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Time since building of the Great Pyramid of Giza / Cheops / Khufu (4,580 y) is 50 x Time since Charles Lindbergh first flew across the Atlantic (92 y)
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Circumference of Pluto (7,230 km)
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.