Did you know? Mass of Callisto (moon of Jupiter) (107.6 sextillion kg) is 1 thousand x Mass of Enceladus (moon of Saturn) (108 quintillion kg) Tweet this comparison
Circumference of Pluto (7,230 km)
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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.