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Antares

Index Antares

Antares, also designated Alpha Scorpii (α Scorpii, abbreviated Alpha Sco, α Sco), is on average the fifteenth-brightest star in the night sky, and the brightest star in the constellation of Scorpius. [1]

99 relations: Aboriginal Australians, Absolute magnitude, Aldebaran, Altair, American Association of Variable Star Observers, Ancient Greek, Antarah ibn Shaddad, Apparent magnitude, Arabs, Arcturus, Ares, Astronomical unit, B-type main-sequence star, Babylonian astronomy, Babylonian star catalogues, Bayer designation, Betelgeuse, Bright Star Catalogue, Catalog of Components of Double and Multiple Stars, Catalogues of Fundamental Stars, Centre de données astronomiques de Strasbourg, Charles-François Dupuis, Conjunction (astronomy), Constellation, Contrast effect, Declination, Durchmusterung, Ecliptic, Effective temperature, Egypt, Electromagnetic spectrum, Epoch (astronomy), Fellow of the Royal Society of Edinburgh, Flamsteed designation, General Catalogue of Variable Stars, Glossary of astronomy, Heart (Chinese constellation), Henry Draper Catalogue, Hindu, Hipparcos, IAU Working Group on Star Names, India, Infrared, Interferometry, International Astronomical Union, Iran, Isis, James William Grant (astronomer), Johann Tobias Bürg, Jupiter, ..., Jyeshtha (nakshatra), Koori, Latin, Latinisation of names, Limb darkening, List of brightest stars, List of largest stars, Luminosity, Lunar mansion, Mars, Matariki, Māori people, Mesopotamia, Moon, Mu'allaqat, MUL.APIN, Nakshatra, Northern Hemisphere, Occultation, Opposition (planets), Orbital period, Parallax, Radial velocity, Red, Red supergiant star, Regulus, Rigel, Royal stars, Saros (astronomy), Scorpius, Scorpius–Centaurus Association, Serket, Shang dynasty, Sigma Scorpii, Slow irregular variable, Smithsonian Astrophysical Observatory Star Catalog, Southern Hemisphere, Spica, Star Names, Stellar association, Stellar classification, Sun, Supergiant star, Supernova, Tau Scorpii, Variable star designation, Venus, Washington Double Star Catalog, 2MASS. Expand index (49 more) »

Aboriginal Australians

Aboriginal Australians are legally defined as people who are members "of the Aboriginal race of Australia" (indigenous to mainland Australia or to the island of Tasmania).

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Absolute magnitude

Absolute magnitude is a measure of the luminosity of a celestial object, on a logarithmic astronomical magnitude scale.

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Aldebaran

Aldebaran, designated Alpha Tauri (α Tauri, abbreviated Alpha Tau, α Tau), is an orange giant star located about 65 light-years from the Sun in the zodiac constellation of Taurus.

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Altair

Altair, also designated Alpha Aquilae (α Aquilae, abbreviated Alpha Aql, α Aql), is the brightest star in the constellation of Aquila and the twelfth brightest star in the night sky.

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American Association of Variable Star Observers

Since its founding in 1911, the American Association of Variable Star Observers (AAVSO) has coordinated, collected, evaluated, analyzed, published, and archived variable star observations made largely by amateur astronomers and makes the records available to professional astronomers, researchers, and educators.

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Ancient Greek

The Ancient Greek language includes the forms of Greek used in ancient Greece and the ancient world from around the 9th century BC to the 6th century AD.

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Antarah ibn Shaddad

Antarah ibn Shaddad (عنترة بن شداد العبسي, ʿAntarah ibn Shaddād al-ʿAbsī; 525–608), also known as ʿAntar, was a pre-Islamic Arab knight and poet, famous for both his poetry and his adventurous life.

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Apparent magnitude

The apparent magnitude of a celestial object is a number that is a measure of its brightness as seen by an observer on Earth.

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Arabs

Arabs (عَرَب ISO 233, Arabic pronunciation) are a population inhabiting the Arab world.

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Arcturus

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Ares

Ares (Ἄρης, Áres) is the Greek god of war.

