Did you know? Number of stars in the observable universe (20sextillion ) is 4 x Number of grains of sand on the world's beaches (5sextillion )
Top speed of a horse (88 km/h)
/fact/top-speed-of-a-horse
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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.