Did you know?
Height of Mons Huygens (highest point on the moon) (5.5 km) is 50 x Length of the Saturn V Apollo Program launch rocket (110.6 m)
Tweet this comparison
Land used for agriculture in Spain (2011) (273,400 km^2)
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.