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SUMMARY:Giant Impacts and Planetary Evolution - Craig Agnor (QMUL)
DTSTART:20090615T150000Z
DTEND:20090615T160000Z
UID:TALK18814@talks.cam.ac.uk
CONTACT:Dr. Aurélien Crida
DESCRIPTION:The planetesimal hypothesis posits that solid rocky or icy pla
 nets form via the accumulation of smaller bodies.  In this picture\, colli
 sions between bodies are the mechanism by which planets acquire mass and a
  principal process of planetary evolution.  Giant collisions between like-
 sized planets have been invoked to explain several bulk planetary characte
 ristics (e.g. the origin of Earth's Moon and Mercury's large iron core).\n
 \nIn this talk\, I will discuss how these giant impacts arise in the conte
 xt of planetary formation and our effort to explicitly model these collisi
 ons.  I will discuss the connections between the different stages and regi
 mes of planetary growth\, the giant impact outcomes expected\, and the imp
 lications for the thermal\, rotational and compositional evolution of emer
 ging planets.
LOCATION:MR14\, DAMTP\, Pav. F
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