Table of Contents
309 relations: A Treatise on the Astrolabe, A-type main-sequence star, Absolute magnitude, Absorption (electromagnetic radiation), Achilles, Aegean Sea, Aitken Double Star Catalogue, Aldebaran, Alfred, Lord Tennyson, Almagest, Alpha Centauri, Alpha Coronae Borealis, Alvan Graham Clark, Am star, An-Najm, Ancient Egypt, Ancient Greece, Ancient Greek, Angular distance, Animal sacrifice, Antares, Apaosha, Apparent magnitude, Apsis, Aratus, Archaic Greece, Arcturus, Ascended master, Asterism (astronomy), Astrolabe, Astrology, Astrometry, Astronomical interferometer, Astronomical spectroscopy, Astronomical unit, Astronomy & Astrophysics, Atmosphere of Earth, Australia, Avesta, Avestan, Avienius, Axial precession, Bayer designation, Behenian fixed star, Bering Strait, Beryl, Beta Aurigae, Beta Crateris, Beta Eridani, Beta Serpentis, ... Expand index (259 more) »
- Astronomical objects known since antiquity
A Treatise on the Astrolabe
A Treatise on the Astrolabe is a medieval instruction manual on the astrolabe by Geoffrey Chaucer.
See Sirius and A Treatise on the Astrolabe
A-type main-sequence star
An A-type main-sequence star (A) or A dwarf star is a main-sequence (hydrogen burning) star of spectral type A and luminosity class (five). Sirius and a-type main-sequence star are a-type main-sequence stars.
See Sirius and A-type main-sequence star
Absolute magnitude
In astronomy, absolute magnitude is a measure of the luminosity of a celestial object on an inverse logarithmic astronomical magnitude scale.
See Sirius and Absolute magnitude
Absorption (electromagnetic radiation)
In physics, absorption of electromagnetic radiation is how matter (typically electrons bound in atoms) takes up a photon's energy — and so transforms electromagnetic energy into internal energy of the absorber (for example, thermal energy).
See Sirius and Absorption (electromagnetic radiation)
Achilles
In Greek mythology, Achilles or Achilleus (Achilleús) was a hero of the Trojan War who was known as being the greatest of all the Greek warriors.
Aegean Sea
The Aegean Sea is an elongated embayment of the Mediterranean Sea between Europe and Asia.
Aitken Double Star Catalogue
The Aitken Double Star Catalogue, or ADS, is a star catalogue of double stars.
See Sirius and Aitken Double Star Catalogue
Aldebaran
Aldebaran (lit) is a star located in the zodiac constellation of Taurus. Sirius and Aldebaran are bright Star Catalogue objects, Gliese and GJ objects, Henry Draper Catalogue objects, Hipparcos objects and TIC objects.
Alfred, Lord Tennyson
Alfred Tennyson, 1st Baron Tennyson (6 August 1809 – 6 October 1892), was an English poet.
See Sirius and Alfred, Lord Tennyson
Almagest
The Almagest is a 2nd-century mathematical and astronomical treatise on the apparent motions of the stars and planetary paths, written by Claudius Ptolemy in Koine Greek.
Alpha Centauri
Alpha Centauri (α Cen, or Alpha Cen) is a triple star system in the southern constellation of Centaurus. Sirius and Alpha Centauri are astronomical objects known since antiquity, bright Star Catalogue objects, Gliese and GJ objects, Henry Draper Catalogue objects and Hipparcos objects.
Alpha Coronae Borealis
Alpha Coronae Borealis (α Coronae Borealis, abbreviated Alpha CrB, α CrB), officially named Alphecca, is an eclipsing binary star in the constellation of Corona Borealis. Sirius and Alpha Coronae Borealis are a-type main-sequence stars, bright Star Catalogue objects, Henry Draper Catalogue objects and Hipparcos objects.
See Sirius and Alpha Coronae Borealis
Alvan Graham Clark
Alvan Graham Clark (July 10, 1832 – June 9, 1897) was an American astronomer and telescope-maker.
See Sirius and Alvan Graham Clark
Am star
An Am star or metallic-line star is a type of chemically peculiar star of spectral type A whose spectrum has strong and often variable absorption lines of metals such as zinc, strontium, zirconium, and barium, and deficiencies of others, such as calcium and scandium. Sirius and am star are am stars.
An-Najm
An-Najm (النجم,; The Star) is the 53rd chapter (surah) of the Quran, with 62 verses (āyāt).
Ancient Egypt
Ancient Egypt was a civilization of ancient Northeast Africa.
Ancient Greece
Ancient Greece (Hellás) was a northeastern Mediterranean civilization, existing from the Greek Dark Ages of the 12th–9th centuries BC to the end of classical antiquity, that comprised a loose collection of culturally and linguistically related city-states and other territories.
Ancient Greek
Ancient Greek (Ἑλληνῐκή) includes the forms of the Greek language used in ancient Greece and the ancient world from around 1500 BC to 300 BC.
Angular distance
Angular distance or angular separation is the measure of the angle between the orientation of two straight lines, rays, or vectors in three-dimensional space, or the central angle subtended by the radii through two points on a sphere.
See Sirius and Angular distance
Animal sacrifice
Animal sacrifice is the ritual killing and offering of one or more animals, usually as part of a religious ritual or to appease or maintain favour with a deity.
See Sirius and Animal sacrifice
Antares
Antares is the brightest star in the constellation of Scorpius. Sirius and Antares are binary stars, bright Star Catalogue objects, Henry Draper Catalogue objects, Hipparcos objects and TIC objects.
Apaosha
Apaosha (Apaoša, Apauša) is the Avestan language name of Zoroastrianism's demon of drought.
Apparent magnitude
Apparent magnitude is a measure of the brightness of a star or other astronomical object.
See Sirius and Apparent magnitude
Apsis
An apsis is the farthest or nearest point in the orbit of a planetary body about its primary body.
See Sirius and Apsis
Aratus
Aratus (Ἄρατος ὁ Σολεύς; c. 315/310 240 BC) was a Greek didactic poet.
Archaic Greece
Archaic Greece was the period in Greek history lasting from to the second Persian invasion of Greece in 480 BC, following the Greek Dark Ages and succeeded by the Classical period.
Arcturus
|- bgcolor. Sirius and Arcturus are bright Star Catalogue objects, Gliese and GJ objects, Henry Draper Catalogue objects, Hipparcos objects and TIC objects.
Ascended master
Ascended masters in a number of movements in the theosophical tradition are held to be spiritually enlightened beings who in past incarnations were ordinary humans, but who have undergone a series of spiritual transformations originally called initiations.
See Sirius and Ascended master
Asterism (astronomy)
An asterism is an observed pattern or group of stars in the sky.
See Sirius and Asterism (astronomy)
Astrolabe
An astrolabe (ἀστρολάβος,; ٱلأَسْطُرلاب; ستارهیاب) is an astronomical instrument dating to ancient times.
Astrology
Astrology is a range of divinatory practices, recognized as pseudoscientific since the 18th century, that propose that information about human affairs and terrestrial events may be discerned by studying the apparent positions of celestial objects.
Astrometry
Astrometry is a branch of astronomy that involves precise measurements of the positions and movements of stars and other celestial bodies.
Astronomical interferometer
An astronomical interferometer or telescope array is a set of separate telescopes, mirror segments, or radio telescope antennas that work together as a single telescope to provide higher resolution images of astronomical objects such as stars, nebulas and galaxies by means of interferometry.
See Sirius and Astronomical interferometer
Astronomical spectroscopy
Astronomical spectroscopy is the study of astronomy using the techniques of spectroscopy to measure the spectrum of electromagnetic radiation, including visible light, ultraviolet, X-ray, infrared and radio waves that radiate from stars and other celestial objects.
See Sirius and Astronomical spectroscopy
Astronomical unit
The astronomical unit (symbol: au, or AU) is a unit of length defined to be exactly equal to.
See Sirius and Astronomical unit
Astronomy & Astrophysics
Astronomy & Astrophysics (A&A) is a monthly peer-reviewed scientific journal covering theoretical, observational, and instrumental astronomy and astrophysics.
See Sirius and Astronomy & Astrophysics
Atmosphere of Earth
The atmosphere of Earth is composed of a layer of gas mixture that surrounds the Earth's planetary surface (both lands and oceans), known collectively as air, with variable quantities of suspended aerosols and particulates (which create weather features such as clouds and hazes), all retained by Earth's gravity.
