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Billions of Earths?

Use when no other thumbnail exists

Air Date: 09/06/2004
Run Time: 0:28:50

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Guests:

  • Geoff Marcy, Professional planet hunter, University of California, Berkeley

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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!

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