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SUMMARY:Collisional Grooming Models of Planets Interacting with Debris Dis
 ks - Kuchner\, M (NASA Goddard Space Flight Center)
DTSTART:20091111T165000Z
DTEND:20091111T171000Z
UID:TALK21418@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:An extrasolar planet sculpts the debris disk around Fomalhaut 
 as Neptune sculpts the Kuiper Belt. Probably many other debris disks conta
 in planets that we could locate if we could better recognize their signatu
 res in the dust that surrounds them. But the interaction between planets a
 nd debris involves both orbital resonances and collisions among grains and
  rocks in the disks---difficult processes to model simultaneously. I will 
 describe new 3-D models of debris disk dynamics that incorporate both coll
 isions and resonant trapping of dust self-consistently for the first time\
 , allowing us to decode debris disk images and better model the distributi
 on of small bodies in our own solar system. 
LOCATION:Satellite
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