PerspectivePlanetary Science

Meteorites and Their Parent Asteroids

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Science  22 Sep 2006:
Vol. 313, Issue 5794, pp. 1743-1744
DOI: 10.1126/science.1133137

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Bodies in our solar system have different oxygen isotope signatures, which have now been used to clarify that a collision involving the asteroid Vesta led to two major groups of meteorites.