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SUMMARY:The Search for Earth 2.0 - Sara Seager (Massachusetts Institute of
  Technology)
DTSTART:20141204T163000Z
DTEND:20141204T173000Z
UID:TALK55152@talks.cam.ac.uk
CONTACT:Simon Hodgkin
DESCRIPTION:The discovery and characterization of exoplanets have the pote
 ntial to offer the world one of the most impactful findings ever in the hi
 story of astronomy—the identification of life beyond Earth. Life can be 
 inferred by the presence of atmospheric biosignature gases—gases produce
 d by life that can accumulate to detectable levels in an exoplanet atmosph
 ere. Detection will be made by remote sensing by sophisticated space teles
 copes. The conviction that biosignature gases will actually be detected in
  the future is moderated by lessons learned from the dozens of exoplanet a
 tmospheres studied in last decade\, namely the difficulty in robustly iden
 tifying molecules\, the possible interference of clouds\, and the permanen
 t limitations from a spectrum of spatially unresolved and globally mixed g
 ases without direct surface observations. The vision for the path to asses
 s the presence of life beyond Earth is being established.
LOCATION:Sackler Lecture Theatre\, IoA (tea at 4.00 pm)
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