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Circumference of Pluto (7,470 km) is 40 x Length of the M25 Orbital motorway around London (188 km)
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Distance from the Earth to the Sun (149.6 million km)
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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.