Did you know?
Lifespan of Galapagos giant tortoise (190 y) is 2.5 x Period of Halley's Comet's orbit (75.3 y)
Tweet this comparison
Other land in Grenada (2011) (60.9 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.