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(astronomy) θ¹ Eridani, one of the two components of the binary system Theta Eridani in the constellation of Eridanus.
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(astronomy, historical) Beta Scorpii, a multiple star system in the southern zodiac constellation of Scorpius.
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Zeta Leonis, a star in the constellation of Leo.
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The second-brightest star in the constellation of Canis Major.
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Eta Lyrae, a likely binary star system in the northern constellation of Lyra.
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(astronomy) A binary star in the constellation Cygnus; Beta (β) Cygni.
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A star in the constellation of Cepheus.
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(astronomy) Beta Cephei Aa, the second component of the binary pair within Beta Cephei, a triple star system in the constellation of Cepheus.
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(astronomy) A β Cephei variable subgiant, visible as a third-magnitude blue-white star in the northern constellation of Pegasus, one of four stars in the asterism of the Great Square of Pegasus.
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(astronomy) Gamma Leonis, a binary star system in the constellation of Leo.
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Alpha Capricorni, a double star in the constellation of Capricorn.
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(astronomy) An eclipsing binary star in the constellation of Perseus; Beta (β) Persei. It represents the eye of Medusa, whose head is being held by Perseus.
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The third brightest star in the constellation of Gemini
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(astronomy) Epsilon Ursae Majoris, the brightest star in Ursa Major.
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Epsilon Cygni Aa, a component of the star system Epsilon Cygni.
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(astronomy) A star in the constellation of Ursa Major, the east-most star of the Plough
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(astronomy) A second-magnitude quadruple star, telescopically visible as an apparent double star composed of an orange bright giant and a fifth-magnitude blue-white triple star, marking the left foot of the chained woman in the northern constellation of Andromeda.
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(astronomy) A bluish-white binary star in the constellation Centaurus; Zeta (ζ) Centauri.
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(astronomy) A large blue star in the constellation of Orion; Epsilon (ε) Orionis. It is one of the three stars that form Orion's Belt.
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(astronomy) A triple star in the constellation of Orion; Zeta (ζ) Orionis. It is one of the three stars that form Orion's Belt.
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a star in the constellation Scorpio
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(informal) Abbreviation of Alpha Centauri. [(astronomy) The brightest star in the southern constellation of Centaurus. It is actually a binary star with Proxima Centauri as a third component.]
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(astronomy) The brightest star in the southern constellation of Centaurus. It is actually a binary star with Proxima Centauri as a third component.
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(astronomy) The brightest star in the southern constellation of Centaurus. Alpha Centauri is actually a binary star with Alpha Centauri C or Proxima Centauri as a third component. Alpha Centauri A is the brightest star of the system and is somewhat brighter than our sun. Alpha Centauri B is somewhat fainter than Alpha Centauri A but much brighter than Proxima Centauri.
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(astronomy) The brightest star in the southern constellation of Centaurus. Alpha Centauri is actually a binary star with Proxima Centauri as a third component. Alpha Centauri B is less bright than Alpha Centauri A and is somewhat less bright than our sun.
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(astronomy) The star Proxima Centauri
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(astronomy) An orange giant star in the constellation of Hydra; Alpha (α) Hydrae.
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(astronomy) Alternative spelling of Alpheratz. [(astronomy) A spectroscopic binary, visible as a second-magnitude blue-white star marking the head of the chained woman in the northern constellation of Andromeda (formerly seen as part of Pegasus), one of four stars in the asterism of the Great Square of Pegasus.]
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(astronomy) A spectroscopic binary, visible as a second-magnitude blue-white star marking the head of the chained woman in the northern constellation of Andromeda (formerly seen as part of Pegasus), one of four stars in the asterism of the Great Square of Pegasus.
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(astronomy) A binary star in the constellation Pisces; alpha (α) Piscium.
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Beta Aquilae, a star in the constellation Aquila
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(astronomy) The brightest star in the constellation Aquila; Alpha (α) Aquilae. It is the twelfth brightest star in the sky, and forms one corner of the Summer Triangle.