See Sirius and Atmosphere of Earth
Australia
Australia, officially the Commonwealth of Australia, is a country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands.
Avesta
The Avesta is the primary collection of religious texts of Zoroastrianism from at least the late Sassanid period (ca. 6th century CE).
Avestan
Avestan is an umbrella term for two Old Iranian languages, Old Avestan (spoken in the 2nd to 1st millennium BC) and Younger Avestan (spoken in the 1st millennium BC).
Avienius
Postumius Rufius Festus Avienius (sometimes erroneously Avienus) was a Latin writer of the 4th century AD.
Axial precession
In astronomy, axial precession is a gravity-induced, slow, and continuous change in the orientation of an astronomical body's rotational axis.
See Sirius and Axial precession
Bayer designation
A Bayer designation is a stellar designation in which a specific star is identified by a Greek or Latin letter followed by the genitive form of its parent constellation's Latin name.
See Sirius and Bayer designation
Behenian fixed star
The Behenian fixed stars are a selection of fifteen stars considered especially useful for magical applications in the medieval astrology of Europe and the Arab world.
See Sirius and Behenian fixed star
Bering Strait
The Bering Strait (Beringov proliv) is a strait between the Pacific and Arctic oceans, separating the Chukchi Peninsula of the Russian Far East from the Seward Peninsula of Alaska.
Beryl
Beryl is a mineral composed of beryllium aluminium silicate with the chemical formula Be3Al2Si6O18.
See Sirius and Beryl
Beta Aurigae
Beta Aurigae (Latinized from β Aurigae, abbreviated Beta Aur, β Aur), officially named Menkalinan, is a binary star system in the northern constellation of Auriga. Sirius and Beta Aurigae are am stars, bright Star Catalogue objects, Henry Draper Catalogue objects and Hipparcos objects.
Beta Crateris
Beta Crateris, Latinized from β Crateris, is a binary star system in the southern constellation of Crater. Sirius and Beta Crateris are bright Star Catalogue objects, Henry Draper Catalogue objects and Hipparcos objects.
Beta Eridani
Beta Eridani (β Eridani, abbreviated Beta Eri, β Eri), formally named Cursa, is the second-brightest star in the constellation of Eridanus, located in the northeast end of this constellation near the shared border with Orion. Sirius and Beta Eridani are bright Star Catalogue objects, Gliese and GJ objects, Henry Draper Catalogue objects, Hipparcos objects and TIC objects.
Beta Serpentis
Beta Serpentis, Latinized from β Serpentis, is a binary star system in the constellation Serpens, in its head (Serpens Caput). Sirius and Beta Serpentis are a-type main-sequence stars, binary stars, bright Star Catalogue objects, Henry Draper Catalogue objects and Hipparcos objects.
Betelgeuse
Betelgeuse is a red supergiant star in the constellation of Orion. Sirius and Betelgeuse are bright Star Catalogue objects, Henry Draper Catalogue objects, Hipparcos objects and TIC objects.
Binary star
A binary star or binary star system is a system of two stars that are gravitationally bound to and in orbit around each other. Sirius and binary star are binary stars.
Blackfoot Confederacy
The Blackfoot Confederacy, Niitsitapi, or Siksikaitsitapi (ᖹᐟᒧᐧᒣᑯ, meaning "the people" or "Blackfoot-speaking real people"), is a historic collective name for linguistically related groups that make up the Blackfoot or Blackfeet people: the Siksika ("Blackfoot"), the Kainai or Blood ("Many Chiefs"), and two sections of the Peigan or Piikani ("Splotchy Robe") – the Northern Piikani (Aapátohsipikáni) and the Southern Piikani (Amskapi Piikani or Pikuni).
See Sirius and Blackfoot Confederacy
Boreas (god)
Boreas (Βορέας,; also Βορρᾶς) is the Greek god of the cold north wind, storms, and winter.
Bright Star Catalogue
The Bright Star Catalogue, also known as the Yale Catalogue of Bright Stars, Yale Bright Star Catalogue, or just YBS, is a star catalogue that lists all stars of stellar magnitude 6.5 or brighter, which is roughly every star visible to the naked eye from Earth. Sirius and bright Star Catalogue are bright Star Catalogue objects.
See Sirius and Bright Star Catalogue
Brown dwarf
Brown dwarfs are substellar objects that have more mass than the biggest gas giant planets, but less than the least massive main-sequence stars.
Cairo
Cairo (al-Qāhirah) is the capital of Egypt and the Cairo Governorate, and is the country's largest city, being home to more than 10 million people.
See Sirius and Cairo
Cangin languages
The Cangin languages are spoken by 200,000 people (as of 2007) in a small area east of Dakar, Senegal.
See Sirius and Cangin languages
Canis Major
Canis Major is a constellation in the southern celestial hemisphere.
Canopus
Canopus is the brightest star in the southern constellation of Carina and the second-brightest star in the night sky. Sirius and Canopus are bright Star Catalogue objects, Henry Draper Catalogue objects and Hipparcos objects.
Cape of Good Hope
The Cape of Good Hope (Kaap die Goeie Hoop) is a rocky headland on the Atlantic coast of the Cape Peninsula in South Africa.
See Sirius and Cape of Good Hope
Celestial navigation
Celestial navigation, also known as astronavigation, is the practice of position fixing using stars and other celestial bodies that enables a navigator to accurately determine their actual current physical position in space or on the surface of the Earth without relying solely on estimated positional calculations, commonly known as dead reckoning.
See Sirius and Celestial navigation
Centre de données astronomiques de Strasbourg
The Centre de Données astronomiques de Strasbourg (CDS; English translation: Strasbourg Astronomical Data Centre) is a data centre which collects and distributes astronomical information.
See Sirius and Centre de données astronomiques de Strasbourg
Chandra X-ray Observatory
The Chandra X-ray Observatory (CXO), previously known as the Advanced X-ray Astrophysics Facility (AXAF), is a Flagship-class space telescope launched aboard the during STS-93 by NASA on July 23, 1999.
See Sirius and Chandra X-ray Observatory
Charles Lindbergh
Charles Augustus Lindbergh (February 4, 1902 – August 26, 1974) was an American aviator and military officer.
See Sirius and Charles Lindbergh
Cherokee
The Cherokee (translit, or translit) people are one of the Indigenous peoples of the Southeastern Woodlands of the United States.
Chinese astronomy
Astronomy in China has a long history stretching from the Shang dynasty, being refined over a period of more than 3,000 years.
See Sirius and Chinese astronomy
Christiaan Huygens
Christiaan Huygens, Lord of Zeelhem, (also spelled Huyghens; Hugenius; 14 April 1629 – 8 July 1695) was a Dutch mathematician, physicist, engineer, astronomer, and inventor who is regarded as a key figure in the Scientific Revolution.
See Sirius and Christiaan Huygens
Cicero
Marcus Tullius Cicero (3 January 106 BC – 7 December 43 BC) was a Roman statesman, lawyer, scholar, philosopher, writer and Academic skeptic, who tried to uphold optimate principles during the political crises that led to the establishment of the Roman Empire.
Circumpolar star
A circumpolar star is a star that, as viewed from a given latitude on Earth, never sets below the horizon due to its apparent proximity to one of the celestial poles.
See Sirius and Circumpolar star
CNO cycle
The CNO cycle (for carbon–nitrogen–oxygen; sometimes called Bethe–Weizsäcker cycle after Hans Albrecht Bethe and Carl Friedrich von Weizsäcker) is one of the two known sets of fusion reactions by which stars convert hydrogen to helium, the other being the proton–proton chain reaction (p–p cycle), which is more efficient at the Sun's core temperature.
Constellation
A constellation is an area on the celestial sphere in which a group of visible stars forms a perceived pattern or outline, typically representing an animal, mythological subject, or inanimate object.
Convection zone
A convection zone, convective zone or convective region of a star is a layer which is unstable due to convection.
See Sirius and Convection zone
Cosmic dust
Cosmic dustalso called extraterrestrial dust, space dust, or star dustis dust that occurs in outer space or has fallen onto Earth.
Culmination
In observational astronomy, culmination is the passage of a celestial object (such as the Sun, the Moon, a planet, a star, constellation or a deep-sky object) across the observer's local meridian.
Dante Alighieri
Dante Alighieri (– September 14, 1321), most likely baptized Durante di Alighiero degli Alighieri and widely known and often referred to in English mononymously as Dante, was an Italian poet, writer, and philosopher.
