PI Sean Solomon's MESSENGER is Orbiting Mercury!

With its nail-biting orbital insertion a success, MESSENGER has renewed its exploration of our solar system's innermost planet. Principal Investigator Sean Solomon tells us what's in store. Emily Lakdawalla says goodbye to Stardust. Bill Nye points at the international eyes in the sky that are helping Japan. Bruce Betts and Mat Kaplan salute the flag of Mars and then give it away on What's Up. Also, a new space trivia contest.

Related Links:

• MESSENGER's Journey to Mercury and other Animations
• The End of Stardust
• Metroflags Inc. Flag of Mars
• Bill Nye's Your Place in Space (MP3)