Proposed Mission Would Return Sample from Asteroid 'Time Capsule'
Thursday, March 11, 2010 - 17:28
in Astronomy & Space
(PhysOrg.com) -- Meet asteroid 1999 RQ36, a chunk of rock and dust about 1,900 feet in diameter that could tell us how the solar system was born, and perhaps, shed light on how life began. It also might hit us someday.