Did you know? Circumference of the Sun (4.37 million km) is 1 thousand x Length of the Mekong River (4,350 km)
Diameter of Earth's Moon (3,480 km)
/fact/diameter-of-earths-moon
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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.