title: Where was the moon formed?
abstract: Volatile substances have a low abundance in lunar surface rocks as compared to terrestrial rocks. If this depletion is explained in terms of a late accretion of volatile materials from a solar nebula with falling temperature, then the conclusion can be drawn that the moon accumulated not in earth orbit but as a separate planet, and that it was later captured by the earth.
authors.forename: S F
authors.initials: SF
authors.lastname: Singer
authors.forename: L W
authors.initials: LW
authors.lastname: Bandermann