Did you know?
Mass of Janus (moon of Saturn) (1.9 quintillion kg) is 100 x Mass of water in Lake Tanganyika (Africa) (18.9 quadrillion kg)
Tweet this comparison
Mass of an adult male giraffe (2,500 kg)
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.