Did you know?
Number of stars visible to the naked eye (of magnitude 6.5 or brighter) (9,100 ) is 5 x Number of billionaires in the world (1,826 )
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Pop. of Johannesburg, South Africa (4.43 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.