Did you know? Number of galaxies in the observable universe (100bn ) is 25 thousand x Pop. of Mauritania (4.01million) Tweet this comparison
Land used for arable in Greenland (2011) (10,000 km^2)
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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.