189 relations: Abd al-Rahman al-Sufi, Aethiopia, Algol variable, Alpha, Alpha Cassiopeiae, Alpha Centauri, Alpha Persei, Alpha2 Canum Venaticorum variable, Andromeda (constellation), Andromeda (mythology), Andromeda Galaxy, AO Cassiopeiae, Apparent magnitude, Aries (constellation), Asterism (astronomy), Astronomical radio source, Astronomy (Dragonland album), Augustin Royer, B-type main-sequence star, Bathsheba, Battlestar Galactica (1978 TV series), Be star, Beta Cassiopeiae, Big Dipper, Binary star, Black Tortoise, Blue supergiant star, Bow shocks in astrophysics, C. I. Defontenay, Caldwell catalogue, Camelopardalis, Cassiopeia (Queen of Ethiopia), Cassiopeia (train), Cassiopeia A, Cassiopeia in Chinese astronomy, Celestial pole, Cepheus (constellation), Cepheus, King of Aethiopia, Cetus, Chandra X-ray Observatory, Chinese astronomy, Chukchi people, Comet, Constellation, Constellation family, Contact (1997 American film), Cosmology of Tolkien's legendarium, Crater-class cargo ship, Cygnus (constellation), Deborah, ..., Declination, Delta Cassiopeiae, Delta Persei, Delta Scuti variable, Devayani, Double star, Dwarf galaxy, E.T. the Extra-Terrestrial, East Japan Railway Company, Elliptical galaxy, Emission nebula, Epsilon Cassiopeiae, Epsilon Persei, Equatorial coordinate system, Eta Cassiopeiae, Eta Persei, Eugène Joseph Delporte, Exoplanet, Fatimah, G-type main-sequence star, Gamma Cassiopeiae, Gamma Persei, Giant star, Greek mythology, Harry Potter (character), Hawaii, Heart Nebula, Henna, Himitsu Sentai Gorenger, HR 8832, Hypergiant, Ian Ridpath, IC 10, In the Heights, International Astronomical Union, Iota Cassiopeiae, Jesus, Jodie Foster, Johann Bayer, John Cusack, John Flamsteed, Kappa Cassiopeiae, Kate Beckinsale, Lacerta, Light pollution, Limited express, List of biblical names, List of largest stars, Local Group, Luminosity, Marshall Islands, Mary Magdalene, Matthew McConaughey, Messier 103, Messier 52, Messier object, Meteor shower, Milky Way, Muhammad, Nebula, Nereid, New York City, NGC 147, NGC 185, NGC 457, NGC 663, North Pole, Nu Persei, Omega, Omicron Cassiopeiae, Open cluster, Order of the Phoenix (fictional organisation), Patient X (The X-Files), Perseids, Perseus, Perseus (constellation), Perseus Arm, Phi Cassiopeiae, Polaris, Poseidon, Pottermore, Psi Cassiopeiae, Ptolemy, Pukapuka, Purple Forbidden enclosure, PZ Cassiopeiae, Queen regnant, Radiant (meteor shower), Radio spectrum, Rho Cassiopeiae, Right ascension, RS Canum Venaticorum variable, Sami people, Sara Bareilles, Science (journal), Semiregular variable star, Serendipity (film), Sharmishtha, Shell star, Siberia, Sigma Cassiopeiae, Sky & Telescope, Slowly pulsating B-type star, Smog, SN 1572, Solar System, Spheroid, Star system, Starburst galaxy, Stellar rotation, Sun, Supernova, Supernova remnant, The 5th Wave (series), The Cloverfield Paradox, The Edge (1997 film), The X-Files, Theta Cassiopeiae, Triangulum, TVXQ, Tycho Brahe, Tycho G, United States Navy, Upsilon, USS Cassiopeia (AK-75), V509 Cassiopeiae, Variable star, Veronica Cartwright, Westerhout 5, White Tiger (China), William Herschel, Yellow hypergiant, Zenith, Zeta Cassiopeiae, 20th parallel south, 34th parallel north, 50 Cassiopeiae, 6 Cassiopeiae, 88 modern constellations by area. Expand index (139 more) » « Shrink index
'Abd al-Rahman al-Sufi (عبدالرحمن صوفی (December 7, 903 in Rey, Iran – May 25, 986 in Shiraz, Iran) was a Persian astronomer also known as 'Abd ar-Rahman as-Sufi, 'Abd al-Rahman Abu al-Husayn, 'Abdul Rahman Sufi, or 'Abdurrahman Sufi and, historically, in the West as Azophi and Azophi Arabus. The lunar crater Azophi and the minor planet 12621 Alsufi are named after him. Al-Sufi published his famous Book of Fixed Stars in 964, describing much of his work, both in textual descriptions and pictures. Al-Biruni reports that his work on the ecliptic was carried out in Shiraz. He lived at the Buyid court in Isfahan.
