Planetary Radio • Sep 06, 2004

Billions of Earths?

On This Episode

Geoff Marcy

Professional planet hunter for University of California, Berkeley

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!