Did you know? Time since the earliest farming (11,500 y) is 20 x Time since the birth of Leonardo da Vinci (572 y)
Mass of Pandora (moon of Saturn) (137 quadrillion kg)
/fact/mass-of-pandora-moon-of-saturn
Link
If this was a standard unit ...
"This is a fun and riveting book. Written in an accessible and engaging way, it is unputdownable." Frost Magazine
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Click here for Podcast: Andrew Elliott interviewed for New Books Network.