The seven main stars in hydra are:-
* Alphard - Alfard, Kalbelaphard, Cor Hydrae * γ Hya - Dhanab al Shuja, Cauda Hydrae * ζ Hya - Hydrobius * ν Hya - Sherasiph, Pleura * π Hya - Sataghni, Markeb * ε Hya - Ashlesha * ξ Hya
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18 is the stars of the constellation hydra
127
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Sigma and Hydrae
Hydra is a constellation made up of many stars. Each star is a different distance from us, so it's impossible to answer how far away it is.
7
The Hydra was not 'owned'; it was a monster spawned by Typhoeus and Ekhidna, as it was a adversary of Hercules, it was favored by Hera and put among the stars.
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Hydra.
The many-headed hydra is a fearsome creature.
Hydra was a many headed serpent in Greek mythology
The constellation with the most stars is Hydra, which is the largest constellation in the sky. It is located in the southern celestial hemisphere and contains about 270 stars visible to the naked eye.