Did you know? Mass of Callisto (moon of Jupiter) (107.6 sextillion kg) is 4 thousand x Mass of Nereid (moon of Neptune) (27 quintillion kg)
Height of an African elephant (4.2 m)
/fact/height-of-an-african-elephant
Link
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.