Why Astronauts left a reflector on the Moon! (ft. MinutePhysics) - Smarter Every Day 73

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Explains the retroreflector left on the Moon and its purpose in laser-ranging experiments. Demonstrates optics and lunar science applications.

A 6-minute video from SmarterEveryDay: “Why Astronauts left a reflector on the Moon! (ft. MinutePhysics) - Smarter Every Day 73”.

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