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On the origin of chondrulesA new mechanism for primordial melting of chondrules based upon heating by relativistic electrons accelerated by reconnecting magnetic field lines is discussed. This mechanism is free of the creation-annihilation problem of collisions used for heating. The basic requirements for reconnection are an interplanetary magnetic field with regions of reversals. An early magnetic field is inferred from the paleomagnetism of meteorites and the requirements of solar spin-down, while the field reversals upon which the reconnection is based are a common property of the present epoch solar wind.
Document ID
19790065612
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Sonett, C. P.
(Arizona, University Tucson, Ariz., United States)
Date Acquired
August 9, 2013
Publication Date
August 1, 1979
Publication Information
Publication: Geophysical Research Letters
Volume: 6
Subject Category
Lunar And Planetary Exploration
Accession Number
79A49625
Funding Number(s)
CONTRACT_GRANT: NGR-03-002-370
Distribution Limits
Public
Copyright
Other

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