Altair, the brightest star in the constellation Aquila. It is the 12th brightest star in the sky, with an apparent magnitude of 0.77. Altair is about 10 times as luminous as the sun and is white in color. It is about 16 light-years from the earth. As seen from the earth, Altair has a faint star on each side of it.
Although other planets have rings, none are as spectacular as Saturn's. What makes the planet's stratified rings, and how did they get there in the first place?
Since the 1960s, we've been captivated by our planetary neighbor. How different is the planet next door, and what have we learned about it so far, compliments of the Phoenix Mars Lander and other spacecraft?