Did you know?
Mass of Ganymede (moon of Jupiter) (148.2 sextillion kg) is 2 x Mass of the Moon (73.5 sextillion kg)
Tweet this comparison
Length of the Saturn V Apollo Program launch rocket (110.6 m)
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.