Did you know? Length of the equator (40,100 km) is 5 x Length of Africa (North to South) (8,000 km)
Time since Concorde Supersonic Airliner entered service (48 y)
/fact/time-since-concorde-supersonic-airliner-entered-service
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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.