[LESS INFO] 8 VIEWS | ADDED 17:00:00 03/27/13
Our Sun is a star. In fact, it is the closest star we'll ever see. The Sun is about 5 billion years old and will live for about 5 billion more. But not all stars live this long.
Kepler’s Supernova ...
16 Views 17:00:00 03/20/13
Over 400 years ago, Johannes Kepler and many others witnessed the appearance of a new "star" in the sky.