100 Millions Solar Systems Like Our Own?

Award-winning astronomer Scott Gaudi talks about the MicroFUN exoplanet finding project, and the first estimate of how many planetary systems in the Milky Way galaxy look like our home system. Bill Nye reports from London on a ceremony honoring Stephen Hawking. Emily delivers the best of the Planetary Society blog while on her way to the Lunar and Planetary Science Conference. Bruce Betts is back in the groove for this week's What's Up segment. He and Mat Kaplan have a Planetary Radio t-shirt to give away in a new space trivia contest.

Related Links:

• The Microlensing Follow-Up Network (MicroFUN)
• Guide to Extrasolar Planets/Exoplanets
• Deep Space Network Upgrade Begins
• Astounding Images of Saturn's Moon Enceladus