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CATEGORIES:The Eddington Lectures 
SUMMARY:The Chemistry of Planet Formation and the Making o
 f Habitable Planets - Karin I. Öberg (Harvard Univ
 ersity)
DTSTART;TZID=Europe/London:20180308T160000
DTEND;TZID=Europe/London:20180308T170000
UID:TALK98773AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/98773
DESCRIPTION:There is an exciting subset of exoplanets that hav
 e been identified as potentially habitable based o
 n their bulk compositions and surface temperatures
 . How often do these potentially habitable planets
  contain the necessary ingredients for life: water
  and feed-stock organics that can react to form th
 e building blocks of life? I will address this que
 stion by considering the chemical composition and 
 evolution of the formation sites of planets. Plane
 ts form in disks composed of dust\, ice and gas ar
 ound young stars. The study of these disks has rec
 ently taken a leap forward thanks to the arrival o
 f the Atacama Large Millimetre and submillimetre A
 rray (ALMA). ALMA has enabled chemical imaging of 
 planet-forming disks\, including direct constraint
 s on the distributions of volatiles and small orga
 nic molecules of relevance to origins of life. I w
 ill present some of the most surprising ALMA disco
 veries\, and how they together with models\, labor
 atory experiments and observations of other circum
 stellar 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)
CONTACT:Richard McMahon
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