Did you know? Diameter of Neptune (49,200 km) is 25 x Length of the Tigris River (1,950 km)
Longest ever discus throw (74.1 m)
/fact/longest-ever-discus-throw
Link
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.