Did you know? Distance to the Oort Cloud (748 billion km) is 5 thousand x Distance from the Earth to the Sun (149.6 million km)
Pop. of Hong Kong, China (7.3 million people)
/fact/population-of-hong-kong-china
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.