Did you know?
Highest ascent by a propellor-driven aircraft (2001) (29.52 km) is 5 x Height of Mount Kilimanjaro (5.89 km)
Tweet this comparison
Other land in Mauritania (2011) (630,000 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.