First close look at the moon

Though Neil Armstrong wouldn't take that first small step for another five years, NASA's Ranger 7 sent the first close-up images of the lunar surface back to Earth on July 31, 1964. Scientists credit Ranger 7 with making the famous spacewalk possible.

( Fadel Senna / AFP/Getty Images )

Though Neil Armstrong wouldn't take that first small step for another five years, NASA's Ranger 7 sent the first close-up images of the lunar surface back to Earth on July 31, 1964. Scientists credit Ranger 7 with making the famous spacewalk possible.

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