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SUMMARY:Garvoturbulent planetesimal formation - state and prospects of the
  field - Klahr\, H (MPI for Astronomy)
DTSTART:20090930T143000Z
DTEND:20090930T153000Z
UID:TALK20337@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:Planetesimals may well form from the gravitational collapse of
  a particle cloud\, the so called\, pre-planetesimals\, once they got conc
 entrated by turbulent flow features\, possibly enhanced by a streaming ins
 tability. This talk shall give an overview of the state of the field and s
 ummarize what we know and what we still have to learn about this mechanism
 . \n\nI will discuss the formation and redistribution of the pre-planetesi
 mals. I will also address the role of resolution in our numerical simulati
 ons and in how far this relates to the possible initial planetesimal masse
 s. I show that the mass of the planetesimals is actually determined by the
  rate at which pre-planetesimals drift through the disk. \n\nThe talk shal
 l further discuss a list of open questions concerning gravoturbulent plane
 tesimal formation and how this model may fit to the observational findings
  of our solar system.
LOCATION:Seminar Room 1\, Newton Institute
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