Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006dps....38.1302t&link_type=abstract
American Astronomical Society, DPS meeting #38, #13.02; Bulletin of the American Astronomical Society, Vol. 38, p.505
Astronomy and Astrophysics
Astronomy
Scientific paper
The intensity of magnetic fields in the early solar system are still largely unknown. Knowledge of these field intensities would provide a critical constraint on planet formation scenarios, because (a) magnetic fields may have strongly influenced the transfer of mass and momentum inward and outward in the protoplanetary disk and (b) may have played a key role in the formation of some of the earliest solids. The extent to which magnetic fields influenced these processes depended on what their intensity was through time. Many of these processes would have occurred during the first million years of the solar system, a time when it has been suggested that the Sun passed through a magnetically active phase like that observed for T Tauri stars. We have begun to study the magnetism of primitive constituents of CV carbonaceous chondrite meteorites to search for a signature of such early magnetism. We will present the results of a full suite of magnetic analyses on Allende calcium-aluminum-inclusions (CAIs) and chondrules.
Thomas Cristina A.
Weiss Benjamin
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