Celebrating the International Year of Astronomy With Pamela Gay

2009 was the year fans of astronomy went all out to share the wonder of the universe. Astronomer and Astronomy Cast co-host Pamela Gay reports from the closing ceremonies for the IYA in Padua, Italy. Emily Lakdawalla celebrates the 400th anniversary of the discovery of Jupiter's Galilean Moons. Bill Nye finds a link between SETI and NASA selling a space shuttle. Bruce Betts and Mat Kaplan have another copy of A Traveler's Guide to Mars for the winner of the weekly What's Up space trivia contest and a new space trivia contest.

Related Links:

• Pamela "Star Stryder" Gay
• International Year of Astronomy
• Heavens Above Sky Events
• 400 Years of the Galilean Satellites