Planetary Radio • Sep 06, 2004
Billions of Earths?
Professional planet hunter Geoff Marcy of UC Berkeley returns to share astounding news of newly-discovered Extrasolar Planets that are much closer in size to our Earth. Meteors, meteoroids and meteorites...Emily Lakdawalla knows the difference. Bruce Betts drops in with a new What's Up! space trivia contest. Win your Planetary Radio t-shirt!