Did you know?
Length of a blue whale (30 m) is 2 x Width of a typical Hot Air Balloon (15 m)
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Highest ascent by a propellor-driven aircraft (2001) (29.52 km)
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.