See Sirius and Dante Alighieri
Daylight
Daylight is the combination of all direct and indirect sunlight during the daytime.
Dearborn Observatory
The Dearborn Observatory is an astronomical observatory located on the Evanston campus of Northwestern University.
See Sirius and Dearborn Observatory
Declination
In astronomy, declination (abbreviated dec; symbol δ) is one of the two angles that locate a point on the celestial sphere in the equatorial coordinate system, the other being hour angle.
Dendera
Dendera (دَنْدَرة Dandarah; Τεντυρις or Τεντυρα; Bohairic translit; Sahidic translit), also spelled Denderah, ancient Iunet 𓉺𓈖𓏏𓊖 “jwn.t”, Tentyris,(Arabic: Ewan-t إيوان-ة), or Tentyra is a small town and former bishopric in Egypt situated on the west bank of the Nile, about south of Qena, on the opposite side of the river.
Dendera Temple complex
The Dendera Temple complex (Ancient Egyptian: Iunet or Tantere; the 19th-century English spelling in most sources, including Belzoni, was Tentyra; also spelled Denderah) is located about south-east of Dendera, Egypt.
See Sirius and Dendera Temple complex
Dog
The dog (Canis familiaris or Canis lupus familiaris) is a domesticated descendant of the wolf.
See Sirius and Dog
Dog days
The dog days or are the hot, sultry days of summer. Sirius and dog days are Canis Major.
Dogon people
The Dogon are an ethnic group indigenous to the central plateau region of Mali, in West Africa, south of the Niger bend, near the city of Bandiagara, and in Burkina Faso.
Duat
The Duat (dwꜣt, Egyptological pronunciation "do-aht"), also called Amenthes (translit) or Te (Tē), is the underworld in ancient Egyptian mythology.
See Sirius and Duat
Durchmusterung
In astronomy, Durchmusterung or Bonner Durchmusterung (BD) is an astrometric star catalogue of the whole sky, published by the Bonn Observatory in Germany from 1859 to 1863, with an extension published in Bonn in 1886.
Earth
Earth is the third planet from the Sun and the only astronomical object known to harbor life. Sirius and Earth are astronomical objects known since antiquity.
See Sirius and Earth
Ecliptic
The ecliptic or ecliptic plane is the orbital plane of Earth around the Sun.
Edmond Halley
Edmond (or Edmund) Halley (–) was an English astronomer, mathematician and physicist.
Ejnar Hertzsprung
Ejnar Hertzsprung (8 October 1873 – 21 October 1967) was a Danish chemist and astronomer.
See Sirius and Ejnar Hertzsprung
Energy (esotericism)
Proponents and practitioners of various esoteric forms of spirituality and alternative medicine refer to a variety of claimed experiences and phenomena as being due to "energy" or "force" that defy measurement or experimentation, and thus are distinguished from the scientific form of energy.
See Sirius and Energy (esotericism)
Epoch (astronomy)
In astronomy, an epoch or reference epoch is a moment in time used as a reference point for some time-varying astronomical quantity.
See Sirius and Epoch (astronomy)
Eta Carinae
Eta Carinae (η Carinae, abbreviated to η Car), formerly known as Eta Argus, is a stellar system containing at least two stars with a combined luminosity greater than five million times that of the Sun, located around distant in the constellation Carina. Sirius and Eta Carinae are binary stars, bright Star Catalogue objects and Henry Draper Catalogue objects.
Ethnicity
An ethnicity or ethnic group is a group of people who identify with each other on the basis of perceived shared attributes that distinguish them from other groups.
Fasti (poem)
The Fasti (Fāstī, "the Calendar"), sometimes translated as The Book of Days or On the Roman Calendar, is a six-book Latin poem written by the Roman poet Ovid and published in AD 8.
Ferdowsi
Abul-Qâsem Ferdowsi Tusi (ابوالقاسمفردوسی توسی; 940 – 1019/1025), also Firdawsi or Ferdowsi (فردوسی), was a Persian poet and the author of Shahnameh ("Book of Kings"), which is one of the world's longest epic poems created by a single poet, and the greatest epic of Persian-speaking countries.
Fiji
Fiji (Viti,; Fiji Hindi: फ़िजी, Fijī), officially the Republic of Fiji, is an island country in Melanesia, part of Oceania in the South Pacific Ocean.
See Sirius and Fiji
First Fleet
The First Fleet was a fleet of 11 British ships that took the first British colonists and convicts to Australia.
Fixed stars
In astronomy, the fixed stars (stellae fixae) are the luminary points, mainly stars, that appear not to move relative to one another against the darkness of the night sky in the background.
Flag of Brazil
The national flag of Brazil (bandeira do Brasil), is a blue disc depicting a starry sky (which includes the Southern Cross) spanned by a curved band inscribed with the national motto "Ordem e Progresso" ("Order and Progress"), within a yellow rhombus, on a green field.
Flagship
A flagship is a vessel used by the commanding officer of a group of naval ships, characteristically a flag officer entitled by custom to fly a distinguishing flag.
Flamsteed designation
A Flamsteed designation is a combination of a number and constellation name that uniquely identifies most naked eye stars in the modern constellations visible from southern England.
See Sirius and Flamsteed designation
Flooding of the Nile
The flooding of the Nile has been an important natural cycle in Nubia and Egypt since ancient times.
See Sirius and Flooding of the Nile
Friedrich Wilhelm Bessel
Friedrich Wilhelm Bessel (22 July 1784 – 17 March 1846) was a German astronomer, mathematician, physicist, and geodesist.
See Sirius and Friedrich Wilhelm Bessel
Gaia (spacecraft)
Gaia is a space observatory of the European Space Agency (ESA), launched in 2013 and expected to operate until 2025.
See Sirius and Gaia (spacecraft)
Gaia catalogues
The Gaia catalogues are star catalogues created using the results obtained by Gaia space telescope.
See Sirius and Gaia catalogues
Geoffrey Chaucer
Geoffrey Chaucer (– 25 October 1400) was an English poet, author, and civil servant best known for The Canterbury Tales.
See Sirius and Geoffrey Chaucer
Germanicus
Germanicus Julius Caesar (24 May 15 BC – 10 October AD 19) was an ancient Roman general and politician most famously known for his campaigns in Germania.
Giant planet
A giant planet, sometimes referred to as a jovian planet (Jove being another name for the Roman god Jupiter), is a diverse type of planet much larger than Earth.
Giuseppe Piazzi
Giuseppe Piazzi (16 July 1746 – 22 July 1826) was an Italian Catholic priest of the Theatine order, mathematician, and astronomer.
See Sirius and Giuseppe Piazzi
Gliese Catalogue of Nearby Stars
The Gliese Catalogue of Nearby Stars (English) is a star catalogue listing stars located within 25 parsecs (82 ly) of the Sun.
See Sirius and Gliese Catalogue of Nearby Stars
Great refractor
Great refractor refers to a large telescope with a lens, usually the largest refractor at an observatory with an equatorial mount.
See Sirius and Great refractor
Gregorian calendar
The Gregorian calendar is the calendar used in most parts of the world.
See Sirius and Gregorian calendar
Gregory of Tours
Gregory of Tours (born italic; 30 November – 17 November 594 AD) was a Gallo-Roman historian and Bishop of Tours during the Merovingian period and is known as the "father of French history".
See Sirius and Gregory of Tours
Hathor
Hathor (lit, Ἁθώρ, ϩⲁⲑⲱⲣ, Meroitic) was a major goddess in ancient Egyptian religion who played a wide variety of roles.
Hawaii
Hawaii (Hawaii) is an island state of the United States, in the Pacific Ocean about southwest of the U.S. mainland.
Heinrich Cornelius Agrippa
Heinrich Cornelius Agrippa von Nettesheim (14 September 1486 – 18 February 1535) was a German Renaissance polymath, physician, legal scholar, soldier, knight, theologian, and occult writer.
See Sirius and Heinrich Cornelius Agrippa
Heliacal rising
The heliacal rising of a star or a planet occurs annually when it first becomes visible above the eastern horizon at dawn just before sunrise (thus becoming "the morning star") after a complete orbit of the Earth around the Sun.
