Did you know?
World record longest flight of an arrow from a bow (2010) (484 m) is 2 x Length of Tower Bridge over the Thames (244 m)
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Circumference of Mercury (15,330 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.