Ancient Aethiopia (Αἰθιοπία Aithiopia) first appears as a geographical term in classical documents in reference to the upper Nile region, as well as all certain areas south of the Sahara desert and south of the Atlantic Ocean.
Algol variables or Algol-type binaries are a class of eclipsing binary stars that are related to the prototype member of this class, β Persei (Beta Persei, Algol) from an evolutionary point of view.
Alpha (uppercase, lowercase; ἄλφα, álpha, modern pronunciation álfa) is the first letter of the Greek alphabet.
Alpha Cassiopeiae (α Cassiopeiae, abbreviated Alpha Cas, α Cas), also named Schedar, is a second magnitude star in the constellation of Cassiopeia.
Alpha Centauri (α Centauri, abbreviated Alf Cen or α Cen) is the star system closest to the Solar System, being from the Sun.
Alpha Persei (α Persei, abbreviated Alpha Per, α Per), also named Mirfak, is the brightest star in the northern constellation of Perseus, just outshining the constellation's best known star, Algol.
An Alpha2 Canum Venaticorum variable (or α2 CVn variable) is a type of variable star.
Andromeda is one of the 48 constellations listed by the 2nd-century Greco-Roman astronomer Ptolemy and remains one of the 88 modern constellations.
In Greek mythology, Andromeda (Greek: Ἀνδρομέδα, Androméda or Ἀνδρομέδη, Andromédē) is the daughter of the Aethiopian king Cepheus and his wife Cassiopeia.
The Andromeda Galaxy, also known as Messier 31, M31, or NGC 224, is a spiral galaxy approximately 780 kiloparsecs (2.5 million light-years) from Earth, and the nearest major galaxy to the Milky Way.
AO Cassiopeiae, also known as Pearce's Star, is a binary system composed of an O8 main sequence star and an O9.2 bright giant that respectively weigh anywhere between 20.30 and 57.75 times and 14.8 and 31.73 times the mass of the Sun.
The apparent magnitude of a celestial object is a number that is a measure of its brightness as seen by an observer on Earth.
Aries is one of the constellations of the zodiac.
In observational astronomy, an asterism is a popular known pattern or group of stars that are recognised in the night sky.
Astronomical radio sources are objects in outer space that emit strong radio waves.
Astronomy is the fourth studio album by Swedish power metal band Dragonland, released in Europe on 13 November 2006 and in North America on 28 November 2006.
Augustin Royer was a French architect who lived in the time of Louis XIV.
A B-type main-sequence star (B V) is a main-sequence (hydrogen-burning) star of spectral type B and luminosity class V. These stars have from 2 to 16 times the mass of the Sun and surface temperatures between 10,000 and 30,000 K. B-type stars are extremely luminous and blue.
Bathsheba was the wife of Uriah the Hittite and later of David, according to the Hebrew Bible.
Battlestar Galactica is an American science fiction television series, created by Glen A. Larson, that began the ''Battlestar Galactica'' franchise.
Be Stars are a heterogeneous set of stars with B spectral types and emission lines.
Beta Cassiopeiae (β Cassiopeiae, abbreviated Beta Cas or β Cas), also named Caph, is a Delta Scuti variable star in the constellation of Cassiopeia.
The Big Dipper (US) or the Plough (UK) is an asterism consisting of seven bright stars of the constellation Ursa Major; six of them are of second magnitude and one, Megrez (δ), of third magnitude.
A binary star is a star system consisting of two stars orbiting around their common barycenter.
The Black Tortoise or Black Turtle is one of the Four Symbols of the Chinese constellations.
Blue supergiant stars are hot luminous stars, referred to scientifically as OB supergiants.
Bow shocks form the boundary between a magnetosphere and an ambient magnetized medium.
C.I. Defontenay (1819–1856) was the pseudonym of French science fiction writer Charlemagne Ischir Defontenay.
