Did you know?
Mass of dwarf planet Makemake (4.4 sextillion kg) is 4 x Mass of Dione (moon of Saturn) (1.095 sextillion kg)
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Pop. of Zhengzhou, China (4.12 million people)
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.