NASA Spacecraft Snaps 1st Photo of Mercury from Orbit

摘要

The first spacecraft ever to circle Mercury has beamed home the first photo taken of the small rocky planet from orbit, showing a stark landscape peppered with craters. NASA's Messenger spacecraft snapped the new Mercury photo March 29 at 5:20 a.m. EDT. The photo shows the stark gray landscape of southern Mercury, a view that is dominated by a huge impact crater.