Phil Plait talks planets on MSNBC’s Cosmic Log!

Astronomer Phil Plait is one of three guests invited on MSNBC science editor Alan Doyle’s online talk show. They talk about the recent discovery of two Earth-sized ‘exo-planets’ and what it means for our search for life on other planets: http://cosmiclog.msnbc.msn.com/_news/2011/12/20/9591482-quintet-gangs-up-on-alien-worlds