Did you know?
Mass of Ganymede (moon of Jupiter) (148.2 sextillion kg) is 2 x Mass of the Moon (73.5 sextillion kg)
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Forest in New Caledonia (2011) (8,530 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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