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SUMMARY:Kepler Planets - retention and loss of their atmospheres - James O
 wen (Imperial)
DTSTART:20180426T150000Z
DTEND:20180426T160000Z
UID:TALK104638@talks.cam.ac.uk
CONTACT:28811
DESCRIPTION:Recent advances in exoplanet detection and characterization ha
 s\ntold us that a new class of planet exists close to many stars. These pl
 anets\nhave radii between that of the Earth and Neptune\, yet periods of s
 everal to\nhundreds of days. Density measurements of some of these planets
  imply they\nmust have voluminous H/He atmospheres. I will describe our cu
 rrent\nunderstanding for how these planets may have acquired their atmosph
 eres and\nhow their histories are dominated by\, in some cases futile\, at
 tempts for\nthem to retain these atmospheres so close to their parent star
 s.
LOCATION:Sackler Lecture Theatre\, IoA (tea at 3:30 pm)
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