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Astronomical unit

The astronomical unit (symbol: au, ua, or AU) is a unit of length, roughly the distance from Earth to the Sun.

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B-type main-sequence star

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.

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Babylonian astronomy

The history of astronomy in Mesopotamia, and the world, begins with the Sumerians who developed the earliest writing system—known as cuneiform—around 3500–3200 BC.

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Babylonian star catalogues

Babylonian astronomy collated earlier observations and divinations into sets of Babylonian star catalogues, during and after the Kassite rule over Babylonia.

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Bayer designation

A Bayer designation is a stellar designation in which a specific star is identified by a Greek letter, followed by the genitive form of its parent constellation's Latin name.

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Betelgeuse

Betelgeuse, also designated Alpha Orionis (α Orionis, abbreviated Alpha Ori, α Ori), is the ninth-brightest star in the night sky and second-brightest in the constellation of Orion.

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Bright Star Catalogue

The Bright Star Catalogue, also known as the Yale Catalogue of Bright Stars or Yale Bright Star Catalogue, 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.

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Catalog of Components of Double and Multiple Stars

The Catalog of Components of Double and Multiple Stars, or CCDM, is an astrometric star catalogue of double and multiple stars.

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Catalogues of Fundamental Stars

The Catalogue of Fundamental Stars is a series of six astrometric catalogues of high precision positional data for a small selection of stars to define a celestial reference frame, which is a standard coordinate system for measuring positions of stars.

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Centre de données astronomiques de Strasbourg

The Centre de Données astronomiques de Strasbourg (CDS; English translation: Strasbourg Astronomical Data Center) is a data hub which collects and distributes astronomical information.

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Charles-François Dupuis

Charles François Dupuis (26 October 174229 September 1809) was a French savant, a professor (from 1766) of rhetoric at the Collège de Lisieux, Paris, who studied for the law in his spare time and was received as avocat in 1770.

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Conjunction (astronomy)

In astronomy, a conjunction occurs when two astronomical objects or spacecraft have either the same right ascension or the same ecliptic longitude, usually as observed from Earth.

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Constellation

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.

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Contrast effect

A contrast effect is the enhancement or diminishment, relative to normal, of perception, cognition or related performance as a result of successive (immediately previous) or simultaneous exposure to a stimulus of lesser or greater value in the same dimension.

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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.

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Durchmusterung

In astronomy, Durchmusterung or Bonner Durchmusterung (BD), is the comprehensive astrometric star catalogue of the whole sky, compiled by the Bonn Observatory (Germany) from 1859 to 1903.

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Ecliptic

The ecliptic is the circular path on the celestial sphere that the Sun follows over the course of a year; it is the basis of the ecliptic coordinate system.

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Effective temperature

The effective temperature of a body such as a star or planet is the temperature of a black body that would emit the same total amount of electromagnetic radiation.

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Egypt

Egypt (مِصر, مَصر, Khēmi), officially the Arab Republic of Egypt, is a transcontinental country spanning the northeast corner of Africa and southwest corner of Asia by a land bridge formed by the Sinai Peninsula.

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Electromagnetic spectrum

The electromagnetic spectrum is the range of frequencies (the spectrum) of electromagnetic radiation and their respective wavelengths and photon energies.

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Epoch (astronomy)

In astronomy, an epoch is a moment in time used as a reference point for some time-varying astronomical quantity, such as the celestial coordinates or elliptical orbital elements of a celestial body, because these are subject to perturbations and vary with time.

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Fellow of the Royal Society of Edinburgh

Fellowship of the Royal Society of Edinburgh (FRSE) is an award granted to individuals that the Royal Society of Edinburgh, Scotland judges to be "eminently distinguished in their subject".

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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.

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General Catalogue of Variable Stars

The General Catalogue of Variable Stars (GCVS) is a list of variable stars.

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Glossary of astronomy

This page is a glossary of astronomy.

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Heart (Chinese constellation)

The Heart mansion (心宿, pinyin: Xīn Xiù) is one of the Twenty-eight mansions of the Chinese constellations.

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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.

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Hindu

Hindu refers to any person who regards themselves as culturally, ethnically, or religiously adhering to aspects of Hinduism.