See Sirius and Heliacal rising
Henry Draper Catalogue
The Henry Draper Catalogue (HD) is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension (HDE), published between 1925 and 1936, which gave classifications for 46,850 more stars, and by the Henry Draper Extension Charts (HDEC), published from 1937 to 1949 in the form of charts, which gave classifications for 86,933 more stars. Sirius and Henry Draper Catalogue are Henry Draper Catalogue objects.
See Sirius and Henry Draper Catalogue
Hesiod
Hesiod (or; Ἡσίοδος Hēsíodos) was an ancient Greek poet generally thought to have been active between 750 and 650 BC, around the same time as Homer.
Hipparcos
Hipparcos was a scientific satellite of the European Space Agency (ESA), launched in 1989 and operated until 1993.
Historical brightest stars
The Solar System and all of the visible stars are in different orbits about the core of the Milky Way galaxy.
See Sirius and Historical brightest stars
HMS Sirius (1786)
HMS Sirius was the flagship of the First Fleet, which set out from Portsmouth, England, in 1787 to establish the first European colony in New South Wales, Australia.
See Sirius and HMS Sirius (1786)
Homer
Homer (Ὅμηρος,; born) was a Greek poet who is credited as the author of the Iliad and the Odyssey, two epic poems that are foundational works of ancient Greek literature.
See Sirius and Homer
Horus
Horus, also known as Hor, in Ancient Egyptian, is one of the most significant ancient Egyptian deities who served many functions, most notably as the god of kingship, healing, protection, the sun, and the sky.
See Sirius and Horus
Hubble Space Telescope
The Hubble Space Telescope (often referred to as HST or Hubble) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation.
See Sirius and Hubble Space Telescope
Hyades (star cluster)
The Hyades (Greek Ὑάδες, also known as Caldwell 41, Collinder 50, or Melotte 25) is the nearest open cluster and one of the best-studied star clusters.
See Sirius and Hyades (star cluster)
IAU Working Group on Star Names
The International Astronomical Union (IAU) established a Working Group on Star Names (WGSN) in May 2016 to catalog and standardize proper names for stars for the international astronomical community.
See Sirius and IAU Working Group on Star Names
Ibn Kathir
Abu al-Fida Isma'il ibn Umar ibn Kathir al-Dimashqi (translit), known simply as Ibn Kathir, was an Arab Islamic exegete, historian and scholar.
Iliad
The Iliad (Iliás,; " about Ilion (Troy)") is one of two major ancient Greek epic poems attributed to Homer.
See Sirius and Iliad
Infrared excess
An infrared excess is a measurement of an astronomical source, typically a star, that in their spectral energy distribution has a greater measured infrared flux than expected by assuming the star is a blackbody radiator.
See Sirius and Infrared excess
Intensity interferometer
An intensity interferometer is the name given to devices that use the Hanbury Brown and Twiss effect.
See Sirius and Intensity interferometer
International Astronomical Union
The International Astronomical Union (IAU; Union astronomique internationale, UAI) is an international non-governmental organization (INGO) with the objective of advancing astronomy in all aspects, including promoting astronomical research, outreach, education, and development through global cooperation.
See Sirius and International Astronomical Union
International Celestial Reference System and its realizations
The International Celestial Reference System (ICRS) is the current standard celestial reference system adopted by the International Astronomical Union (IAU).
See Sirius and International Celestial Reference System and its realizations
Interstellar medium
The interstellar medium (ISM) is the matter and radiation that exists in the space between the star systems in a galaxy.
See Sirius and Interstellar medium
Inuit
Inuit (ᐃᓄᐃᑦ 'the people', singular: Inuk, ᐃᓄᒃ, dual: Inuuk, ᐃᓅᒃ; Iñupiaq: Iñuit 'the people'; Greenlandic: Inuit) are a group of culturally and historically similar Indigenous peoples traditionally inhabiting the Arctic and subarctic regions of North America, including Greenland, Labrador, Quebec, Nunavut, the Northwest Territories, Yukon (traditionally), Alaska, and Chukotsky District of Chukotka Autonomous Okrug, Russia.
See Sirius and Inuit
Iran
Iran, officially the Islamic Republic of Iran (IRI), also known as Persia, is a country in West Asia. It borders Turkey to the northwest and Iraq to the west, Azerbaijan, Armenia, the Caspian Sea, and Turkmenistan to the north, Afghanistan to the east, Pakistan to the southeast, the Gulf of Oman and the Persian Gulf to the south.
See Sirius and Iran
IRAS
The Infrared Astronomical Satellite (Dutch: Infrarood Astronomische Satelliet) (IRAS) was the first space telescope to perform a survey of the entire night sky at infrared wavelengths.
See Sirius and IRAS
Isis
Isis was a major goddess in ancient Egyptian religion whose worship spread throughout the Greco-Roman world.
See Sirius and Isis
Jacques Cassini
Jacques Cassini (18 February 1677 – 16 April 1756) was a French astronomer, son of the famous Italian astronomer Giovanni Domenico Cassini.
See Sirius and Jacques Cassini
Jodrell Bank Observatory
Jodrell Bank Observatory in Cheshire, England hosts a number of radio telescopes as part of the Jodrell Bank Centre for Astrophysics at the University of Manchester.
See Sirius and Jodrell Bank Observatory
Johann Bayer
Johann Bayer (1572 – 7 March 1625) was a German lawyer and uranographer (celestial cartographer).
John Herschel
Sir John Frederick William Herschel, 1st Baronet (7 March 1792 – 11 May 1871) was an English polymath active as a mathematician, astronomer, chemist, inventor and experimental photographer who invented the blueprint and did botanical work.
John Milton
John Milton (9 December 1608 – 8 November 1674) was an English poet, polemicist, and civil servant.
Julian calendar
The Julian calendar is a solar calendar of 365 days in every year with an additional leap day every fourth year (without exception).
See Sirius and Julian calendar
Juniper
Junipers are coniferous trees and shrubs in the genus Juniperus of the cypress family Cupressaceae.
Jupiter
Jupiter is the fifth planet from the Sun and the largest in the Solar System. Sirius and Jupiter are astronomical objects known since antiquity.
Karlheinz Stockhausen
Karlheinz Stockhausen (22 August 1928 – 5 December 2007) was a German composer, widely acknowledged by critics as one of the most important but also controversial composers of the 20th and early 21st centuries.
See Sirius and Karlheinz Stockhausen
Kea (island)
Kea (Κέα), also known as Tzia (Τζιά) and in antiquity Keos (Κέως, Ceos), is a Greek island in the Cyclades archipelago in the Aegean Sea.
Kelvin
The kelvin, symbol K, is the base unit of measurement for temperature in the International System of Units (SI).
Kiel
Kiel is the capital and most populous city in the northern German state of Schleswig-Holstein, with a population of 246,243 (2021).
See Sirius and Kiel
Latinisation of names
Latinisation (or Latinization) of names, also known as onomastic Latinisation, is the practice of rendering a non-Latin name in a modern Latin style.
See Sirius and Latinisation of names
Light-year
A light-year, alternatively spelled light year (ly or lyr), is a unit of length used to express astronomical distances and is equal to exactly 9,460,730,472,580.8 km (Scientific notation: 9.4607304725808 × 1012 km), which is approximately 5.88 trillion mi.
List of brightest stars
This is a list of stars arranged by their apparent magnitude – their brightness as observed from Earth.
See Sirius and List of brightest stars
List of nearest stars
This list covers all known stars, white dwarfs, brown dwarfs, and sub-brown dwarfs within of the Sun.
See Sirius and List of nearest stars
List of northernmost settlements
The most northern settlements on Earth are communities close to the North Pole, ranging from about 70° N to about 89° N. This is a list showing all of the northernmost settlements on Earth, which are all south of latitude 90° N. There are no permanent civilian settlements north of 79° N, the furthest north (78.55° N) being Ny-Ålesund, a permanent settlement of about 30 (in the winter) to 130 (in the summer) people on the Norwegian island of Svalbard.
See Sirius and List of northernmost settlements
List of stars in Canis Major
This is the list of notable stars in the constellation Canis Major, sorted by decreasing brightness. Sirius and list of stars in Canis Major are Canis Major.
See Sirius and List of stars in Canis Major
Lockheed Model 8 Sirius
The Lockheed Model 8 Sirius was a single-engined, propeller-driven monoplane designed and built by Jack Northrop and Gerard Vultee while they were engineers at Lockheed in 1929, at the request of Charles Lindbergh.