The Caldwell Catalogue is an astronomical catalogue of 109 star clusters, nebulae, and galaxies for observation by amateur astronomers.
Camelopardalis is a large but obscure constellation of the northern sky representing a giraffe.
Cassiopeia (Κασσιόπεια), also Cassiepeia (Κασσιέπεια), wife of king Cepheus of Phoenicia, was arrogant and vain.
The was a luxury overnight limited express train service in Japan, operated by East Japan Railway Company (JR East) from July 1999 until March 2016.
Cassiopeia A (Cas A) is a supernova remnant (SNR) in the constellation Cassiopeia and the brightest extrasolar radio source in the sky at frequencies above 1 GHz.
The modern constellation Cassiopeia lies across two of the quadrants symbolized by the Black Tortoise of the North (北方玄武, Běi Fāng Xuán Wǔ), The White Tiger of the West (西方白虎, Xī Fāng Bái Hǔ) and Three Enclosures (三垣, Sān Yuán), that divide the sky in traditional Chinese uranography.
The north and south celestial poles are the two imaginary points in the sky where the Earth's axis of rotation, indefinitely extended, intersects the celestial sphere.
Cepheus is a constellation in the northern sky, which is named after Cepheus (a King in the Greek mythology).
In Greek mythology, Cepheus (Greek: Κηφεύς Kepheús) is the name of two rulers of Aethiopia, grandfather and grandson.
Cetus is a constellation.
The Chandra X-ray Observatory (CXO), previously known as the Advanced X-ray Astrophysics Facility (AXAF), is a Flagship-class space observatory launched on STS-93 by NASA on July 23, 1999.
Astronomy in China has a long history, beginning from the Shang Dynasty (Chinese Bronze Age).
The Chukchi, or Chukchee (Чукчи, sg. Чукча), are an indigenous people inhabiting the Chukchi Peninsula and the shores of the Chukchi Sea and the Bering Sea region of the Arctic Ocean within the Russian Federation.
A comet is an icy small Solar System body that, when passing close to the Sun, warms and begins to release gases, a process called outgassing.
A constellation is a group of stars that are considered to form imaginary outlines or meaningful patterns on the celestial sphere, typically representing animals, mythological people or gods, mythological creatures, or manufactured devices.
Constellation families are collections of constellations sharing some defining characteristic, such as proximity on the celestial sphere, common historical origin, or common mythological theme.
Contact is a 1997 American science fiction drama film directed by Robert Zemeckis.
The cosmology of J. R. R. Tolkien's legendarium combines aspects of Christian theology and metaphysics, mythology (especially Germanic mythology) and pre-modern cosmological concepts in the flat Earth paradigm with the modern spherical Earth view of the solar system.
Crater-class cargo ship is a category of freighter that was constructed for use by the United States Navy during World War II under Maritime Commission EC2-S-C1 type.
Cygnus is a northern constellation lying on the plane of the Milky Way, deriving its name from the Latinized Greek word for swan.
According to the Book of Judges chapters 4 and 5, Deborah was a prophet of Yahweh the God of the Israelites, the fourth Judge of pre-monarchic Israel and the only female judge mentioned in the Bible, and the wife of Lapidoth.
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.
Delta Cassiopeiae (δ Cassiopeiae, abbreviated Delta Cas, δ Cas) is an eclipsing binary star system in the northern circumpolar constellation of Cassiopeia.
Delta Persei (Delta Per, δ Persei, δ Per) is a double star in the northern constellation of Perseus.
A Delta Scuti variable (sometimes termed dwarf cepheid) is a variable star which exhibits variations in its luminosity due to both radial and non-radial pulsations of the star's surface.
In Hindu mythology, Devayani (देवयानी, Devayānī) was the important daughter of Shukracharya, Daitya guru and his wife Jayanti, daughter of Indra.
In observational astronomy, a double star or visual double is a pair of stars that appear close to each other in the sky as seen from Earth when viewed through an optical telescope.
A dwarf galaxy is a small galaxy composed of about 100 million up to several billion stars, a small number compared to the Milky Way's 200–400 billion stars.
E.T. the Extra-Terrestrial is a 1982 American science fiction film co-produced and directed by Steven Spielberg, and written by Melissa Mathison.
is a major passenger railway company in Japan and one of the seven Japan Railways Group companies.
An elliptical galaxy is a type of galaxy having an approximately ellipsoidal shape and a smooth, nearly featureless image.
