Did you know?
Time since the end of the Cretaceous geologic period (66 million y) is about as big as Time since the extinction of dinosaurs (66 million y)
Tweet this comparison
Mass of Phobos (moon of Mars) (10.8 quadrillion 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.