Do stony meteorites come from comets

Details Do stony meteorites come from comets Do stony meteorites come from comets

Mar 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975icar...24..363a&link_type=abstract

Icarus, vol. 24, Mar. 1975, p. 363-371.

Computer Science

21

Comets, Meteoritic Composition, Rare Gases, Solar Wind, Stony Meteorites, Asteroids, Carbonaceous Meteorites, Chemical Composition, Chondrites, Ionized Gases, Isotopes

Scientific paper

The solar gas content of stony meteorites is used to determine their place of origin. The inert gas content and surface exposure age of meteorites and lunar regolith samples are compared, and the results suggest that gas implantation took place between 1 and 8 AU from the sun, i.e., in the asteroid belt. The prevalence of gas-rich meteorites is cited to indicate that the parent body must remain in the asteroid belt long enough to develop a substantial regolith, a condition which can be met by asteroids, but not by short period comets. It is concluded that all stony meteorite classes with gas-rich members, including carbonaceous chondrites, originated in asteroidal material.

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