Did you know?
Mass of Ariel (moon of Uranus) (1.353 sextillion kg) is 50 x Mass of Nereid (moon of Neptune) (27 quintillion kg)
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Land used for permanent crops in Portugal (2011) (124 km^2)
"This is a fun and riveting book. Written in an accessible and engaging way, it is unputdownable." Frost Magazine
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