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Mass of lightest allowable Formula 1 racing car (incl driver excl fuel) (702 kg) is 20 x Mass of a full-grown Labrador dog (35 kg)
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Period of Neptune's orbit (164.8 y)
If this was a standard unit ...
Yes, there's now a book based on these numbers. Oxford University Press: July 2018.
Click here to learn more about it.
Click here for Podcast: Andrew Elliott interviewed for New Books Network.