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DTSTAMP:20260415T011551
DTSTART:20141030T113000
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DTEND:20141030T123000
URL:https://murmitoyen.com/events/vanille/udem/detail/499978
LOCATION:Université de Montréal - Pavillon Roger-Gaudry\, 2900\, chemin d
 e la Tour\, Montréal\, QC\, Canada\, H3T 1J6
SUMMARY:Observing the Structure\, Evolution\, and Habitability of Low-Mass 
 Exoplanets
DESCRIPTION:Conférence de Zachory K. Berta-Thompson\, MIT Kavli InstituteR
 ésuméThe Milky Way is teeming with planets smaller than Neptune but bigg
 er than Earth. Yet with no such planets in our own Solar System\, our unde
 rstanding of the composition\, formation\, and habitability of these alien
  worlds is still sketchy. After presenting the confusing portrait painted 
 by the few available measurements of the masses\, radii\, and atmospheres 
 of these small planets\, I will highlight how telescopes like Hubble\, Kep
 ler\, and Magellan might help clarify the picture through deep observation
 s of a few already known exoplanets. Our best opportunity to fill in the d
 etails\, however\, will be to find more small planets transiting nearby\, 
 small stars. Such easy-to-observe systems would be the best targets for at
 mospheric characterization with JWST\, potentially enabling the first dete
 ction of molecules in the atmosphere of a habitable planet. I will report 
 progress from two ongoing efforts to find these planets before the launch 
 of JWST: the ground-based MEarth Project\, searching the smallest stars fo
 r cool transiting planets\, and the all-sky Transiting Exoplanet Survey Sa
 tellite mission\, launching in 2017 to find the nearest and brightest tran
 siting exoplanet systems.Présentée par le Groupe Astronomie et astrophys
 ique du Département de physique de l'Université de Montréal. Cette con
 férence est destinée à des spécialistes dans le domaine de l'astrophys
 ique et sera donnée en anglais.
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