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Circumference of Venus (37,700 km) is 25 x Length of the island of Madagascar, North to South (1,500 km)
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Pop. of Harbin, China (4.28 million people)
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.