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(astronomy) A star in the constellation of Canis Majoris.
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(astronomy) A constellation of the northern sky representing the "chained woman" Andromeda in Greek mythology, which is surrounded by the constellations of Cassiopeia, Perseus, and Pegasus, among others.
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(astronomy) Alpha Scorpii (α Sco), the brightest star in the constellation Scorpius. It is a M type red giant, and is a binary with a B type companion visible in greenish.
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(historical, astronomy) A constellation created by the emperor Hadrian, now considered by astronomers to be a part of Aquila.
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(astronomy) A faint winter constellation of the northern sky, said to resemble a pump. The common English name is "Air pump".
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(astronomy) A constellation of the zodiac, supposedly shaped like a water carrier.
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(astronomy) A summer constellation of the northern sky, said to resemble an eagle. It includes the star Altair.
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A meteor forming part of a meteor shower appearing to originate from the constellation Aquila.
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(astronomy) A constellation of the southern sky, said to resemble an altar.
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(astronomy) A bright yellow-orange star in the constellation Boötes; Alpha (α) Boötis. It is the fourth-brightest star in the night sky.
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(astronomy) Argo Navis, a large constellation in the southern hemisphere, now divided into Carina, Puppis, and Vela.
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(astronomy): A former constellation of the southern sky, said to represent the mythical ship Argo. In 1763, it was divided into the three new constellations: Carina (keel), Puppis (stern), and Vela (sail).
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(astronomy) A constellation of the zodiac supposedly shaped like a ram.
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A meteor forming part of a meteor shower appearing to originate from the constellation Aries.
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Alpha Leporis, the brightest star in the constellation of Lepus.
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(astronomy) Zeta Sagittarii A, a component of the triple star system Zeta Sagittarii.
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(astronomy) Iota Carinae, a star in the constellation of Carina.
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(astronomy) The primary component of the binary portion of the triple star system Omicron Persei.
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(astronomy) A triple star system in the Pleiades open cluster (M45) also known as 27 Tauri.
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(astronomy) A winter constellation of the northern sky, said to resemble a charioteer. It includes the star Capella.
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(astronomy) The first component of Pi¹ Cygni, a binary star in the northern constellation of Cygnus.
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(astronomy) A blue eruptive variable star, the third brightest star in the constellation Orion; Gamma (γ) Orionis.
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(astronomy) The fourth-brightest star in the constellation Canis Major.
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A blue giant star about 500 light years away that is the second brightest star in the constellation of Centaurus
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A binary star system approximately 882 light-years away in the constellation Lyra.
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(astronomy) A bright-red supergiant intrinsic variable star, the second brightest star in the constellation Orion; Alpha (α) Orionis. It is the tenth brightest star in the nighttime, and one of the largest stars known.
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(astronomy, especially US) A bright circumpolar asterism of the northern sky, said to resemble a ladle or cart. It is part of the constellation Ursa Major and includes the stars Mizar, Dubhe, and Alkaid. The other stars in it are Alioth, Megrez, Merak, and Phecda.
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(astronomy) a Chinese constellation making up one of the Four Symbols of Chinese astronomy
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(astronomy) A circumpolar constellation of the northern sky, called the “bear-guard” or the “herdsman”. It includes the fourth-brightest star in the night sky, Arcturus.
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(astronomy) Xi Aquarii A, one of the stars in the binary star system Xi Aquarii.
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(astronomy) A summer constellation of the southern sky, said to resemble a chisel.
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(astronomy) A faint circumpolar constellation of the northern sky, said to resemble a giraffe.
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(astronomy) A dim spring constellation of the northern sky, said to resemble a pair of hunting dogs (Chara and Asterion) held on a leash by Boötes and following the bear Ursa Major.
