The Kepler telescope has changed how we see ourselves in the Universe

Twenty years ago, we didn't know if there were any planets orbiting stars other than our own. Today, it's estimated that each of the roughly 100-billion stars in our galaxy has, on average, 1.6 planets orbiting around it, as this video from astronomers and science-communicators Tony Darnell and Scott Lewis explains. » 2/21/14 8:40am 2/21/14 8:40am