a hydra depending on the species can be a multitude of colors, green is just the most common. Hydra is actually a genus of many species.
Gamma Hydrae is a white giant star with a spectral classification of A2 III. It is located approximately 132 light years away from Earth in the constellation Hydra. The star is significantly larger and brighter than the Sun.
Alphard is the brightest star in the constellation Hydra.It's designation or letter is Alpha Hydrae
Alpha Hydrae (Alphard) is a red giant star located in the constellation Hydra. It has a diameter that is estimated to be around 50 times that of the Sun.
as old as my dick
Sigma and Hydrae
alpha beta hydrae draconis
The color of the star Indicates its Temperature.
the color of the star regulus is blue-white
the color of the star regulus is blue-white
The color of Bernard's the star is red.
The hotter the star, the closer to white the color.
the color of a young star is *bluish white*