Dawn mission discovers hydrogen on giant asteroid Vesta (w/ Video)
Thursday, September 20, 2012 - 16:30
in Astronomy & Space
(Phys.org)—The first measurements of the elemental composition of the surface of the giant asteroid Vesta indicate that hydrogen was brought to the body by impactors, research by a team led by Planetary Science Institute Senior Scientist Thomas H. Prettyman has shown.