Apollo 11 Mission image - View of moon limb,with Earth on the horizon,Mare Smythii Region

AS11-44-6550 (16-24 July 1969) --- This view from the Apollo 11 spacecraft shows Earth rising above the moon's horizon. The lunar terrain pictured is in the area of Smyth's Sea on the nearside. Coordinates of the center of the terrain are 86 degrees east longitude and 3 degrees north latitude. While astronauts Neil A. Armstrong, commander, and Edwin E. Aldrin Jr., lunar module pilot, descended in the Lunar Module (LM) "Eagle" to explore the Sea of Tranquility region of the moon, astronaut Michael Collins, command module pilot, remained with the Command and Service Modules (CSM) "Columbia" in lunar orbit. Apollo 11 was NASA's first lunar landing mission in the Apollo program.