“Whence in her visage round those spots unpurged, Vapors not yet into her substance turned.”

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The Heaven of the Fixed Stars. ↩

Either the diaphanous parts must run through the body of the Moon, or the rarity and density must be in layers one above the other. ↩

As in a mirror, which Dante elsewhere, Inferno XXIII 25, calls impiombato vetro , leaded glass. ↩