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(astronomy) A winter constellation of the northern sky, said to resemble a dog following the hunter Orion. It includes the brightest star in the night sky, Sirius (sometimes called the Dog Star).
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(astronomy) A small winter constellation of the northern sky, said to resemble a dog following the hunter Orion. It is most notable for including the eighth brightest star in the night sky, Procyon.
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(astronomy) A yellowish-white supergiant star in the constellation Carina; Alpha (α) Carinae. It is the second brightest star in the night sky.
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(astronomy): A bright double star in the constellation Auriga; Alpha (α) Aurigae.
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(astronomy) A summer constellation of the southern sky, said to resemble the keel of a ship. It contains the star Canopus, the second brightest star in the night sky. Until 1763, it was part of a larger constellation, Argo Navis.
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(astronomy) A circumpolar constellation of the northern sky representing Queen Cassiopeia from Greek myth. The constellation lies between Cepheus and Perseus.
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(astronomy) A group of six stars in Cassiopeia, somewhat resembling a chair.
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(astronomy) A double star in the constellation Gemini; alpha (α) Geminorum.
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Beta Ophiuchi, a star in the equatorial constellation of Ophiuchus.
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(astronomy) A spring constellation of the northern sky (and autumn of the southern sky) with the outline of a centaur. It includes the stars Alpha Centauri and Proxima Centauri.
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(astronomy) A circumpolar constellation of the northern sky, located between Draco and Cassiopeia and representing the king Cepheus from Greek myth.
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Abbreviation of Cetus. [(astronomy) A winter constellation of the northern sky, said to resemble a whale. It includes the star Mira.]
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(astronomy) A winter constellation of the northern sky, said to resemble a whale. It includes the star Mira.
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(astronomy) A small circumpolar constellation of the southern sky, imagined to resemble a chameleon, which lies south of the constellations Carina and Musca.
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(astronomy) A bright circumpolar asterism of the northern sky, said to resemble a wagon or cart. It is part of the constellation Ursa Major and includes the seven stars Dubhe, Merak, Phecda, Megrez, Alioth, Mizar, and Alkaid.
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(astronomy, astrology) A centaur (minor planet) and comet-like/asteroid-like object, orbiting between Saturn and Uranus.
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(astronomy) A small constellation of the southern winter sky, said to resemble a compass. It lies between the constellations of Centaurus and Triangulum Australe.
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The dark nebula near the constellation of the Southern Cross.
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(astronomy) A small dim summer constellation of the northern sky, said to represent an offering of hair from Queen Berenice II of Egypt. Originally considered to represent the tuft of hair on the end of Leo's tail.
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(astronomy) The brightest star in the constellation Canes Venatici; Alpha (α) Canum Venaticorum (2.90ᵐ).
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(astronomy) A small summer constellation of the northern sky said to resemble a crown.
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(astronomy) A constellation of the southern sky south of the constellation Virgo, said to resemble a crow.
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(astronomy, constellations) Abbreviation of Crux. [(astronomy) A distinctive winter constellation of the southern sky, shaped like a cross. It appears in the flags of several countries in Oceania.]
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(astronomy) A distinctive winter constellation of the southern sky, shaped like a cross. It appears in the flags of several countries in Oceania.
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(astronomy) Omega Herculis A, one of the two components of this system.
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(astronomy) Beta Eridani, the second-brightest star in the constellation of Eridanus.
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(astronomy) A summer constellation of the northern sky, said to resemble a swan. It includes the triple star system HD 188753 and the stars Deneb and Albireo.
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(usually capitalized) Ursa Minor or Polaris, the North Star, used as a guide by navigators.
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(Egyptology, astrology) One of a collection of 36 small constellations or zodiacal subdivisions that appear heliacally at intervals of 10 days or are separated by approximately 10 degrees.
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(astronomy) a star that is usually the fourth brightest of a constellation.