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Hipparcos

Hipparcos was a scientific satellite of the European Space Agency (ESA), launched in 1989 and operated until 1993.

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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.

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India

India (IAST), also called the Republic of India (IAST), is a country in South Asia.

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Infrared

Infrared radiation (IR) is electromagnetic radiation (EMR) with longer wavelengths than those of visible light, and is therefore generally invisible to the human eye (although IR at wavelengths up to 1050 nm from specially pulsed lasers can be seen by humans under certain conditions). It is sometimes called infrared light.

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Interferometry

Interferometry is a family of techniques in which waves, usually electromagnetic waves, are superimposed causing the phenomenon of interference in order to extract information.

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International Astronomical Union

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.

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Iran

Iran (ایران), also known as Persia, officially the Islamic Republic of Iran (جمهوری اسلامی ایران), is a sovereign state in Western Asia. With over 81 million inhabitants, Iran is the world's 18th-most-populous country. Comprising a land area of, it is the second-largest country in the Middle East and the 17th-largest in the world. Iran is bordered to the northwest by Armenia and the Republic of Azerbaijan, to the north by the Caspian Sea, to the northeast by Turkmenistan, to the east by Afghanistan and Pakistan, to the south by the Persian Gulf and the Gulf of Oman, and to the west by Turkey and Iraq. The country's central location in Eurasia and Western Asia, and its proximity to the Strait of Hormuz, give it geostrategic importance. Tehran is the country's capital and largest city, as well as its leading economic and cultural center. Iran is home to one of the world's oldest civilizations, beginning with the formation of the Elamite kingdoms in the fourth millennium BCE. It was first unified by the Iranian Medes in the seventh century BCE, reaching its greatest territorial size in the sixth century BCE, when Cyrus the Great founded the Achaemenid Empire, which stretched from Eastern Europe to the Indus Valley, becoming one of the largest empires in history. The Iranian realm fell to Alexander the Great in the fourth century BCE and was divided into several Hellenistic states. An Iranian rebellion culminated in the establishment of the Parthian Empire, which was succeeded in the third century CE by the Sasanian Empire, a leading world power for the next four centuries. Arab Muslims conquered the empire in the seventh century CE, displacing the indigenous faiths of Zoroastrianism and Manichaeism with Islam. Iran made major contributions to the Islamic Golden Age that followed, producing many influential figures in art and science. After two centuries, a period of various native Muslim dynasties began, which were later conquered by the Turks and the Mongols. The rise of the Safavids in the 15th century led to the reestablishment of a unified Iranian state and national identity, with the country's conversion to Shia Islam marking a turning point in Iranian and Muslim history. Under Nader Shah, Iran was one of the most powerful states in the 18th century, though by the 19th century, a series of conflicts with the Russian Empire led to significant territorial losses. Popular unrest led to the establishment of a constitutional monarchy and the country's first legislature. A 1953 coup instigated by the United Kingdom and the United States resulted in greater autocracy and growing anti-Western resentment. Subsequent unrest against foreign influence and political repression led to the 1979 Revolution and the establishment of an Islamic republic, a political system that includes elements of a parliamentary democracy vetted and supervised by a theocracy governed by an autocratic "Supreme Leader". During the 1980s, the country was engaged in a war with Iraq, which lasted for almost nine years and resulted in a high number of casualties and economic losses for both sides. According to international reports, Iran's human rights record is exceptionally poor. The regime in Iran is undemocratic, and has frequently persecuted and arrested critics of the government and its Supreme Leader. Women's rights in Iran are described as seriously inadequate, and children's rights have been severely violated, with more child offenders being executed in Iran than in any other country in the world. Since the 2000s, Iran's controversial nuclear program has raised concerns, which is part of the basis of the international sanctions against the country. The Joint Comprehensive Plan of Action, an agreement reached between Iran and the P5+1, was created on 14 July 2015, aimed to loosen the nuclear sanctions in exchange for Iran's restriction in producing enriched uranium. Iran is a founding member of the UN, ECO, NAM, OIC, and OPEC. It is a major regional and middle power, and its large reserves of fossil fuels – which include the world's largest natural gas supply and the fourth-largest proven oil reserves – exert considerable influence in international energy security and the world economy. The country's rich cultural legacy is reflected in part by its 22 UNESCO World Heritage Sites, the third-largest number in Asia and eleventh-largest in the world. Iran is a multicultural country comprising numerous ethnic and linguistic groups, the largest being Persians (61%), Azeris (16%), Kurds (10%), and Lurs (6%).

