469
xkcd #2865: The Wrong Stuff
(imgs.xkcd.com)
Alt text:
The phantom found Edward Everett Hale a century too early; by the time we invented satellites, the specifics of his 'brick moon' proposal were dismissed as science fiction.
Correct. I won't say that Randall has no input, but we can check the revision history to see all the different people that made edits.