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SUMMARY:Adventures with Dusty Discs - Dr. Sijme-Jan Paardekooper (Queen Ma
 ry\, London)
DTSTART:20200302T140000Z
DTEND:20200302T150000Z
UID:TALK130192@talks.cam.ac.uk
CONTACT:Chris Hamilton
DESCRIPTION:While protoplanetary discs predominantly consist of gas\, the 
 component that is in solid form (i.e. 'dust'\, ~1% by mass) is receiving a
 n increasing amount of attention for several reasons. First of all\, obser
 vations at mm wavelengths trace thermal emission of dust particles\, givin
 g rise to spectacular high-resolution ALMA images\, while gas is much more
  difficult to observe. Therefore\, in order to get the complete picture of
  the state of the disc (both dust and gas)\, we have to reconstruct the ga
 s density from the dust density\, which involved knowing how dust is pushe
 d around by the gas. Second\, the solid component in the disc is what even
 tually forms terrestrial planets as well as the cores of giant planets\, p
 lus all the 'leftover' building blocks in the form of asteroids\, Kuiper B
 elt objects\, and dwarf planets. I will talk about some of the recent resu
 lts we obtained in our group tackling dusty questions related to both obse
 rvations and the theory of planet formation.
LOCATION:MR14\,  Centre for Mathematical Sciences\, Wilberforce Road\, Cam
 bridge
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