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
Other land in Samoa (2011) (2.72 km^2)
/fact/other-land-in-samoa
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"This is a fun and riveting book. Written in an accessible and engaging way, it is unputdownable." Frost Magazine
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Click here for Podcast: Andrew Elliott interviewed for New Books Network.