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(astronomy) A blue giant star in the constellation Cygnus; Alpha (α) Cygni. It forms one corner of the Summer Triangle. Deneb is one of the brightest stars in the night sky, and one of the most luminous stars known.
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The brightest star in the constellation Cetus.
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Eta Aquilae, a supergiant star in the constellation of Aquila.
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The brightest star in the constellation of Cetus.
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(astronomy) A Chinese constellation located near Sagittarius, one of the 28 lunar mansions and part of the larger Black Turtle.
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(astronomy) A small constellation of the southern sky, said to resemble a goldfish or swordfish. It lies between the constellations Pictor and Reticulum, and is notable for containing most of the Large Magellanic Cloud.
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A constellation in the Southern Hemisphere near Caelum and Puppis.
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(astronomy, obsolete, especially US) A bright circumpolar asterism of the northern sky. It is part of the constellation Ursa Major and includes the stars Alkaid, Mizar, Alioth, Megrez, Dubhe, Merak, and Phecda.
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A star in the constellation Scorpio.
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(astronomy) A multiple star in the constellation of Ursa Major and part of the Plough; Alpha (α) Ursae Majoris.
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(astronomy) Initialism of Edgeworth-Kuiper object. [(astronomy) Synonym of Kuiper belt object]
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(astronomy) One of the stars in the Pleiades star cluster.
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(US, regional) The three stars in the belt of the constellation Orion.
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(astronomy) The second-brightest star in the constellation of Taurus.
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(astronomy) An orange giant star, the brightest in the constellation of Draco.
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(astronomy) A type-LC irregular variable supergiant, visible as a second-magnitude orange star, or telescopically as an apparent triple star, marking the nose of the horse in the northern constellation of Pegasus.
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The morning star (Phosphorus, Venus).
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(astronomy) The second smallest constellation of the northern sky, said to resemble a little horse. It lies west of the constellation Aquarius.
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Alternative form of Eridanus [(astronomy) A large winter constellation of the northern sky. It lies near Orion and Cetus.]
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(astronomy) A large winter constellation of the northern sky. It lies near Orion and Cetus.
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Alternative form of Eltanin (“star in the constellation of Draco”) [(astronomy) An orange giant star, the brightest in the constellation of Draco.]
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Alternative form of Eltanin (“star in the constellation of Draco”) [(astronomy) An orange giant star, the brightest in the constellation of Draco.]
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(astronomy) The brightest star in the constellation Piscis Austrinus and one of the brightest stars in the night sky; Alpha (α) Piscis Austrini.
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(astronomy) A winter constellation of the southern sky, said to resemble a furnace. It lies near the constellation Eridanus.
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(informal, astronomy) Any astronomical object, on the edge of the Kuiper Belt, whose orbit has a 1:4 resonance with the planet Neptune.
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(astronomy) Zeta Canis Majoris, a binary star system in the southern constellation of Canis Major.
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Abbreviation of Gamma Crucis. a red giant star approximately 88 light-years away in the constellation of Crux
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Mu Cephei, a star in the constellation of Cepheus.
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(astronomy) A bright binary star in the constellation Corona Borealis; Alpha (α) Coronae Borealis.
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The binary star Gamma Corvi.
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Beta Canis Minoris, a star in the constellation of Canis Minor.
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(astronomy) A bright circumpolar asterism of the northern sky, said to resemble a large bear. It is part of the constellation Ursa Major and includes the stars Mizar, Dubhe, and Alkaid.
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(astronomy) Xi Draconis A, a component of the binary star Xi Draconis in the northern circumpolar constellation of Draco.
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The second brightest star in the constellation of Centaurus, Beta Centauri
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(astronomy) The star Zeta Ophiuchi in traditional Chinese astronomy, named for this state
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(astronomy) A summer constellation of the northern sky, said to resemble the mythical hero. It lies between the constellations Lyra and Corona Borealis.
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(astronomy) An open cluster of stars in the constellation Taurus, and the nearest visible such cluster to Earth.
