ADVANCE FOR USE SATURDAY, JULY 13, 2019 AND THEREAFTER-In this July 21, 1969 photo made available by NASA, the Apollo 11 Lunar Module ascent stage, carrying astronauts Neil Armstrong and Buzz Aldrin, approaches the Command and Service Modules for docking in lunar orbit. Astronaut Michael Collins remained with the CSM in lunar orbit while the other two crewmen explored the moon's surface. In the background the Earth rises above the lunar horizon. (Michael Collins/NASA via AP)
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