Jan 052013
 
Carbon, a Building Block for Organic Molecules, in Vesta's Craters

  Large impacts of asteroids may have transferred carbonaceous material to the protoplanet and inner Solar System   The protoplanet Vesta has been witness to an eventful past: images taken by the framing camera onboard NASA’s space probe Dawn show two enormous craters in the southern hemisphere. The images were obtained during Dawn’s year-long visit [continue reading]