Fluffy Mystery at Edge of Solar System Solved
Updated: 2009-12-31 12:31:18
Our solar system is passing through a cloud of interstellar material that shouldn't be there.
LCROSS Lunar Impactor Mission: "Yes, We Found Water!" (from Planetary News)
On the Planetary Society web site: LightSail in the News
On the Planetary Society web site: Planetary Society Awards Thomas O. Paine Award to Steve Squyres and Mars Exploration Rover Team
MESSENGER Rewrites Mercury Textbooks Even Before Entering Orbit (from Planetary News)