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Isis

Isis was a major goddess in ancient Egyptian religion whose worship spread throughout the Greco-Roman world.

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James William Grant (astronomer)

James William Grant FRSE FRAS, 3rd Laird of Wester Elchies (1788–1865) was a Scottish astronomer and landowner.

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Johann Tobias Bürg

Johann Tobias Bürg (December 24, 1766 – November 15, 1835), sometimes known as Johannes Burg, was an Austrian astronomer.

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Jupiter

Jupiter is the fifth planet from the Sun and the largest in the Solar System.

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Jyeshtha (nakshatra)

Jyeshtha (The Eldest) is the 18th nakshatra or lunar mansion in Vedic astrology associated with the heart of the constellation Scorpii, and the stars α (Antares), σ, and τ. The symbol of Jyeshtha is a circular amulet, umbrella, or earring, and it is associated with Indra, chief of the gods.

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Koori

The Koori People are Indigenous Australians of New South Wales and Victoria.

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Latin

Latin (Latin: lingua latīna) is a classical language belonging to the Italic branch of the Indo-European languages.

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Latinisation of names

Latinisation or Latinization is the practice of rendering a non-Latin name (or word) in a Latin style.

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Limb darkening

Limb darkening is an optical effect seen in stars (including the Sun), where the center part of the disk appears brighter than the edge or limb of the image.

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List of brightest stars

This is a list of the brightest naked eye stars to +2.50 magnitude, as determined by their maximum, total, or combined apparent visual magnitudes as seen from Earth.

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List of largest stars

Below is an ordered list of the largest stars currently known by radius.

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Luminosity

In astronomy, luminosity is the total amount of energy emitted per unit of time by a star, galaxy, or other astronomical object.

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Lunar mansion

A lunar mansion is a segment of the ecliptic (often called a station or house) through which the Moon passes in its orbit around Earth, often used by ancient cultures as part of their calendar system. In general, though not always, the zodiac is divided into 27 or 28 segments relative to the fixed stars – one for each day of the lunar month.

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Mars

Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System after Mercury.

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Matariki

In the Māori language Matariki is both the name of the Pleiades star cluster and also of the season of its first rising in late May or early June.

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Māori people

The Māori are the indigenous Polynesian people of New Zealand.

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Mesopotamia

Mesopotamia is a historical region in West Asia situated within the Tigris–Euphrates river system, in modern days roughly corresponding to most of Iraq, Kuwait, parts of Northern Saudi Arabia, the eastern parts of Syria, Southeastern Turkey, and regions along the Turkish–Syrian and Iran–Iraq borders.

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Moon

The Moon is an astronomical body that orbits planet Earth and is Earth's only permanent natural satellite.

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Mu'allaqat

The Mu‘allaqāt (Arabic: المعلقات) is a group of seven long Arabic poems that are considered the best work of the pre-Islamic era.

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MUL.APIN

MUL.APIN is the conventional title given to a Babylonian compendium that deals with many diverse aspects of Babylonian astronomy and astrology.

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Nakshatra

Nakshatra (Sanskrit: नक्षत्र, IAST: Nakṣatra) is the term for lunar mansion in Hindu astrology.

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Northern Hemisphere

The Northern Hemisphere is the half of Earth that is north of the Equator.

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Occultation

An occultation is an event that occurs when one object is hidden by another object that passes between it and the observer.

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Opposition (planets)

In positional astronomy, two astronomical objects are said to be in opposition when they are on opposite sides of the celestial sphere, as observed from a given body (usually Earth).

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Orbital period

The orbital period is the time a given astronomical object takes to complete one orbit around another object, and applies in astronomy usually to planets or asteroids orbiting the Sun, moons orbiting planets, exoplanets orbiting other stars, or binary stars.

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Parallax

Parallax is a displacement or difference in the apparent position of an object viewed along two different lines of sight, and is measured by the angle or semi-angle of inclination between those two lines.