An emission nebula is a nebula formed of ionized gases that emit light of various wavelengths.
Epsilon Cassiopeiae (ε Cassiopeiae, abbreviated Eps Cas, ε Cas), also named Segin, is a star in the constellation of Cassiopeia.
Epsilon Persei (ε Persei, ε Per) is a multiple star system in the northern constellation of Perseus.
The equatorial coordinate system is a celestial coordinate system widely used to specify the positions of celestial objects.
Eta Cassiopeiae (η Cassiopeiae, abbreviated Eta Cas, η Cas) is a binary star system in the northern circumpolar constellation of Cassiopeia.
Eta Persei (η Persei, abbreviated Eta Per, η Per), is a binary star and the 'A' component of a triple star system (the 'B' component is the star HD 237009) in the constellation of Perseus.
Eugène Joseph Delporte (10 January 1882 – 19 October 1955) was a Belgian astronomer born in Genappe.
An exoplanet or extrasolar planet is a planet outside our solar system.
Fatimah bint Muhammad (فاطمة;; especially colloquially: born c. 609 (or 20 Jumada al-Thani 5 BH ?) – died 28 August 632) was the youngest daughter and according to Shia Muslims, the only child of the Islamic prophet Muhammad and Khadijah who lived to adulthood, and therefore part of Muhammad's household.
A G-type main-sequence star (Spectral type: G-V), often (and imprecisely) called a yellow dwarf, or G dwarf star, is a main-sequence star (luminosity class V) of spectral type G. Such a star has about 0.84 to 1.15 solar masses and surface temperature of between 5,300 and 6,000 K., G. M. H. J. Habets and J. R. W. Heintze, Astronomy and Astrophysics Supplement 46 (November 1981), pp.
Gamma Cassiopeiae, Latinized from γ Cassiopeiae, is a star at the center of the distinctive "W" asterism in the northern circumpolar constellation of Cassiopeia.
Gamma Persei (Gamma Per, γ Persei, γ Per) is a binary star system in the constellation Perseus.
A giant star is a star with substantially larger radius and luminosity than a main-sequence (or dwarf) star of the same surface temperature.
Greek mythology is the body of myths and teachings that belong to the ancient Greeks, concerning their gods and heroes, the nature of the world, and the origins and significance of their own cult and ritual practices.
Harry James Potter is the title character and protagonist of J. K. Rowling's Harry Potter series.
Hawaii (Hawaii) is the 50th and most recent state to have joined the United States, having received statehood on August 21, 1959.
The Heart Nebula, IC 1805, Sharpless 2-190, lies some 7500 light years away from Earth and is located in the Perseus Arm of the Galaxy in the constellation Cassiopeia.
Henna (حِنَّاء) is a dye prepared from the plant Lawsonia inermis, also known as hina, the henna tree, the mignonette tree, and the Egyptian privet, the sole species of the genus Lawsonia.
is a Japanese tokusatsu superhero television series.
HR 8832 (or HD 219134, or Gliese 892) is a main sequence star in the constellation of Cassiopeia.
A hypergiant (luminosity class 0 or Ia+) is among the very rare kinds of stars that typically show tremendous luminosities and very high rates of mass loss by stellar winds.
Ian William Ridpath (born 1 May 1947, Ilford, Essex) is an English science writer and broadcaster best known as a popularizer of astronomy and a biographer of constellation history.
IC 10 is an irregular galaxy in the constellation Cassiopeia.
In the Heights is a musical with music and lyrics by Lin-Manuel Miranda and a book by Quiara Alegría Hudes.
The International Astronomical Union (IAU; Union astronomique internationale, UAI) is an international association of professional astronomers, at the PhD level and beyond, active in professional research and education in astronomy.
Iota Cassiopeiae (ι Cas, ι Cassiopeiae) is a star system in the constellation Cassiopeia.
Jesus, also referred to as Jesus of Nazareth and Jesus Christ, was a first-century Jewish preacher and religious leader.
Alicia Christian "Jodie" Foster (born November 19, 1962) is an American actress, director, and producer.
Johann Bayer (1572 – 7 March 1625) was a German lawyer and uranographer (celestial cartographer).
John Paul Cusack (born June 28, 1966) is an American actor, producer and screenwriter.
John Flamsteed FRS (19 August 1646 – 31 December 1719) was an English astronomer and the first Astronomer Royal.
