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.
it is a single layered organism.
so it doesn't have a specific colour.
pink
Each hydra head has a certain associated color, red or blue, that determines whether or not the hydra will continue after the header is called (red being continue, blue being stop).
the color is usually brownish red
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Red
Gamma Hydrae is a third magnitude star in the constellation Hydra.It has a spectral type of G8 which means it is a yellow giant falling off the main sequence.
Alphard is the brightest star in the constellation Hydra.It's designation or letter is Alpha Hydrae
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 a young star is *bluish white*
The hotter the star, the closer to white the color.
Bernard's star is an old red dwarf star and is the fourth closest star to the Sun. It is the color of red.
The color of a star is a good indicator of its temperature.
the color of the star regulus is blue-white