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The Habitability of Planets Orbiting M Dwarfs

Victoria Meadows

University of Washington

Recently discovered planets orbiting nearby M dwarfs will provide intriguing near-term targets for JWST and ground-based telescopes, and an exciting window into the evolution and nature of terrestrial planets. M dwarfs, although plentiful, undergo strong evolution in stellar brightness when they are young, and have main sequence habitable zones that are extremely close to the star. These factors enhance star-planet interactions, drive planetary evolutionary processes different to those experienced by our Earth, and potentially produce false positives for life. To support upcoming observations, I will describe interdisciplinary modeling undertaken by the NASA Astrobiology Institute's Virtual Planetary Laboratory team to explore the possible evolutionary scenarios, current climate states and anticipated observational features for M dwarf habitable zone planets.

Date: Jeudi, le 14 septembre 2017
Heure: 11:30
Lieu: Université de Montréal
  Pavillon Roger-Gaudry, Local S-142
Contact: Bj÷rn Benneke & RenÚ Doyon

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