Did you know? Diameter of Mercury (4,880 km) is 50 x Length of the Kiel Canal (98 km)
Distance to Proxima Centauri (nearest star to the Earth) (39.9 trillion km)
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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.