Did you know? Mass of United States Postal service maximum parcel weight (31.8 kg) is 2 x Mass of a case of 12 bottles of wine (16 kg)
Diameter of Saturn's rings (282,000 km)
/fact/diameter-of-saturns-rings
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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.