"For 13 to be unlucky would require there to be some kind of cosmic intelligence that counts things that humans count and that also makes certain things happen on certain dates or in certain places according to whether the number 13 is involved." Douglas Hofstadter

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Mass of the Moon

Mass of the Moon (73.5 sextillion kg)

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Neat Ratios ...

Mass of the Moon (73.5 sextillion kg)

  • is 1/2 of Mass of Ganymede (moon of Jupiter) (148.2 sextillion kg)...more
  • is 40 x Mass of Iapetus (moon of Saturn) (1.81 sextillion kg)...more

If this was a standard unit ...

Is That A Big Number? - The Book

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.

http://itabn.tumblr.com/post/138631317782/this-website