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After 60 years, people know the existence of a ‘dark squad’:...

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NASA has the Mercury Seven. The Soviet Union has the Vanguard Six. 09:07 a.m. on April 12, 1961, A 27-year-old...

How long does it take to walk around the Moon?

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The answer depends on many factors such as travel speed, time traveled per day and route to avoid dangerous terrain. Twelve people set foot...