O.K. we all think of Neptune as a "Gas Giant" but I have recently learned that it's more correctly referred to as an "Ice giant" If it truly has a liquid methane and Hydrogen ocean, is it possible that it may contain some form of life? And considering the size of Neptune, that life could be very...
There are red giants, blue giants. white dwarfs, red dwarfs, brown dwarfs, etc., etc., etc,... Why? do they have different chemistries? Are they each at different stages in their lives? Is there a combination of reasons?