Did you know? Mass of Mercury (330 sextillion kg) is 20 x Mass of dwarf planet Eris (16.6 sextillion kg)
Pop. of Istanbul, Turkey (14.16 million people)
/fact/population-of-istanbul-turkey
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.