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Mass of Janus (moon of Saturn) (1.9 quintillion kg) is 100 x Mass of water in Lake Tanganyika (Africa) (18.9 quadrillion kg)
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Land Area of Marshall Islands (181 km^2)
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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