Kappa Cassiopeiae (κ Cas, κ Cassiopeiae) is a star in the constellation Cassiopeia.
Kathrin Romary Beckinsale (born 26 July 1973) is an English actress.
Lacerta is one of the 88 modern constellations defined by the International Astronomical Union.
Light pollution, also known as photopollution, is the presence of anthropogenic light in the night environment.
A limited express is a type of express train service.
This page introduces a list of proper names from the Bible.
Below is an ordered list of the largest stars currently known by radius.
The Local Group is the galaxy group that includes the Milky Way.
In astronomy, luminosity is the total amount of energy emitted per unit of time by a star, galaxy, or other astronomical object.
The Marshall Islands, officially the Republic of the Marshall Islands (Aolepān Aorōkin M̧ajeļ), is an island country located near the equator in the Pacific Ocean, slightly west of the International Date Line.
Saint Mary Magdalene, sometimes called simply the Magdalene, was a Jewish woman who, according to the four canonical gospels, traveled with Jesus as one of his followers and was a witness to his crucifixion, burial, and resurrection.
Matthew David McConaughey (born November 4, 1969) is an American actor, producer, model, writer and director.
Messier 103 (also known as M103, or NGC 581) is an open cluster where a few thousand stars formed in the constellation Cassiopeia.
Messier 52 (also known as M52 or NGC 7654) is an open cluster in the Cassiopeia constellation.
The Messier objects are a set of 110 astronomical objects, of which 103 were included in lists published by French astronomer Charles Messier in 1771 and 1781.
A meteor shower is a celestial event in which a number of meteors are observed to radiate, or originate, from one point in the night sky.
The Milky Way is the galaxy that contains our Solar System.
MuhammadFull name: Abū al-Qāsim Muḥammad ibn ʿAbd Allāh ibn ʿAbd al-Muṭṭalib ibn Hāšim (ابو القاسم محمد ابن عبد الله ابن عبد المطلب ابن هاشم, lit: Father of Qasim Muhammad son of Abd Allah son of Abdul-Muttalib son of Hashim) (مُحمّد;;Classical Arabic pronunciation Latinized as Mahometus c. 570 CE – 8 June 632 CE)Elizabeth Goldman (1995), p. 63, gives 8 June 632 CE, the dominant Islamic tradition.
A nebula (Latin for "cloud" or "fog"; pl. nebulae, nebulæ, or nebulas) is an interstellar cloud of dust, hydrogen, helium and other ionized gases.
In Greek mythology, the Nereids (Νηρηΐδες Nereides, sg. Νηρηΐς Nereis) are sea nymphs (female spirits of sea waters), the 50 daughters of Nereus and Doris, sisters to Nerites.
The City of New York, often called New York City (NYC) or simply New York, is the most populous city in the United States.
NGC 147 (also known as DDO3 or Caldwell 17) is a dwarf spheroidal galaxy about 2.58 Mly away in the constellation Cassiopeia.
NGC 185 (also known as Caldwell 18) is a dwarf spheroidal galaxy located 2.08 million light-years from Earth, appearing in the constellation Cassiopeia.
NGC 457 (also known as the Owl Cluster, the ET Cluster, or Caldwell 13) is an open star cluster in the constellation Cassiopeia.
NGC 663, also known as Caldwell 10, is young open cluster of about 400 stars in the Cassiopeia constellation.
The North Pole, also known as the Geographic North Pole or Terrestrial North Pole, is (subject to the caveats explained below) defined as the point in the Northern Hemisphere where the Earth's axis of rotation meets its surface.
Nu Persei (ν Per, ν Persei) is a Class F5, fourth-magnitude star in the constellation Perseus.
Omega (capital: Ω, lowercase: ω; Greek ὦ, later ὦ μέγα, Modern Greek ωμέγα) is the 24th and last letter of the Greek alphabet.
Omicron Cassiopeiae (ο Cas, ο Cassiopeiae) is a triple star system in the constellation Cassiopeia.
An open cluster is a group of up to a few thousand stars that were formed from the same giant molecular cloud and have roughly the same age.
The Order of the Phoenix is a secret organisation in the Harry Potter series of fiction books written by J. K. Rowling.
"Patient X" is the thirteenth episode of the fifth season of American science fiction television series The X-Files.
The Perseids are prolific meteor showers associated with the comet Swift–Tuttle.
