Did you know? Distance from the Earth to the Sun (149.6 million km) is 40 thousand x Length of the Mississippi River (3,730 km)
Top speed of a Thomson's gazelle (65 km/h)
/fact/top-speed-of-a-thomsons-gazelle
Link
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.