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Mass of SpaceX Falcon 9 launch rocket (542,000 kg) is 500 x Mass of a Block IIR GPS Satellite in orbit (1,080 kg)
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Estimated volume of water on Europa (moon of Jupiter) (2.6 sextillion L)
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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.