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SUMMARY:Unsolved Questions in Exoplanets: Formation\, Ejection\, and Habit
 ability
DTSTART;VALUE=DATE-TIME:20250331T020000Z
DTEND;VALUE=DATE-TIME:20250331T030000Z
DTSTAMP;VALUE=DATE-TIME:20260616T012100Z
UID:indico-event-4001@indico-tdli.sjtu.edu.cn
DESCRIPTION:Speakers: Darius Modirrousta-Galian\n\nHost: Dong LaiJoin Tenc
 ent Meeting：https://meeting.tencent.com/dm/G0TEUVZ9QAqQMeeting ID: 3544
 41484Abstract: Exoplanet science has entered a data-rich era\, yet some o
 f its most fundamental questions remain unanswered. This talk highlights t
 hree major open problems in the field: the origin of the bimodal distribut
 ion of exoplanet radii\, the nature and diversity of rogue planets\, and t
 he factors that govern exoplanet habitability. Addressing these problems w
 ill require close interdisciplinary collaboration across astrophysics\, pl
 anetary science\, cosmology\, and geochemistry. As missions such as the Ji
 ao Tong University Spectroscopic Telescope (JUST)\, JWST\, Twinkle\, and A
 riel deliver increasingly detailed observations\, progress will depend not
  only on new data but on the integration of diverse scientific perspective
 s.Biography: Darius Modirrousta-Galian is a postdoctoral researcher in th
 e Earth and Planetary Science Department at Yale University\, specializing
  in theoretical exoplanetary and planetary science. He holds a Ph.D. in Ph
 ysics from the University of Palermo\, and a Master's in Planetary Science
  and a B.Sc. in Astrophysics from University College London. His research 
 combines atmospheric\, geophysical\, and stellar principles to model the e
 volution of exoplanet atmospheres\, such as atmosphere-interior interactio
 ns and atmospheric photoevaporation. He recently proposed a new model sugg
 esting that primordial planetary atmospheres become chemically fractionate
 d because of X-ray and ultraviolet-induced photoevaporation\, transitionin
 g from a hydrogen-rich atmosphere to a secondary heavier one over billion-
 year timescales. His work has resulted in over fifteen peer-reviewed publi
 cations\, including eight as the first author\, in international journals 
 such as The Astrophysical Journal\, Astronomy & Astrophysics\, and Icarus.
 \n\nhttps://indico-tdli.sjtu.edu.cn/event/4001/
LOCATION:Tsung-Dao Lee Institute/N6F-N601 - Meeting Room (Tsung-Dao Lee In
 stitute)
URL:https://indico-tdli.sjtu.edu.cn/event/4001/
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