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Mass of the Apollo program Command Module in Lunar orbit (28,800 kg) is 4 thousand x Mass of a regulation mens' shot (in the shot put athletics event) (7.26 kg)
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Time since the end of the Cambrian geologic period (485 million y)
If this was a standard unit ...
"This is a fun and riveting book. Written in an accessible and engaging way, it is unputdownable." Frost Magazine
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