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Actually, it's called a retroreflector, made up of many tiny prisms,
like this one
like this one
Full Transcript
00:00:01.000 --> 00:00:03.015
Actually, it's called a retroreflector,
00:00:03.026 --> 00:00:05.071
made up of many tiny prisms,
like this one.
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Movie Summary
This documentary examines the authenticity of the photographic record of NASA's Apollo missions.