Spaceshot of Mercury

Spaceshot of Mercury

. A photomosaic of Mercury's southern hemisphere produced from images acquired by Mariner 10 during its first encounter with the planet in March 1974. Mercury has a heavily cratered surface that resembles the lunar highlands. Bright rayed craters are also present on Mercury, as they are on the Moon. (Courtesy of JPL and NASA.)

Copyright 2010, Professor Kenneth R. Lang, Tufts University