On July 20, 1969, Apollo 11 astronaut Neil Armstrong announced his historic arrival on the ancient lava plain of Mare Tranquillitatis with the following message to NASA: "Houston, Tranquility Base ...
Today In The Space World on MSN
Visiting the Apollo 11 moon landing site (it's terrifying)
It has been 56 years since Neil Armstrong and Buzz Aldrin left the Moon. But is the landing site really frozen in time, or ...
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