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A noble record

Verchovsky, Sasha and Sephton, Mark (2005). A noble record. Astronomy & Geophysics, 46(2) pp. 12–14.

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Meteorites contain unusual mixtures of noble gases that reflect contributions from several extraterrestrial environments. Processes that predate the formation of the solar system – such as condensation in stellar atmospheres and violent supernovae explosions – have introduced noble gases into interstellar grains that include diamonds, silicon carbide and graphite. The solar wind has implanted solar mixtures of gas into the surfaces of asteroids from which meteorites originate. An enigmatic carrier of planetary noble gases remains unidentified. Cosmogenic and radiogenic noble gases reveal the timing of events during solar system formation and the eventual break-up of the asteroidal meteorite parent body.

Item Type: Journal Item
Copyright Holders: 2005 Royal Astronomical Society
ISSN: 1468-4004
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Faculty of Science, Technology, Engineering and Mathematics (STEM) > Environment, Earth and Ecosystem Sciences
Item ID: 7923
Depositing User: Kyra Proctor
Date Deposited: 07 Jun 2007
Last Modified: 08 May 2019 13:36
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