giant planet saturn, mysterious view from space.

saturn giant planet gas giant ringed space outer planetary rings solar system saturn#39aph39#s cassini mission space exploration nasa astronomical body celestial object cosmic view mystery distant extraterrestrial atmosphere composition hydrogen helium ice particles icy moon titan enceladus moons hexagonal storm polar vortex great white spot magnetic field deep gravity ring structure science astrophysics dynamics probe beauty photography rotation equatorial bulge mysterious appearance discovery technology wonder wind world phenomenon saturn exploration