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Mass of an adult male North American Black Bear (280 kg) is 200 x Mass of an ostrich egg (approx) (1.4 kg)
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Number of galaxies in the observable universe (100bn )
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.