NGE Rebuild: There are precisely 4 white/black moons, 1 for each FAR depicted in flashbacks to 2I

Created by gwern on 2011-10-04; known on 2018-01-01

• gwern estimated 35% on 2011-10-04
• gwern said “if there are more moons, 4 is the obvious number” on 2011-10-04
• gwern changed the deadline from “on 2016-01-01” on 2016-01-01

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