Did you know?
Duration of Egyptian Empire (500 y) is 500 x Period of Earth's orbit (1 y)
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Mass of a Block IIR GPS Satellite in orbit (1,080 kg)
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.