Did you know? Circumference of Uranus (159,300 km) is 25 x Mean Radius of the Earth (6,370 km)
Fastest speed attained by a human-powered watercraft (34.3 km/h)
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If this was a standard unit ...
Yes, there's now a book based on these numbers. Oxford University Press: July 2018.
Click here to learn more about it.
Click here for Podcast: Andrew Elliott interviewed for New Books Network.