January 8, 2014 55 min
Overview
It’s a golden age for planet hunters: NASA's Kepler mission has identified more than 3,500 potential planets orbiting stars beyond our Sun. Some of them, like a planet called Kepler-22b, might even be able to harbor life. How did we come upon this distant planet?
Comments 0
Please log in to leave a comment.

No comments yet. Be the first to share your thoughts!