Planet Mercury a result of early hit-and-run collisions
Tuesday, July 8, 2014 - 20:32
in Astronomy & Space
New simulations show that Mercury and other unusually metal-rich objects in the solar system may be relics left behind by hit-and-run collisions in the early solar system. The origin of planet Mercury has been a difficult question in planetary science because its composition is very different from that of the other terrestrial planets and the moon.