地球壁纸
by NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington
NASA Image Library · 公有领域（Public Domain）
关于这张图
Artist impression of NASA MErcury Surface, Space ENvironment, GEochemistry, and Ranging MESSENGER spacecraft as it leaves Earth, following its Aug. 3, 2004 launch from Cape Canaveral Air Force Station, Fla. aboard a Delta II rocket.