In Greek mythology, Perseus (Περσεύς) is the legendary founder of Mycenae and of the Perseid dynasty, who, alongside Cadmus and Bellerophon, was the greatest Greek hero and slayer of monsters before the days of Heracles.
Perseus is a constellation in the northern sky, being named after the Greek mythological hero Perseus.
The Perseus Arm is one of two major spiral arms of the Milky Way galaxy.
Phi Cassiopeiae (φ Cas, φ Cassiopeiae) is a star in the constellation Cassiopeia.
Polaris, designated Alpha Ursae Minoris (Ursae Minoris, abbreviated Alpha UMi, UMi), commonly the North Star or Pole Star, is the brightest star in the constellation of Ursa Minor.
Poseidon (Ποσειδῶν) was one of the Twelve Olympians in ancient Greek religion and myth.
Pottermore is the digital publishing, e-commerce, entertainment, and news company from J. K. Rowling and is a global digital publisher of Harry Potter and the Wizarding World.
Psi Cassiopeiae (ψ Cassiopeiae) is a binary star system in the northern constellation of Cassiopeia.
Claudius Ptolemy (Κλαύδιος Πτολεμαῖος, Klaúdios Ptolemaîos; Claudius Ptolemaeus) was a Greco-Roman mathematician, astronomer, geographer, astrologer, and poet of a single epigram in the Greek Anthology.
Pukapuka is a coral atoll in the northern group of the Cook Islands in the Pacific Ocean.
The Purple Forbidden enclosure (紫微垣 Zǐ wēi yuán) is one of the San Yuan (三垣 Sān yuán) or Three Enclosures.
PZ Cassiopeiae is a red supergiant star located in the Cassiopeia constellation, and a semi-regular variable star.
A queen regnant (plural: queens regnant) is a female monarch, equivalent in rank to a king, who reigns in her own right, in contrast to a queen consort, who is the wife of a reigning king, or a queen regent, who is the guardian of a child monarch and reigns temporarily in the child's stead.
The radiant or apparent radiant of a meteor shower is the point in the sky from which (to a planetary observer) meteors appear to originate.
The radio spectrum is the part of the electromagnetic spectrum with frequencies from 3 Hz to 3 000 GHz (3 THz).
Rho Cassiopeiae (ρ Cas, ρ Cassiopeiae) is a yellow hypergiant star in the constellation Cassiopeia.
Right ascension (abbreviated RA; symbol) is the angular distance measured only eastward along the celestial equator from the Sun at the March equinox to the (hour circle of the) point above the earth in question.
RS Canum Venaticorum variables are a type of variable star.
The Sami people (also known as the Sámi or the Saami) are a Finno-Ugric people inhabiting Sápmi, which today encompasses large parts of Norway and Sweden, northern parts of Finland, and the Murmansk Oblast of Russia.
Sara Beth Bareilles (born December 7, 1979) is an American singer-songwriter, actress and author.
Science, also widely referred to as Science Magazine, is the peer-reviewed academic journal of the American Association for the Advancement of Science (AAAS) and one of the world's top academic journals.
Semiregular variable stars are giants or supergiants of intermediate and late spectral type showing considerable periodicity in their light changes, accompanied or sometimes interrupted by various irregularities.
Serendipity is a 2001 American romantic comedy film directed by Peter Chelsom, written by Marc Klein, and starring John Cusack and Kate Beckinsale.
In Hindu mythology, Sharmistha, also known as Sharmista or Sharmishtha, was the daughter of the great Daitya King Vrishparva.
A shell star is a star having a spectrum that exhibits features indicating a circumstellar disc of gas surrounding the star at the equator.
Siberia (a) is an extensive geographical region, and by the broadest definition is also known as North Asia.
Sigma Cassiopeiae (σ Cas, σ Cassiopeiae) is a binary star in the constellation Cassiopeia.
Sky & Telescope (S&T) is a monthly American magazine covering all aspects of amateur astronomy, including the following.
A slowly pulsating B-type star (SPB), formerly known as a 53 Persei variable, is a type of pulsating variable star.
Smog is a type of air pollutant.
SN 1572 (Tycho's Supernova, Tycho's Nova), or B Cassiopeiae (B Cas), was a supernova of Type Ia in the constellation Cassiopeia, one of about eight supernovae visible to the naked eye in historical records.
The Solar SystemCapitalization of the name varies.
