Did you know? Mass of lightest allowable Heavyweight boxer (90.8 kg) is 200 x Mass of a typical rugby ball (450 g)
Period of Ceres's orbit (4.6 y)
/fact/period-of-ceress-orbit
Link
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.