Did you know? Time since the emergence of earliest reptiles (315 million y) is 5 x Length of one Alautun, longest unit in Mayan calendar (63.1 million y)
Mass of the Moon (73.5 sextillion kg)
/fact/mass-of-the-moon
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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.
