Science Online

Science  19 Mar 1999:
Vol. 283, Issue 5409, pp. 1811
DOI: 10.1126/science.283.5409.1811e

Exactly how the moon formed has long been a mystery, but new evidence is shedding light on this question. A Perspective (p. 1861) this week on the topic links to a movie featuring a computer simulation of the current theory: The moon was born from the accretion of debris created by the collision of a protoplanet with the proto-Earth.

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