Did you know? Time since the end of the Cretaceous geologic period (66 million y) is about as big as Time since the extinction of dinosaurs (66 million y)
Height of Olympus Mons (Mars) (21.9 km)
/fact/height-of-olympus-mons-mars
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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.