Did you know? Mass of Proteus (moon of Neptune) (50.4 quintillion kg) is 25 thousand x Mass of Deimos (moon of Mars) (2 quadrillion kg)
Pop. of Busan, South Korea (3.59 million people)
/fact/population-of-busan-south-korea
Pop. of Busan, South Korea (3.59 million people)
"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.