Dec 21 2011 55 mins 124
This is a Google+ Hangout we did to discuss the announcement of Earth-sized planets discovered by NASA's Kepler mission. Moderated by Fraser Cain from Universe Today/Astronomy Cast, with Nancy Atkinson from Universe Today, Dr. Phil Plait from Bad Astronomy, Emily Lakdawalla from the Planetary Society and Alan Boyle from MSNBC's Cosmic Log.