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Radial velocity

The radial velocity of an object with respect to a given point is the rate of change of the distance between the object and the point.

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Red

Red is the color at the end of the visible spectrum of light, next to orange and opposite violet.

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Red supergiant star

Red supergiants are stars with a supergiant luminosity class (Yerkes class I) of spectral type K or M. They are the largest stars in the universe in terms of volume, although they are not the most massive or luminous.

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Regulus

Regulus, also designated Alpha Leonis (α Leonis, abbreviated Alpha Leo, α Leo), is the brightest star in the constellation of Leo and one of the brightest stars in the night sky, lying approximately 79 light years from the Sun.

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Rigel

Rigel, also designated Beta Orionis (β Orionis, abbreviated Beta Ori, β Ori), is generally the seventh-brightest star in the night sky and the brightest star in the constellation of Orion—though periodically it is outshone within the constellation by the variable Betelgeuse.

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Royal stars

In astrology, the Royal Stars of Persia are Aldebaran, Regulus, Antares and Fomalhaut.

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Saros (astronomy)

The Saros is a period of approximately 223 synodic months (approximately 6585.3211 days, or 18 years, 11 days, 8 hours), that can be used to predict eclipses of the Sun and Moon.

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Scorpius

Scorpius is one of the constellations of the zodiac.

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Scorpius–Centaurus Association

The Scorpius–Centaurus Association (sometimes called Sco–Cen or Sco OB2) is the nearest OB association to the Sun.

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Serket

Serket (also known as Serqet, Selket, Selqet, or Selcis) is the goddess of fertility, nature, animals, medicine, magic, and healing venomous stings and bites in Egyptian mythology, originally the deification of the scorpion.

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Shang dynasty

The Shang dynasty or Yin dynasty, according to traditional historiography, ruled in the Yellow River valley in the second millennium BC, succeeding the Xia dynasty and followed by the Zhou dynasty.

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Sigma Scorpii

Sigma Scorpii (σ Scorpii, abbreviated Sig Sco, σ Sco), is a multiple star system in the constellation of Scorpius.

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Slow irregular variable

A slow irregular variable (ascribed the GCVS types L, LB and LC) is a variable star that exhibit no or very poorly defined periodicity in their slowly changing light emissions.

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Smithsonian Astrophysical Observatory Star Catalog

The Smithsonian Astrophysical Observatory Star Catalog is an astrometric star catalogue.

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Southern Hemisphere

The Southern Hemisphere is the half of Earth that is south of the Equator.

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Spica

Spica, also designated Alpha Virginis (α Virginis, abbreviated Alpha Vir, α Vir), is the brightest star in the constellation of Virgo and the 16th brightest star in the night sky.

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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.

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Stellar association

A stellar association is a very loose star cluster, looser than both open clusters and globular clusters.

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Stellar classification

In astronomy, stellar classification is the classification of stars based on their spectral characteristics.

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Sun

The Sun is the star at the center of the Solar System.

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Supergiant star

Supergiants are among the most massive and most luminous stars.

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Supernova

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.

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Tau Scorpii

Tau Scorpii (τ Sco, τ Scorpii) is a star in the southern zodiac constellation of Scorpius.

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Variable star designation

Variable stars are designated using a variation on the Bayer designation format of an identifying label (as described below) combined with the Latin genitive of the name of the constellation in which the star lies.

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Venus

Venus is the second planet from the Sun, orbiting it every 224.7 Earth days.

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Washington Double Star Catalog

The Washington Double Star Catalog, or WDS, is a catalog of double stars, maintained at the United States Naval Observatory.

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2MASS

The Two Micron All-Sky Survey, or 2MASS, was an astronomical survey of the whole sky in the infrared spectrum and one of the most ambitious such projects.

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Redirects here:

21 Sco, 21 Scorpii, Alpha Scorpii, Alpha Scorpii A, Antares (star), Antares A, Boegdator, Bogdator, Calbalacrab, Demon Antares, HIP 80763, SAO 184415, Satevis, Α Sco, Α Scorpii.

References

[1] https://en.wikipedia.org/wiki/Antares

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