Did you know? Diameter of Neptune (49,200 km) is 10 x Diameter of Mercury (4,880 km)
Height of the Angel Falls (Venuzeula) (979 m)
/fact/height-of-the-angel-falls-venuzeula
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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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Click here for Podcast: Andrew Elliott interviewed for New Books Network.