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First supersonic flight in rocket-powered research plane

Chuck Yeager breaks the sound barrier in a Bell XS-1 airplane over Rogers Dry Lake, California.

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Soviet spacecraft photographs the dark side of the moon

On 07 October 1959, Luna 3 captured the moon on film, then developed it robotically and faxed photos to Earth.

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Sputnik 1 ushers in the space age

Its successful launch signaled a public escalation of the U.S.-U.S.S.R Cold War.