Did you know? Estimated world population of Mongolian Gazelle (400,000 individuals) is 2 x Estimated world population of Gelada (200,000 individuals)
Mass of Phobos (moon of Mars) (10.8 quadrillion kg)
/fact/mass-of-phobos-moon-of-mars
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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.