Did you know? Mass of an adult male Polar Bear (800 kg) is 4 x Mass of a motorbike (200 kg)
Mass of the James Webb Space Telescope (6,500 kg)
/fact/mass-of-the-james-webb-space-telescope
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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.