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(astronomy) A spring constellation of the northern sky, said to resemble a serpent. It lies just south of the zodiac and contains the star Alphard.
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(astronomy) A winter constellation of the southern sky, said to resemble a small serpent. It lies between the constellations Mensa and Tucana. It is not to be confused with the constellation Hydra.
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(astronomy) A constellation of the southern sky between Grus and Pavo.
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Alpha Equulei, a star in the constellation of Equuleus.
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Beta Ursae Minoris, the second-brightest star in the constellation Ursa Minor.
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(astronomy) An inconspicuous autumn constellation of the northern sky, said to resemble a lizard. It lies between the constellations of Cygnus and Andromeda.
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(astronomy) A spring constellation of the northern sky, said to resemble a small lion. It lies north of the constellation Leo and south of Ursa Major.
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(astronomy) The meteor shower that appears to originate from the constellation of Leo.
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(astronomy) A winter constellation of the northern sky, said to resemble a rabbit. It lies south of the constellation Orion.
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(astronomy) Upsilon Scorpii, a star in the constellation Scorpius.
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The constellation Ursa Minor.
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A star system in Aquarius constellation, Orion Arm, Milky Way Galaxy
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(astronomy) A summer constellation of the southern sky, said to resemble a wolf. It lies south of the constellation Libra.
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(astronomy) A faint spring constellation of the northern sky. It lies north of the constellation Cancer.
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(astronomy) A summer constellation of the northern sky, said to resemble a lyre. It includes the bright star Vega and the Ring Nebula.
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Alternative form of Lyrid [(astronomy) A shooting star or meteor observed as originating from the constellation Lyra, and belonging to the meteor shower seen each April.]
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(astronomy, by extension) The three bright stars (Alnitak (ζ Ori), Alnilam (ε Ori), and Mintaka (δ Ori)) that form Orion's Belt in the Orion constellation.
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(astronomy) A star in the constellation Taurus. It is the fourth brightest star in the Pleiades cluster.
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(astronomy) Alternative spelling of Markab. [(astronomy) A subgiant, visible as a second-magnitude bluish star in the northern constellation of Pegasus, one of four stars in the asterism of the Great Square of Pegasus, one of the lunar stars observed in navigation.]
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(astronomy) Lambda Ophiuchi, a triple star system in the equatorial constellation of Ophiuchus.
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(astronomy) A star in the constellation Puppis; Kappa (κ) Puppis.
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Alternative form of Markab [(astronomy) A subgiant, visible as a second-magnitude bluish star in the northern constellation of Pegasus, one of four stars in the asterism of the Great Square of Pegasus, one of the lunar stars observed in navigation.]
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(astronomy) A star in the constellation of Ursa Major and part of the Plough.
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(astronomy) A traditional name of the star Beta Aurigae.
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Alpha Ceti, a red giant star in the constellation of Cetus
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(astronomy) A summer constellation of the southern sky, originally named after Table Mountain in South Africa. It lies between the constellations of Hydrus and Volans.
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(astronomy) The least bright star in the cluster in Taurus known as the Pleiades.
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(astronomy) γ² Arietis, a component of the star Gamma Arietis.
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(planets) A planet in PSR B1620-26 star system, Messier 4 globular cluster, Milky Way Galaxy, Scorpius constellation; the oldest planet discovered at the time of discovery in 2003; a circumbinary planet orbiting a pulsar (“PSR B1620-26 A”) and white dwarf (“WD B1620-26 B”).
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(astronomy) A faint constellation of the southern spring sky, said to resemble a microscope. It lies south of the constellation of Capricornus.
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(astronomy) A multiple star in the constellation of Orion; Delta (δ) Orionis. It is one of the three stars that form Orion's Belt.
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(astronomy) A binary star in the constellation Cetus, Omicron (ο) Ceti. The system contains a variable red giant and a white dwarf. Its brightness varies from a magnitude 2 at its brightest to a magnitude 10 at its dimmest.
