[Baps] Planetary talk by Fred CIesla: Friday, 11:30 am at CfA

Tue May 1 12:44:10 EDT 2007

SSP special seminar
Center for Astrophysics

DATE: FRIDAY, May 4
TIME: 11:30 AM
ROOM: Phillips Auditorium
SPEAKER: Fred Ciesla (Carnegie Institution)

"Unraveling the Dynamics of the Solar Nebula:  The Origin
  of High Temperature Materials Collected by Stardust"

Abstract

The Stardust mission successfully returned to Earth samples
of Comet Wild 2. Preliminary analysis of these samples
indicate that many of the minerals in the comet were formed
at much higher temperatures than expected in the comet
formation region of our solar nebula. I will discuss what
these materials are telling us about the dynamical evolution
of our solar nebula and present a model for their origin that
is consistent with our astrophysical understanding of how
planetary systems form.
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