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SUMMARY:The Chemistry of Planet Formation and the Making of Habitable Plan
 ets - Karin I. Öberg (Harvard University)
DTSTART:20180308T160000Z
DTEND:20180308T170000Z
UID:TALK98773@talks.cam.ac.uk
CONTACT:Richard McMahon
DESCRIPTION:There is an exciting subset of exoplanets that have been ident
 ified as potentially habitable based on their bulk compositions and surfac
 e temperatures. How often do these potentially habitable planets contain t
 he necessary ingredients for life: water and feed-stock organics that can 
 react to form the building blocks of life? I will address this question by
  considering the chemical composition and evolution of the formation sites
  of planets. Planets form in disks composed of dust\, ice and gas around y
 oung stars. The study of these disks has recently taken a leap forward tha
 nks to the arrival of the Atacama Large Millimetre and submillimetre Array
  (ALMA). ALMA has enabled chemical imaging of planet-forming disks\, inclu
 ding direct constraints on the distributions of volatiles and small organi
 c molecules of relevance to origins of life. I will present some of the mo
 st surprising ALMA discoveries\, and how they together with models\, labor
 atory experiments and observations of other circumstellar environments are
  informing our view of the chemical environments within which planets form
 \, and further the chemical compositions of nascent planets.
LOCATION:Sackler Lecture Theatre\, IoA (tea at 3:30 pm)
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