See Sirius and Lockheed Model 8 Sirius
Lombardy
Lombardy (Lombardia; Lombardia) is an administrative region of Italy that covers; it is located in northern Italy and has a population of about 10 million people, constituting more than one-sixth of Italy's population.
Luminosity
Luminosity is an absolute measure of radiated electromagnetic energy (light) per unit time, and is synonymous with the radiant power emitted by a light-emitting object.
Lyndon, Rutland
Lyndon is a small village in the county of Rutland in the East Midlands of England.
See Sirius and Lyndon, Rutland
Macquarie University
Macquarie University is a public research university located in Sydney, New South Wales, Australia.
See Sirius and Macquarie University
Magnetic field
A magnetic field (sometimes called B-field) is a physical field that describes the magnetic influence on moving electric charges, electric currents, and magnetic materials.
Main sequence
In astronomy, the main sequence is a classification of stars which appear on plots of stellar color versus brightness as a continuous and distinctive band.
Malayalam
Malayalam is a Dravidian language spoken in the Indian state of Kerala and the union territories of Lakshadweep and Puducherry (Mahé district) by the Malayali people.
Mali
Mali, officially the Republic of Mali, is a landlocked country in West Africa.
See Sirius and Mali
Marcel Griaule
Marcel Griaule (16 May 1898 – 23 February 1956) was a French author and anthropologist known for his studies of the Dogon people of West Africa, and for pioneering ethnographic field studies in France.
Marcus Manilius
Marcus Manilius originally hailing from Syria, was a Roman poet, astrologer, and author of a poem in five books called Astronomica.
See Sirius and Marcus Manilius
Marquesas Islands
The Marquesas Islands (Îles Marquises or Archipel des Marquises or Marquises; Marquesan: Te HenuaEnana (North Marquesan) and Te FenuaEnata (South Marquesan), both meaning "the land of men") are a group of volcanic islands in French Polynesia, an overseas collectivity of France in the southern Pacific Ocean.
See Sirius and Marquesas Islands
Mars
Mars is the fourth planet from the Sun. Sirius and Mars are astronomical objects known since antiquity.
See Sirius and Mars
Mato Grosso
Mato Grosso (–) is one of the states of Brazil, the third largest by area, located in the Central-West region.
Mauritania
Mauritania, officially the Islamic Republic of Mauritania, is a sovereign country in Northwest Africa. It is bordered by the Atlantic Ocean to the west, Western Sahara to the north and northwest, Algeria to the northeast, Mali to the east and southeast, and Senegal to the southwest. By land area Mauritania is the 11th-largest country in Africa and 28th-largest in the world; 90% of its territory is in the Sahara.
Māori people
Māori are the indigenous Polynesian people of mainland New Zealand (Aotearoa).
Mercury (planet)
Mercury is the first planet from the Sun and the smallest in the Solar System. Sirius and Mercury (planet) are astronomical objects known since antiquity.
See Sirius and Mercury (planet)
Metallicity
In astronomy, metallicity is the abundance of elements present in an object that are heavier than hydrogen and helium.
Middle Ages
In the history of Europe, the Middle Ages or medieval period (also spelt mediaeval or mediæval) lasted from approximately 500 to 1500 AD.
Middle Persian
Middle Persian, also known by its endonym Pārsīk or Pārsīg (Pahlavi script: 𐭯𐭠𐭫𐭮𐭩𐭪, Manichaean script: 𐫛𐫀𐫡𐫘𐫏𐫐, Avestan script: 𐬞𐬀𐬭𐬯𐬍𐬐) in its later form, is a Western Middle Iranian language which became the literary language of the Sasanian Empire.
Minute and second of arc
A minute of arc, arcminute (arcmin), arc minute, or minute arc, denoted by the symbol, is a unit of angular measurement equal to of one degree.
See Sirius and Minute and second of arc
Mitsubishi Motors
is a Japanese multinational automobile manufacturer headquartered in Minato, Tokyo, Japan.
See Sirius and Mitsubishi Motors
Mitsubishi Sirius engine
The Mitsubishi Sirius or 4G6/4D6 engine is the name of one of Mitsubishi Motors' four series of inline-four automobile engines, along with Astron, Orion, and Saturn.
See Sirius and Mitsubishi Sirius engine
Molecular cloud
A molecular cloud, sometimes called a stellar nursery (if star formation is occurring within), is a type of interstellar cloud, the density and size of which permit absorption nebulae, the formation of molecules (most commonly molecular hydrogen, H2), and the formation of H II regions.
See Sirius and Molecular cloud
Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society (MNRAS) is a peer-reviewed scientific journal in astronomy, astrophysics and related fields.
See Sirius and Monthly Notices of the Royal Astronomical Society
Mount Wilson Observatory
The Mount Wilson Observatory (MWO) is an astronomical observatory in Los Angeles County, California, United States.
See Sirius and Mount Wilson Observatory
National Air and Space Museum
The National Air and Space Museum (NASM) of the Smithsonian Institution, is a museum in Washington, D.C., in the United States, dedicated to human flight and space exploration.
See Sirius and National Air and Space Museum
Nevil Maskelyne
Nevil Maskelyne (6 October 1732 – 9 February 1811) was the fifth British Astronomer Royal.
See Sirius and Nevil Maskelyne
New Persian
New Persian (translit), also known as Modern Persian (فارسی نوین) is the current stage of the Persian language spoken since the 8th to 9th centuries until now in Greater Iran and surroundings.
Nicolas-Louis de Lacaille
Abbé Nicolas-Louis de Lacaille (15 March 171321 March 1762), formerly sometimes spelled de la Caille, was a French astronomer and geodesist who named 14 out of the 88 constellations.
See Sirius and Nicolas-Louis de Lacaille
Night sky
The night sky is the nighttime appearance of celestial objects like stars, planets, and the Moon, which are visible in a clear sky between sunset and sunrise, when the Sun is below the horizon.
Nile
The Nile (also known as the Nile River) is a major north-flowing river in northeastern Africa.
See Sirius and Nile
Noah Brosch
Noah Brosch (born 1948) is an Israeli astronomer, astrophysicist and space researcher.
North America
North America is a continent in the Northern and Western Hemispheres.
Northern Hemisphere
The Northern Hemisphere is the half of Earth that is north of the Equator.
See Sirius and Northern Hemisphere
Nova
A nova (novae or novas) is a transient astronomical event that causes the sudden appearance of a bright, apparently "new" star (hence the name "nova", Latin for "new") that slowly fades over weeks or months.
See Sirius and Nova
Opora (mythology)
In ancient Greek mythology and religion, Opora (autumn, fruit) is a minor goddess connected to fruit, the harvest, especially wine harvest, and the season of autumn.
See Sirius and Opora (mythology)
Orion (constellation)
Orion is a prominent set of stars visible during winter in the northern celestial hemisphere.
See Sirius and Orion (constellation)
Orion (mythology)
In Greek mythology, Orion (Ancient Greek: Ὠρίων or Ὠαρίων; Latin: Orion) was a giant huntsman whom Zeus (or perhaps Artemis) placed among the stars as the constellation of Orion.
See Sirius and Orion (mythology)
Osiris
Osiris (from Egyptian wsjr) is the god of fertility, agriculture, the afterlife, the dead, resurrection, life, and vegetation in ancient Egyptian religion. He was classically depicted as a green-skinned deity with a pharaoh's beard, partially mummy-wrapped at the legs, wearing a distinctive atef crown, and holding a symbolic crook and flail.
Ovid
Publius Ovidius Naso (20 March 43 BC – AD 17/18), known in English as Ovid, was a Roman poet who lived during the reign of Augustus.
See Sirius and Ovid
Paris
Paris is the capital and largest city of France.
See Sirius and Paris
Pawnee people
The Pawnee are a Central Plains Indian tribe that historically lived in Nebraska and northern Kansas but today are based in Oklahoma.
Persian literature
Persian literature comprises oral compositions and written texts in the Persian language and is one of the world's oldest literatures.
See Sirius and Persian literature
Persian mythology
Iranian mythology, or Persian mythology in western term (اسطورهشناسی ایرانی), is the body of the myths originally told by ancient Persians and other Iranian peoples and a genre of ancient Persian folklore.
See Sirius and Persian mythology
Philosophical Transactions of the Royal Society
Philosophical Transactions of the Royal Society is a scientific journal published by the Royal Society.
