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Carbon Star Dust from Meteorites

Published online by Cambridge University Press:  25 May 2016

Uffe Gråe Jørgensen  and
Anja C. Andersen
Uffe Gråe Jørgensen
Affiliation:
Niels Bohr Institute, Copenhagen University Observatory, Copenhagen, Denmark
Anja C. Andersen
Affiliation:
Niels Bohr Institute, Copenhagen University Observatory, Copenhagen, Denmark

Abstract

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Inside carbonaceous chondrite meteorites are tiny dust particles which, when heated, release noble gases with an isotopic composition different from what is found anywhere else in the solar system. For this reason it is believed that these grains are (inter)stellar dust which survived the collapse of the interstellar cloud that became the solar system. We will describe here why we believe that the most abundant of these grains, micro-diamonds, were formed in the atmospheres of carbon stars, and explain how this theory can be tested observationally.

Type
Session VII — Mass-Loss, Winds, and Formation of Dust Grains
Information
Symposium - International Astronomical Union , Volume 177: The Carbon Star Phenomenon , 2000 , pp. 349 - 357
Copyright
Copyright © Kluwer 2000 

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