Hydra
Hydra
No it is Charon
sponge,scyon,hydra
Hydra
A hydra depending on the species can be a multitude of colors, green is just the most common.
The largest constellation in the night sky is Hydra. It is also the largest of the 88 modern constellations, covering nearly 1303 square degrees of the celestial sphere. Hydra is best viewed from the Southern Hemisphere during autumn and winter.
3. Charon the largest then Nix and Hydra.
The largest of all of the constellations is Hydra. It was named after a sea serpent that was found by Hercules.
The largest constellation in the sky is Hydra, covering over 1,300 square degrees of the night sky. Hydra is a long and winding constellation that stretches through a large portion of the southern celestial hemisphere.
Kingdom:AnimaliaPhylum:CnidariaClass:HydrozoaOrder:AnthomedusaeFamily:HydridaeGenus:species:Hydraamericana
18 is the stars of the constellation hydra