A spheroid, or ellipsoid of revolution, is a quadric surface obtained by rotating an ellipse about one of its principal axes; in other words, an ellipsoid with two equal semi-diameters.
A star system or stellar system is a small number of stars that orbit each other, bound by gravitational attraction.
A starburst galaxy is a galaxy undergoing an exceptionally high rate of star formation, as compared to the long-term average rate of star formation in the galaxy or the star formation rate observed in most other galaxies.
Stellar rotation is the angular motion of a star about its axis.
The Sun is the star at the center of the Solar System.
A supernova (plural: supernovae or supernovas, abbreviations: SN and SNe) is a transient astronomical event that occurs during the last stellar evolutionary stages of a star's life, either a massive star or a white dwarf, whose destruction is marked by one final, titanic explosion.
A supernova remnant (SNR) is the structure resulting from the explosion of a star in a supernova.
The 5th Wave is a trilogy of young adult post-apocalyptic sci-fi novels written by American author Rick Yancey.
The Cloverfield Paradox is a 2018 American science fiction horror film directed by Julius Onah, written by Oren Uziel and Doug Jung, and produced by J. J. Abramss Bad Robot Productions.
The Edge is a 1997 American survival drama film directed by Lee Tamahori and starring Anthony Hopkins and Alec Baldwin.
The X-Files is an American science fiction drama television series created by Chris Carter.
Theta Cassiopeiae (θ Cas, θ Cassiopeiae) is a solitary star in the northern constellation of Cassiopeia.
Triangulum is a small constellation in the northern sky.
TVXQ (stylized as TVXQ!), an initialism for Tong Vfang Xien Qi, is a South Korean pop duo consisting of U-Know Yunho and Max Changmin.
Tycho Brahe (born Tyge Ottesen Brahe;. He adopted the Latinized form "Tycho Brahe" (sometimes written Tÿcho) at around age fifteen. The name Tycho comes from Tyche (Τύχη, meaning "luck" in Greek, Roman equivalent: Fortuna), a tutelary deity of fortune and prosperity of ancient Greek city cults. He is now generally referred to as "Tycho," as was common in Scandinavia in his time, rather than by his surname "Brahe" (a spurious appellative form of his name, Tycho de Brahe, only appears much later). 14 December 154624 October 1601) was a Danish nobleman, astronomer, and writer known for his accurate and comprehensive astronomical and planetary observations.
Tycho G has been proposed as the surviving binary companion star of the SN 1572 supernova event.
The United States Navy (USN) is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States.
Upsilon (or; uppercase Υ, lowercase υ; ύψιλον ýpsilon) or ypsilon is the 20th letter of the Greek alphabet.
USS Cassiopeia (AK-75) was a in the service of the US Navy in World War II.
V509 Cassiopeiae (V509 Cas or HR 8752) is one of two yellow hypergiant stars found in the constellation Cassiopeia, which also contains Rho Cassiopeiae.
A variable star is a star whose brightness as seen from Earth (its apparent magnitude) fluctuates.
Veronica A. Cartwright (born 20 April 1949) is an English-born American actress who has worked mainly in American film and television in a career spanning six decades.
Westerhout 5 (Sharpless 2-199, LBN 667, Soul Nebula) is an emission nebula located in Cassiopeia.
The White Tiger is one of the Four Symbols of the Chinese constellations.
Frederick William Herschel, (Friedrich Wilhelm Herschel; 15 November 1738 – 25 August 1822) was a German-born British astronomer, composer and brother of fellow astronomer Caroline Herschel, with whom he worked.
A yellow hypergiant is a massive star with an extended atmosphere, a spectral class from A to K, and an initial mass of about 20–60 solar masses but having lost as much as half that mass.
The zenith is an imaginary point directly "above" a particular location, on the imaginary celestial sphere.
Zeta Cassiopeiae (ζ Cassiopeiae, abbreviated Zet Cas, ζ Cas), also named Fulu, is a variable star in the constellation of Cassiopeia.
The 20th parallel south is a circle of latitude that is 20 degrees south of the Earth's equatorial plane.
The 34th parallel north is a circle of latitude that is 34 degrees north of the Earth's equatorial plane.
50 Cassiopeiae is a star in the constellation Cassiopeia.
6 Cassiopeiae (6 Cas) is a double star in the constellation Cassiopeia.
The table below ranks the 88 modern constellations by the solid angle that they subtend in the sky, measured in square degrees and millisteradians.