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(astronomy) A red giant, visible as a second-magnitude orange-red star marking the waist or girdle of the chained woman in the northern constellation of Andromeda.
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(astronomy) Epsilon Boötis, a binary star in the northern constellation of Boötes.
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(astronomy) Alpha Persei, a yellow supergiant star in the constellation of Perseus.
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(astronomy) Synonym of Beta Canis Majoris.
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(astronomy) A binary star in the constellation Ursa Major; Zeta (ζ) Ursae Majoris.
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(astronomy) A winter constellation of the northern sky, said to resemble a unicorn. It lies amid the Milky Way, just east of the constellation Orion.
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(astronomy) An autumn constellation of the southern sky, said to resemble a fly, between the constellations of Carina and Apus.
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A double star in the constellation of Centaurus.
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Gamma Capricorni, a giant star in the constellation of Capricornus.
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(archaeology) A bronze disc featuring gold symbols inlaid on a blue-green patina, generally interpreted as depicting the Sun or full moon, a lunar crescent and stars (including a group that may be the Pleiades), dated to circa 1800–1600 BCE and attributed to the Unetice culture of the early European Bronze Age.
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(astronomy) Beta Boötis, a star in the northern constellation of Boötes.
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Beta Leporis, the second-brightest star in the constellation of Lepus.
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(astronomy) An inconspicuous constellation of the southern sky, said to resemble a carpenter's square. It lies south of the constellations Scorpius and Centaurus.
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(astronomy) A summer asterism of the northern sky, said to resemble a cross. It includes the stars Deneb and Albireo.
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(astronomy, especially Asia) A bright circumpolar asterism of the northern sky, said to resemble a ladle. It is part of the constellation Ursa Major and includes the stars Alkaid, Mizar, Alioth, Megrez, Dubhe, Merak, and Phecda.
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(astronomy, obsolete) The Big Dipper.
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Beta Coronae Borealis, a binary star in the constellation of Corona Borealis.
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(astronomy) A zodiacal constellation of the northern summer said to depict a man (Asclepius) holding a serpent; the serpent is the constellation Serpens.
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An asterism in the constellation Orion, consisting of the three bright stars Alnitak, Alnilam and Mintaka.
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An exoplanet in the Pegasus constellation, HD 209458 b.
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(astronomy) A constellation of the southern sky, said to resemble a peacock. It lies between the constellations Telescopium and Octans.
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(astronomy) A constellation of the northern sky, near the vernal equinoctial point, representing the winged horse. Its three brightest stars, with the brightest star of Andromeda, form the asterism of the Great Square of Pegasus.
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(astronomy) Any of the meteors in a meteor shower that appears to come from the constellation Perseus.
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(astronomy) An autumn constellation of the northern sky, said to resemble the mythical hero. It includes the stars Algenib and Algol.
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Gamma Ursae Majoris, a star in the constellation of Ursa Major.
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(astronomy) Gamma Ursae Minoris, a star in the northern circumpolar constellation of Ursa Minor.
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(astronomy) A spring constellation of the southern sky, said to resemble the mythical bird. It lies north of Tucana.
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(astronomy) Alternative form of Furud [(astronomy) Zeta Canis Majoris, a binary star system in the southern constellation of Canis Major.]
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(astronomy) A summer constellation of the southern sky, said to resemble an easel. It lies between the constellations Carina and Dorado.
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(astronomy) An autumn constellation of the northern sky, said to resemble a fish. It contains the star Fomalhaut.
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(astronomy) An open cluster of hot blue stars in the constellation Taurus, and the most easily visible such cluster from Earth.
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a binary star in the Pleiades star cluster in the constellation Taurus.
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(astronomy, Britain, common name) The brightest seven stars of the constellation Ursa Major. They are Alkaid, Mizar, Alioth, Megrez, Dubhe, Merak, and Phecda.
