Auriga, a constellation in the northern celestial hemisphere. The name means "The Charioteer." Capella, the brightest star in Auriga, is the sixth brightest star in the night sky. The handle of the Little Dipper points toward Auriga.
It's tough to wrap your mind around a time when the Earth wasn't here. So how do Earth and the rest of the planets out there get their start in the universe?
A billion years ago, the moon stopped being geologically active. But that's not to say that the moon is doing nothing for us. Let's find out why we owe our moon some thank-yous.