Did you know? Mass of an adult male African Elephant (5,350 kg) is 4 thousand x Mass of an average human brain (1.35 kg)
Galactic Year (period of rotation of the Milky Way galaxy) (225 million y)
/fact/galactic-year-period-of-rotation-of-the-milky-way-galaxy
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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.