See Sirius and Philosophical Transactions of the Royal Society
Pinyin
Hanyu Pinyin, or simply pinyin, is the most common romanization system for Standard Chinese.
Pleiades
The Pleiades, also known as the Seven Sisters and Messier 45, reflects an observed pattern formed by those stars, in an asterism of an open star cluster containing middle-aged, hot B-type stars in the northwest of the constellation Taurus. Sirius and Pleiades are astronomical objects known since antiquity.
Pleiades in folklore and literature
The high visibility of the star cluster Pleiades in the night sky and its position along the ecliptic (which approximates to the Solar System's common planetary plane) has given it importance in many cultures, ancient and modern.
See Sirius and Pleiades in folklore and literature
Plutarch
Plutarch (Πλούταρχος, Ploútarchos;; – after AD 119) was a Greek Middle Platonist philosopher, historian, biographer, essayist, and priest at the Temple of Apollo in Delphi.
Pollux (star)
Pollux is the brightest star in the constellation of Gemini. Sirius and Pollux (star) are bright Star Catalogue objects, Gliese and GJ objects, Henry Draper Catalogue objects and Hipparcos objects.
Polynesians
Polynesians are an ethnolinguistic group comprising closely related ethnic groups native to Polynesia, which encompasses the islands within the Polynesian Triangle in the Pacific Ocean.
Procyon
Procyon is the brightest star in the constellation of Canis Minor and usually the eighth-brightest star in the night sky, with an apparent visual magnitude of 0.34. Sirius and Procyon are astronomical objects known since antiquity, binary stars, bright Star Catalogue objects, Gliese and GJ objects, Henry Draper Catalogue objects, Hipparcos objects, TIC objects and white dwarfs.
Proper motion
Proper motion is the astrometric measure of the observed changes in the apparent places of stars or other celestial objects in the sky, as seen from the center of mass of the Solar System, compared to the abstract background of the more distant stars.
Ptolemy
Claudius Ptolemy (Πτολεμαῖος,; Claudius Ptolemaeus; AD) was an Alexandrian mathematician, astronomer, astrologer, geographer, and music theorist who wrote about a dozen scientific treatises, three of which were important to later Byzantine, Islamic, and Western European science.
Puppis
Puppis (meaning "poop deck") is a constellation in the southern sky.
Quran
The Quran, also romanized Qur'an or Koran, is the central religious text of Islam, believed by Muslims to be a revelation directly from God (Allah).
See Sirius and Quran
Radial velocity
The radial velocity or line-of-sight velocity of a target with respect to an observer is the rate of change of the vector displacement between the two points.
See Sirius and Radial velocity
Realencyclopädie der classischen Altertumswissenschaft
The Realencyclopädie (German for "Practical Encyclopedia"; RE) is a series of German encyclopedias on Greco-Roman topics and scholarship.
See Sirius and Realencyclopädie der classischen Altertumswissenschaft
Red dwarf
A red dwarf is the smallest kind of star on the main sequence.
Red giant
A red giant is a luminous giant star of low or intermediate mass (roughly 0.3–8 solar masses) in a late phase of stellar evolution.
Redshift
In physics, a redshift is an increase in the wavelength, and corresponding decrease in the frequency and photon energy, of electromagnetic radiation (such as light).
Religious text
Religious texts, including scripture, are texts which various religions consider to be of central importance to their religious tradition.
ResearchGate
ResearchGate is a European commercial social networking site for scientists and researchers to share papers, ask and answer questions, and find collaborators.
Richard Q. Twiss
Richard Quintin Twiss (24 August 1920 – 20 May 2005) was a British astronomer.
See Sirius and Richard Q. Twiss
Rigel
Rigel is a blue supergiant star in the constellation of Orion. Sirius and Rigel are Henry Draper Catalogue objects and Hipparcos objects.
See Sirius and Rigel
Robert Hanbury Brown
Robert Hanbury Brown, AC FRS (31 August 1916 – 16 January 2002) was a British astronomer and physicist born in Aruvankadu, India.
See Sirius and Robert Hanbury Brown
Robigalia
The Robigalia was a festival in ancient Roman religion held April 25, named for the god Robigus.
Romanization of Japanese
The romanization of Japanese is the use of Latin script to write the Japanese language.
See Sirius and Romanization of Japanese
Royal Astronomical Society
The Royal Astronomical Society (RAS) is a learned society and charity that encourages and promotes the study of astronomy, solar-system science, geophysics and closely related branches of science.
See Sirius and Royal Astronomical Society
Royal Australian Navy
The Royal Australian Navy (RAN) is the naval force of the Australian Defence Force (ADF).
See Sirius and Royal Australian Navy
Royal Navy
The Royal Navy (RN) is the naval warfare force of the United Kingdom, British Overseas Territories and Crown Dependencies, and a component of His Majesty's Naval Service.
Royal Society
The Royal Society, formally The Royal Society of London for Improving Natural Knowledge, is a learned society and the United Kingdom's national academy of sciences.
Rudra
Rudra (रुद्र) is a Rigvedic deity associated with Shiva, the wind or storms, Vayu, medicine, and the hunt.
See Sirius and Rudra
Rust (fungus)
Rusts are fungal plant pathogens of the order Pucciniales (previously known as Uredinales) causing plant fungal diseases.
Rutland
Rutland, sometimes archaically called Rutlandshire, is a ceremonial county in the East Midlands of England.
Sah (god)
Sah (''sꜣḥ'') was a god in Ancient Egyptian religion, representing a constellation that encompassed the stars in Orion and Lepus, as well as stars found in some neighbouring modern constellations.
Saint Petersburg
Saint Petersburg, formerly known as Petrograd and later Leningrad, is the second-largest city in Russia after Moscow.
See Sirius and Saint Petersburg
Saltigue
The Saltigue (other spelling: Saltigué, Saltigui or Saltigi in Serer), are Serer high priests and priestesses who preside over the religious ceremonies and affairs of the Serer people, such as the Xooy (or Xoy) ceremony, the biggest event in the Serer religious calendar.
Sanskrit
Sanskrit (attributively संस्कृत-,; nominally संस्कृतम्) is a classical language belonging to the Indo-Aryan branch of the Indo-European languages.
Satellite radio
Satellite radio is defined by the International Telecommunication Union (ITU)'s ITU Radio Regulations (RR) as a broadcasting-satellite service.
See Sirius and Satellite radio
Satis (goddess)
Satet, Satit or Satjet, Satjit in Ancient Egyptian (Sṯt or Sṯı͗t,."Pourer" or "Shooter"), Greek: Satis, also known by numerous related names, was an Upper Egyptian goddess who, along with Khnum and Anuket, formed part of the Elephantine Triad.
See Sirius and Satis (goddess)
Scandinavia
Scandinavia is a subregion of Northern Europe, with strong historical, cultural, and linguistic ties between its constituent peoples.
Scattering
In physics, scattering is a wide range of physical processes where moving particles or radiation of some form, such as light or sound, are forced to deviate from a straight trajectory by localized non-uniformities (including particles and radiation) in the medium through which they pass.
Seneca the Younger
Lucius Annaeus Seneca the Younger (AD 65), usually known mononymously as Seneca, was a Stoic philosopher of Ancient Rome, a statesman, dramatist, and in one work, satirist, from the post-Augustan age of Latin literature.
See Sirius and Seneca the Younger
Senegal
Senegal, officially the Republic of Senegal, is the westernmost country in West Africa, situated on the Atlantic Ocean coastline. Senegal is bordered by Mauritania to the north, Mali to the east, Guinea to the southeast and Guinea-Bissau to the southwest. Senegal nearly surrounds The Gambia, a country occupying a narrow sliver of land along the banks of the Gambia River, which separates Senegal's southern region of Casamance from the rest of the country.
Serer language
Serer, often broken into differing regional dialects such as Serer-Sine and Serer saloum, is a language of the Senegambian branch of the Niger–Congo family spoken by 1.2 million people in Senegal and 30,000 in the Gambia as of 2009.
Serer people
The Serer people are a West African ethnoreligious group.
Serer religion
The Serer religion, or a ƭat Roog ("the way of the Divine"), is the original religious beliefs, practices, and teachings of the Serer people of Senegal in West Africa.
Seri people
The Seri or Comcaac people are an Indigenous group of the Mexican state of Sonora.
Shahnameh
The Shahnameh (lit), also transliterated Shahnama, is a long epic poem written by the Persian poet Ferdowsi between and 1010 CE and is the national epic of Greater Iran.
