Did you know? Mass of an adult male red kangaroo (85 kg) is 5 thousand x Mass of a house mouse (17 g)
Circumference of Mars (21,340 km)
/fact/circumference-of-mars
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.