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(astronomy) A star in the constellation Gemini; beta (β) Geminorum.
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(astronomy) Gamma Virginis, a star in the constellation Virgo.
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(astronomy) A star in the constellation Canis Minor; Alpha (α) Canis Minoris. The eighth brightest star in the night sky.
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(astronomy) A winter constellation of the northern sky, said to resemble the stern of a ship. Until 1763, it was part of a larger constellation, Argo Navis.
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(astronomy) A spring constellation of the southern sky, said to resemble the compass of a ship. It is associated with the larger Argo Navis, although it was never officially part of that constellation.
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(astronomy, obsolete) A former constellation between Boötes and Draco, near the tail of Ursa Major.
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The constellation Aries.
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Alpha Ophiuchi, a binary star and the brightest star in the constellation of Ophiuchus.
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Beta Draconis A, one of the two components of the binary star system Beta Draconis.
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(astronomy) The nebula and binary star HD 44179.
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(astronomy) A star in the constellation Leo; alpha (α) Leonis.
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(Chinese, astronomy) Classified as two of 23 "Southern Asterisms" (近南極星區, Jìnnánjíxīngqū)
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(astronomy) A blue supergiant star in the constellation Orion; Beta (β) Orionis. The seventh brightest star in the night sky.
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Beta Delphini A, one of the two components of a binary star in the constellation of Delphinus.
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A component of the binary star system Delta Cassiopeiae.
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Alpha Sagittarii, a star in the constellation of Sagittarius.
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Eta Ophiuchi, a binary star in the constellation of Ophiuchus.
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γ Aqr Aa, the primary component of this star system.
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(astronomy) Alpha Aquarii, a star in the constellation of Aquarius.
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(astronomy) Beta Aquarii, a star in the constellation of Aquarius.
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The second brightest star in the constellation of Cygnus
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(astronomy) A small autumn constellation of the northern sky, said to resemble an arrow. It lies between the constellations of Vulpecula and Aquila.
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(astronomy) A constellation of the zodiac, roughly shaped like a scorpion. Its brightest star is the red giant Antares.
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(astronomy) A dim spring constellation of the southern sky. It lies between Aquarius and Phoenix and lies in the direction of the southern pole of the Milky Way.
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(astronomy) A small autumn constellation of the northern sky, said to resemble a shield. It lies between the constellations of Aquila, Sagittarius, and the tail of Serpens.
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(astronomy) A large summer constellation of the northern sky said to resemble a snake. It is the only constellation consisting of two parts (Serpens Caput and Serpens Cauda) separated by the constellation Ophiuchus, representing the snake handler Asclepius.
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(astronomy, obsolete) A zodiacal constellation of the northern summer said to depict a man holding a serpent; the serpent is the constellation Serpens.
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The constellation Ursa Major.
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(astronomy) A dim spring constellation of the northern sky, said to resemble a sextant. It lies south of the constellation of Leo.
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(astronomy) Abbreviation of Sagittarii. (the genitive form of the IAU constellation Sagittarius)
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(astronomy) Lambda Scorpii, a triple star system and the second-brightest object in the constellation of Scorpius.
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(astronomy) A binary star system in the constellation Canis Major
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(astronomy) Synonym of Alpheratz.
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(astronomy) A distinctive winter constellation of the southern sky, shaped like a cross, which appears in the flags of several countries in Oceania.
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(astronomy) A binary star in the constellation Virgo; alpha (α) Virginis.
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The god of the wandering star Hermaon, or planet Mercury
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Alpha Delphini, a multiple star system in the constellation of Delphinus.
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(ethnoastronomy) A Japanese traditional constellation, equivalent of the Western asterism the Pleiades (“the Seven Sisters”) (an open cluster)
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The multiple star system Omicron Leonis.