Shiva
Shiva (lit), also known as Mahadeva (Category:Trimurti Category:Wisdom gods Category:Time and fate gods Category:Indian yogis.
See Sirius and Shiva
Sidereal time
Sidereal time ("sidereal" pronounced) is a system of timekeeping used especially by astronomers.
Sirius (mythology)
In Greek and Roman mythology, Sirius is the god and personification of the star Sirius, the brightest star in the night sky, also known as the Dog Star, the most prominent star in the constellation Canis Major (the Greater Dog). Sirius and Sirius (mythology) are Canis Major.
See Sirius and Sirius (mythology)
Sirius Satellite Radio
Sirius Satellite Radio was a satellite radio (SDARS) and online radio service operating in North America, owned by Sirius XM Holdings.
See Sirius and Sirius Satellite Radio
Solar luminosity
The solar luminosity is a unit of radiant flux (power emitted in the form of photons) conventionally used by astronomers to measure the luminosity of stars, galaxies and other celestial objects in terms of the output of the Sun.
See Sirius and Solar luminosity
Solar System
The Solar SystemCapitalization of the name varies.
Sopdet
Sopdet is the ancient Egyptian name of the star Sirius and its personification as an Egyptian goddess.
Sopdu
Sopdu (also rendered Septu or Sopedu) was a god of the sky and of eastern border regions in the religion of Ancient Egypt.
See Sirius and Sopdu
Southern Hemisphere
The Southern Hemisphere is the half (hemisphere) of Earth that is south of the Equator.
See Sirius and Southern Hemisphere
Spectral line
A spectral line is a weaker or stronger region in an otherwise uniform and continuous spectrum.
Stanley Lombardo
Stanley F. "Stan" Lombardo (alias Hae Kwang; born June 19, 1943) is an American Classicist, and former professor of Classics at the University of Kansas.
See Sirius and Stanley Lombardo
Star
A star is a luminous spheroid of plasma held together by self-gravity.
See Sirius and Star
Star catalogue
A star catalogue is an astronomical catalogue that lists stars.
Star Names
Star Names: Their Lore and Meaning is an 1899 book by Richard Hinckley Allen that discusses the names of stars, constellations, and their histories.
Stellar classification
In astronomy, stellar classification is the classification of stars based on their spectral characteristics.
See Sirius and Stellar classification
Stellar evolution
Stellar evolution is the process by which a star changes over the course of its lifetime and how it can lead to the creation of a new star.
See Sirius and Stellar evolution
Stellar parallax
Stellar parallax is the apparent shift of position (parallax) of any nearby star (or other object) against the background of distant stars.
See Sirius and Stellar parallax
Stellar rotation
Stellar rotation is the angular motion of a star about its axis.
See Sirius and Stellar rotation
Sun
The Sun is the star at the center of the Solar System. Sirius and Sun are astronomical objects known since antiquity.
See Sirius and Sun
Sunrise
Sunrise (or sunup) is the moment when the upper rim of the Sun appears on the horizon in the morning.
Sunset
Sunset (or sundown) is the disappearance of the Sun below the horizon of the Earth (or any other astronomical object in the Solar System) due to its rotation.
Surah
A surah (translit; label) is an Arabic word meaning 'chapter' in the Quran.
See Sirius and Surah
Syncretism
Syncretism is the practice of combining different beliefs and various schools of thought.
Telesterion
The Telesterion ("Initiation Hall" from Gr. τελείω, "to complete, to fulfill, to consecrate, to initiate") was a great hall and sanctuary in Eleusis, one of the primary centers of the Eleusinian Mysteries.
The Astrophysical Journal
The Astrophysical Journal (ApJ) is a peer-reviewed scientific journal of astrophysics and astronomy, established in 1895 by American astronomers George Ellery Hale and James Edward Keeler.
See Sirius and The Astrophysical Journal
The Gambia
The Gambia, officially the Republic of The Gambia, is a country in West Africa.
The Princess (Tennyson poem)
The Princess is a serio-comic blank verse narrative poem, written by Alfred Tennyson, published in 1847.
See Sirius and The Princess (Tennyson poem)
Theosophy
Theosophy is a religious and philosophical system established in the United States in the late 19th century.
Thomas Barker (meteorologist)
Thomas Barker (1722 – 29 December 1809) was a Rutland squire who kept a detailed weather record at Lyndon Hall from 1736 to 1798.
See Sirius and Thomas Barker (meteorologist)
Thomas Henderson (astronomer)
Thomas Henderson FRSE FRS FRAS (28 December 1798 – 23 November 1844) was a Scottish astronomer and mathematician noted for being the first person to measure the distance to Alpha Centauri, the major component of the nearest stellar system to Earth, the first to determine the parallax of a fixed star, and for being the first Astronomer Royal for Scotland.
See Sirius and Thomas Henderson (astronomer)
Thomas Jefferson Jackson See
Thomas Jefferson Jackson (T. J. J.) See (February 19, 1866 – July 4, 1962) was an American astronomer whose promulgated theories in astronomy and physics were eventually disproven.
See Sirius and Thomas Jefferson Jackson See
Thomas Maclear
Sir Thomas Maclear (17 March 1794 – 14 July 1879) was an Irish-born Cape Colony astronomer who became Her Majesty's astronomer at the Cape of Good Hope.
Tishtrya
Tishtrya (Tištrya, Tir) is the Avestan name of a Zoroastrian benevolent divinity associated with life-bringing rainfall and fertility.
Tohono Oʼodham
The Tohono Oʼodham (Oʼodham) are a Native American people of the Sonoran Desert, residing primarily in the U.S. state of Arizona and the northern Mexican state of Sonora.
Tropical year
A tropical year or solar year (or tropical period) is the time that the Sun takes to return to the same position in the sky – as viewed from the Earth or another celestial body of the Solar System – thus completing a full cycle of astronomical seasons.
Troy
Troy (translit; Trōia; 𒆳𒌷𒋫𒊒𒄿𒊭|translit.
See Sirius and Troy
Turbulence
In fluid dynamics, turbulence or turbulent flow is fluid motion characterized by chaotic changes in pressure and flow velocity.
Twinkling
Twinkling, also called scintillation, is a generic term for variations in apparent brightness, colour, or position of a distant luminous object viewed through a medium.
Type Ia supernova
A Type Ia supernova (read: "type one-A") is a type of supernova that occurs in binary systems (two stars orbiting one another) in which one of the stars is a white dwarf.
See Sirius and Type Ia supernova
Uranus
Uranus is the seventh planet from the Sun.
Ursa Major
Ursa Major (also known as the Great Bear) is a constellation in the northern sky, whose associated mythology likely dates back into prehistory.
Ursa Major moving group
The Ursa Major Moving Group, also known as Collinder 285 and the Ursa Major association, is the closest stellar moving group – a set of stars with common velocities in space and thought to have a common origin in space and time.
See Sirius and Ursa Major moving group
Vega
Vega is the brightest star in the northern constellation of Lyra. Sirius and Vega are a-type main-sequence stars, bright Star Catalogue objects, Gliese and GJ objects, Henry Draper Catalogue objects and Hipparcos objects.
See Sirius and Vega
Venus
Venus is the second planet from the Sun. Sirius and Venus are astronomical objects known since antiquity.
See Sirius and Venus
Vertex (geometry)
In geometry, a vertex (vertices or vertexes) is a point where two or more curves, lines, or edges meet or intersect.
See Sirius and Vertex (geometry)
VLT Survey Telescope
The VLT Survey Telescope (VST) is a telescope located at ESO's Paranal Observatory in the Atacama Desert of northern Chile.
See Sirius and VLT Survey Telescope
Voyager 2
Voyager 2 is a space probe launched by NASA on August 20, 1977, as a part of the Voyager program.
Walt Whitman
Walter Whitman Jr. (May 31, 1819 – March 26, 1892) was an American poet, essayist, and journalist.
Walter Sydney Adams
Walter Sydney Adams (December 20, 1876 – May 11, 1956) was an American astronomer.
See Sirius and Walter Sydney Adams
Well (Chinese constellation)
The Well mansion (井宿, pinyin: Jǐng Xiù; Japanese: chichiri-boshi) is one of the Twenty-eight mansions of the Chinese constellations.
See Sirius and Well (Chinese constellation)
When Lilacs Last in the Dooryard Bloom'd
"When Lilacs Last in the Dooryard Bloom'd" is a long poem written by American poet Walt Whitman (1819–1892) as an elegy to President Abraham Lincoln.
