Did you know?
Mass of Deimos (moon of Mars) (2 quadrillion kg) is 200 x Mass of Comet 67P, Rosetta's Comet (10 trillion kg)
Tweet this comparison
Mass of Callisto (moon of Jupiter) (107.6 sextillion kg)
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
Click here to learn more about it.
Click here for Podcast: Andrew Elliott interviewed for New Books Network.