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(uranography) A bright asterism of the northern summer sky. Its corners are the three 1st-magnitude stars Altair (α Aql), Deneb (α Cyg), and Vega (α Lyr).
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(astronomy) Chiefly written τ: used to designate the nineteenth star (usually according to brightness) in a constellation.
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(astronomy): A constellation of the zodiac supposedly shaped like a bull and containing the star Aldebaran.
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A triple star system in the constellation Taurus and a member of the Pleiades cluster.
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(astronomy) A white giant star in the constellation Draco; Alpha (α) Draconis. It was the pole star 5000 years ago.
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(astronomy) An autumn constellation of the northern sky whose brightest three stars form a small triangle. The constellation lies near Perseus, between Aries and Andromeda.
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(astronomy) A winter constellation of the southern sky, which has three bright stars that form a triangle. It lies north of the constellation Apus, between Ara and Circinus.
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The seven principal stars in the constellation Ursa Major
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(astronomy) A spring constellation of the southern sky, said to resemble a toucan. It lies south of the constellations Phoenix and Grus.
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(astronomy) A large circumpolar constellation of the northern sky, said to resemble a bear. It includes the familiar asterism the Big Dipper and the stars Mizar, Dubhe, and Alkaid.
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(astronomy) A circumpolar constellation of the northern sky, said to resemble a bear. It includes the familiar asterism the Little Dipper and, as part of it, the northern pole star Polaris.
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(astronomy) The brightest star in the constellation Lyra; Alpha (α) Lyrae. It forms one corner of the Summer Triangle.
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(astronomy) A spring constellation of the northern sky, said to resemble the sails of a ship. Until 1763, it was part of a larger constellation, Argo Navis.
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Epsilon Virginis (ε Vir, ε Virginis), a star in the zodiac constellation of Virgo.
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(astronomy) Any meteor of a group of meteor showers emanating mostly from the constellation Virgo between February and May.
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(astronomy) A small circumpolar constellation of the southern sky, said to resemble a flying fish.
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(astronomy) A faint autumn constellation in the northern sky.
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(astronomy) A bright circumpolar asterism of the northern sky, said to resemble a ladle or cart. It is part of the constellation Ursa Major and includes the stars Mizar, Dubhe, and Alkaid.
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(astronomy) The constellation Auriga.
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(astronomy) Short for Charles' Wain. [(astronomy) A bright circumpolar asterism of the northern sky, said to resemble a wagon or cart. It is part of the constellation Ursa Major and includes the seven stars Dubhe, Merak, Phecda, Megrez, Alioth, Mizar, and Alkaid.]
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(astronomy) Beta Columbae, the second-brightest star in the southern constellation of Columba.
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(astronomy) Delta Canis Majoris, the third-brightest star in the constellation of Canis Majoris.
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Alternative form of Wazn (“the star Beta Columbae”) [(astronomy) Beta Columbae, the second-brightest star in the southern constellation of Columba.]
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(astronomy) An asterism with vertices at Rigel, Aldebaran, Capella, Pollux, Procyon, and Sirius.
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[the W- T-] (uranography) A bright asterism of the northern winter sky. Its corners are the three 1st-magnitude stars Betelgeuse (α Ori), Procyon (α CMi), and Sirius (α CMa).
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(astronomy) Synonym of Dorado (“constellation of the southern sky”)
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Delta Ursae Minoris, a star in Ursa Minor.
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Eta Virginis, a triple star system in the constellation of Virgo.
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Gamma Eridani, a variable star in the constellation of Eridanus.
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Beta Virginis, a star in the equatorial constellation of Virgo.
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A star in the constellation Gemini.
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Delta Leonis, a star in the zodiac constellation of Leo.
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(astronomy) A binary star in the constellation Libra; alpha (α) Librae.
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(astronomy) The brightest star in the constellation Libra; beta (β) Librae.
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(astronomy) The brightest star system in the southern constellation of Centaurus.
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