Medieval critics dismissed Muhammad’s split-moon legend using amateur astronomy.

Evidence

Both he and the author of the reprobatio concluded by stressing physical and historical arguments to disprove the alleged miracle; the one said that, as the moon is not a heavy body, it could not fall, the other that, as it is larger than the earth, it could not fall on a part of the earth only; both said that such a thing could not have happened unknown to all the world, and unrecorded. — Norman Daniel, Islam and the West, 438

Categorization

• CANDY: Two medieval debunkers rejecting a miracle via moon physics is a fun trivia nugget.