Melt or Rubble?04.02.2013
This crater looked "filled in." Is this fill composed of solidified impact melt? Or simply a granular flow that originated by a slope failure?
19 Jun 2013 Public Lecture: "Exotic Earths" Free lecture at the Library of Congress: "Exotic Earths: Exploring Planets Around Other Stars" by NASA scientist Avi Mandell
24 Jun 2013 Build a Robot Institute This Event is for Teachers and Educators. Participants in the NRI will design, develop and deploy an autonomous rover.
7 Jul 2013 Model Rocket Launches Like to build model rockets, but don't have a launch pad? Now you do! Come to Goddard — no fees to participate!