You Can Search for Stardust!

UC Berkeley's Andrew Westphal returns to celebrate the public premiere of Stardust@home, the project that will allow you to search for interstellar dust on your own computer. An encore edition of Q&A with Emily Lakdawalla about icy planets. Bruce Betts and Mat Kaplan make a splash with the answer to this week's space trivia contest, while we learn about the night sky and this week in space history.