Did you know? Length of the St Lawrence Seaway Canal system (600 km) is 25 thousand x Length of a tennis court (23.77 m)
Mass of the largest asteroid (Ceres) (939 quintillion kg)
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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.