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Length of the Nile River (6,850 km) is 1 thousand x Length of the Oxford-Cambridge boat race (6.8 km)
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Depth of Marianas Trench (10.99 km)
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.