See Sirius and When Lilacs Last in the Dooryard Bloom'd
White dwarf
A white dwarf is a stellar core remnant composed mostly of electron-degenerate matter. Sirius and white dwarf are white dwarfs.
William Huggins
Sir William Huggins (7 February 1824 – 12 May 1910) was a British astronomer best known for his pioneering work in astronomical spectroscopy together with his wife, Margaret.
See Sirius and William Huggins
Winter solstice
The winter solstice, also called the hibernal solstice, occurs when either of Earth's poles reaches its maximum tilt away from the Sun.
See Sirius and Winter solstice
Winter Triangle
The Winter Triangle is an astronomical asterism formed from three of the brightest stars in the winter sky.
See Sirius and Winter Triangle
Works and Days
Works and Days (Érga kaì Hēmérai)The Works and Days is sometimes called by the Latin translation of the title, Opera et Dies.
Yazata
Yazata (𐬫𐬀𐬰𐬀𐬙𐬀) is the Avestan word for a Zoroastrian concept with a wide range of meanings but generally signifying (or used as an epithet of) a divinity.
Zeus
Zeus is the sky and thunder god in ancient Greek religion and mythology, who rules as king of the gods on Mount Olympus.
See Sirius and Zeus
Zoroastrianism
Zoroastrianism (Din-e Zartoshti), also known as Mazdayasna and Behdin, is an Iranian religion.
17th parallel south
The 17th parallel south is a circle of latitude that is 17 degrees south of the Earth's equatorial plane.
See Sirius and 17th parallel south
73rd parallel south
The 73rd parallel south is a circle of latitude that is 73 degrees south of the Earth's equatorial plane in the Antarctic.
See Sirius and 73rd parallel south
See also
Astronomical objects known since antiquity
- Algol
- Alpha Centauri
- Alpheratz
- Altair
- Andromeda Galaxy
- Beehive Cluster
- Beta Aquarii
- Caesar's Comet
- Coma Star Cluster
- Double Cluster
- Earth
- Epsilon Eridani
- Halley's Comet
- Jupiter
- Large Magellanic Cloud
- Mars
- Mercury (planet)
- Messier 41
- Messier 7
- Milky Way
- Moon
- NGC 869
- NGC 884
- Omega Centauri
- Orion Nebula
- Pleiades
- Procyon
- SN 185
- SN 386
- SN 393
- Saturn
- Sirius
- Small Magellanic Cloud
- Sun
- Venus
References
Also known as 9 CMa, 9 Canis Majoris, Alf CMa, Alhabor, Alpha CMa, Alpha Canis Maioris, Alpha Canis Majoris, Aschere, Brightest star in the night sky, Canicula, Dog Star, Dog stars, EGGR 49, Gliese 244, Gliese 244 A, Gliese 244 B, HD 48915, HIP 32349, SAO 151881, Sirius (star), Sirius (star) in fiction, Sirius A, Sirius AB, Sirius B, Sirius C, Sirius in fiction, Sirius in popular culture, Sirius supercluster, Sirius-B, Sirius.B, Sothis (star), Swart star, The Dog-Star, WD 0642-166, Α CMa, Α CMa B, Α Canis Majoris, Α Canis Majoris A, Α Canis Majoris B, Σείριος, الشعرى.
, Betelgeuse, Binary star, Blackfoot Confederacy, Boreas (god), Bright Star Catalogue, Brown dwarf, Cairo, Cangin languages, Canis Major, Canopus, Cape of Good Hope, Celestial navigation, Centre de données astronomiques de Strasbourg, Chandra X-ray Observatory, Charles Lindbergh, Cherokee, Chinese astronomy, Christiaan Huygens, Cicero, Circumpolar star, CNO cycle, Constellation, Convection zone, Cosmic dust, Culmination, Dante Alighieri, Daylight, Dearborn Observatory, Declination, Dendera, Dendera Temple complex, Dog, Dog days, Dogon people, Duat, Durchmusterung, Earth, Ecliptic, Edmond Halley, Ejnar Hertzsprung, Energy (esotericism), Epoch (astronomy), Eta Carinae, Ethnicity, Fasti (poem), Ferdowsi, Fiji, First Fleet, Fixed stars, Flag of Brazil, Flagship, Flamsteed designation, Flooding of the Nile, Friedrich Wilhelm Bessel, Gaia (spacecraft), Gaia catalogues, Geoffrey Chaucer, Germanicus, Giant planet, Giuseppe Piazzi, Gliese Catalogue of Nearby Stars, Great refractor, Gregorian calendar, Gregory of Tours, Hathor, Hawaii, Heinrich Cornelius Agrippa, Heliacal rising, Henry Draper Catalogue, Hesiod, Hipparcos, Historical brightest stars, HMS Sirius (1786), Homer, Horus, Hubble Space Telescope, Hyades (star cluster), IAU Working Group on Star Names, Ibn Kathir, Iliad, Infrared excess, Intensity interferometer, International Astronomical Union, International Celestial Reference System and its realizations, Interstellar medium, Inuit, Iran, IRAS, Isis, Jacques Cassini, Jodrell Bank Observatory, Johann Bayer, John Herschel, John Milton, Julian calendar, Juniper, Jupiter, Karlheinz Stockhausen, Kea (island), Kelvin, Kiel, Latinisation of names, Light-year, List of brightest stars, List of nearest stars, List of northernmost settlements, List of stars in Canis Major, Lockheed Model 8 Sirius, Lombardy, Luminosity, Lyndon, Rutland, Macquarie University, Magnetic field, Main sequence, Malayalam, Mali, Marcel Griaule, Marcus Manilius, Marquesas Islands, Mars, Mato Grosso, Mauritania, Māori people, Mercury (planet), Metallicity, Middle Ages, Middle Persian, Minute and second of arc, Mitsubishi Motors, Mitsubishi Sirius engine, Molecular cloud, Monthly Notices of the Royal Astronomical Society, Mount Wilson Observatory, National Air and Space Museum, Nevil Maskelyne, New Persian, Nicolas-Louis de Lacaille, Night sky, Nile, Noah Brosch, North America, Northern Hemisphere, Nova, Opora (mythology), Orion (constellation), Orion (mythology), Osiris, Ovid, Paris, Pawnee people, Persian literature, Persian mythology, Philosophical Transactions of the Royal Society, Pinyin, Pleiades, Pleiades in folklore and literature, Plutarch, Pollux (star), Polynesians, Procyon, Proper motion, Ptolemy, Puppis, Quran, Radial velocity, Realencyclopädie der classischen Altertumswissenschaft, Red dwarf, Red giant, Redshift, Religious text, ResearchGate, Richard Q. Twiss, Rigel, Robert Hanbury Brown, Robigalia, Romanization of Japanese, Royal Astronomical Society, Royal Australian Navy, Royal Navy, Royal Society, Rudra, Rust (fungus), Rutland, Sah (god), Saint Petersburg, Saltigue, Sanskrit, Satellite radio, Satis (goddess), Scandinavia, Scattering, Seneca the Younger, Senegal, Serer language, Serer people, Serer religion, Seri people, Shahnameh, Shiva, Sidereal time, Sirius (mythology), Sirius Satellite Radio, Solar luminosity, Solar System, Sopdet, Sopdu, Southern Hemisphere, Spectral line, Stanley Lombardo, Star, Star catalogue, Star Names, Stellar classification, Stellar evolution, Stellar parallax, Stellar rotation, Sun, Sunrise, Sunset, Surah, Syncretism, Telesterion, The Astrophysical Journal, The Gambia, The Princess (Tennyson poem), Theosophy, Thomas Barker (meteorologist), Thomas Henderson (astronomer), Thomas Jefferson Jackson See, Thomas Maclear, Tishtrya, Tohono Oʼodham, Tropical year, Troy, Turbulence, Twinkling, Type Ia supernova, Uranus, Ursa Major, Ursa Major moving group, Vega, Venus, Vertex (geometry), VLT Survey Telescope, Voyager 2, Walt Whitman, Walter Sydney Adams, Well (Chinese constellation), When Lilacs Last in the Dooryard Bloom'd, White dwarf, William Huggins, Winter solstice, Winter Triangle, Works and Days, Yazata, Zeus, Zoroastrianism, 17th parallel south, 73rd parallel south.