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Constellations and Their Stars
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Andromeda
Contains Alpheratz and the Andromeda Galaxy, the nearest spiral galaxy to the Milky Way. Symbolizes the princess Andromeda in mythology.
Draco
Thuban was the North Star around 2700 BCE. Draco is a circumpolar constellation to many northern observers and symbolizes a dragon.
Boötes
Arcturus is the brightest star in this constellation. Boötes looks like a kite or an ice cream cone in the sky and is also known as the herdsman or plowman.
Pegasus
Contains the stars Markab, Scheat, and Algenib. Named after the mythical winged horse, it is also known for the Pegasus Square, an asterism.
Perseus
Contains the stars Mirfak and Algol. Algol is known as the 'Demon Star' and is an eclipsing binary with regular brightness dips.
Libra
Zubenelgenubi and Zubeneschamali are the major stars. In ancient times, it was seen as the Scorpion's claws. Libra represents the scales of justice.
Pisces
Contains the stars Alpherg and Alrisha. Represents two fish tied together with a cord in mythology and is part of the Zodiac.
Cetus
Major stars: Deneb Kaitos and Menkar. Cetus represents a sea monster in Greek mythology and spans a large region of the sky.
Taurus
Major stars include Aldebaran, Elnath, and the Pleiades star cluster. Taurus hosts the Crab Nebula, the remnant of a supernova explosion.
Aquarius
Major stars include Sadalsuud, Sadalmelik, and Aquarii. Best known for its depiction as the water bearer, it is also part of the Zodiac.
Cassiopeia
Contains the star Schedar and is known for its distinctive 'W' shape. Cassiopeia is circumpolar for many northern observers, meaning it never sets below the horizon.
Sagittarius
Major stars are Kaus Australis and Nunki. Known as 'The Archer,' it resembles a teapot asterism and is rich in deep-sky objects due to its location towards the center of the Milky Way.
Canis Major
Home to Sirius, the brightest star in the nighttime sky. Also contains the star Adhara. The constellation represents Orion's Greater Dog in mythology.
Ophiuchus
Major stars include Rasalhague and Sabik. Often referred to as the 'Serpent Bearer' and is the only constellation that intersects with the ecliptic without being part of the traditional Zodiac.
Crux
Contains Acrux and the Jewel Box Cluster. Also known as the Southern Cross, it guides navigation in the Southern Hemisphere.
Serpens
Contains Unukalhai and Alya. Unique for being split into two non-contiguous parts, Serpens Caput (the head) and Serpens Cauda (the tail), divided by Ophiuchus.
Cygnus
Deneb, one of the brightest stars and part of the Summer Triangle, is in this constellation. Cygnus contains Cygnus X-1, a famous X-ray source.
Cancer
Contains the stars Al Tarf and Acubens. Notable deep-sky object: The Beehive Cluster (M44). In mythology, Cancer represents the crab that battled Hercules.
Carina
Home to Canopus, the second-brightest star in the night sky, and the Carina Nebula. Part of the former larger constellation, Argo Navis, representing a ship's keel.
Aries
Major stars include Hamal and Sheratan. Aries represents the ram with the Golden Fleece in mythology and is part of the Zodiac.
Hydra
Major stars include Alphard and Hydrae. Hydra is the largest of the 88 modern constellations and represents the Lernaean Hydra from Greek mythology.
Scorpius
Major stars: Antares, Shaula, and Sargas. Scorpius is a bright constellation and part of the Zodiac, known for its distinctive scorpion shape.
Centaurus
Major stars include Alpha Centauri and Beta Centauri. It is known for Alpha Centauri, the nearest star system to the Solar System.
Ursa Major
Contains the Big Dipper asterism; major stars are Dubhe, Merak, and Alkaid. Ursa Major is part of the Ursa Major family of constellations.
Virgo
Spica is the brightest star in this constellation. It represents a maiden associated with fertility and agriculture in mythology.
Capricornus
Major stars include Algedi and Deneb Algedi. It has a distinctive triangular outline and represents the 'Sea-Goat' in mythology.
Orion
Major stars include Betelgeuse, Rigel, and Bellatrix. Orion is also home to the Orion Nebula, a place where new stars are formed.
Lyra
Features Vega, one of the brightest stars in the sky, and the Ring Nebula (M57). The constellation is sometimes represented as a vulture or an eagle carrying a lyre.
Gemini
Has the bright stars Castor and Pollux. Represents the mythological twins Castor and Pollux.
Leo
Major stars include Regulus and Denebola. Leo is one of the zodiac constellations and is symbolic of a lion.
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