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Planetary Radio • Sep 06, 2004

Billions of Earths?

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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!