Did you know?
Diameter of Mercury (4,880 km) is 1 thousand x Highest altitude reached by a single kite (4.88 km)
Tweet this comparison
Overall length of an Airbus A380 (72.7 m)
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.