Did you know? Length of North America (North to South) (8,600 km) is 2.5 x Diameter of Earth's Moon (3,480 km)
Mass of the SpaceX Falcon Heavy rocket (1.421 kg)
/fact/mass-of-the-spacex-falcon-heavy-rocket
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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.