Did you know?
Time since building of the Great Pyramid of Giza / Cheops / Khufu (4,580 y) is 1 thousand x Period of Ceres's orbit (4.6 y)
Tweet this comparison
Forest in Djibouti (2011) (50 km^2)
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.