Did you know?
Age of the Earth (4.54 billion y) is 20 x Galactic Year (period of rotation of the Milky Way galaxy) (225 million y)
Tweet this comparison
"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.