Planetary classification

Planets are classified by their atmosphere, mass, and other things.

Classifications

 * Class-J Planet (Jupiter):Are composed of hydrogen, helium, very large, and are known as gas giants.
 * Class-L Planet (Vulcan):Has mostly deserts and rocks.
 * Class-M Planet (Earth):Has oxygen, liquid oceans, and usually life.
 * Class-N Planet (Venus):Sulfuric
 * Class-O Planet (Mars):Rusty planet, may have supported life.
 * Class-R Planet (Mercury):Has little or no atmosphere and many craters.
 * Class-Y Planet (Demon Planet):Has volcanos everywhere toxic atmosphere and is unsuitable for all humanoid life.
 * Class-Z Planet:Very rare planet where there's up to 47 different climates.