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Home / Events / Colloquium: The Terrestrial Planets of Other Stars

Colloquium: The Terrestrial Planets of Other Stars

Professor David Charbonneau, Harvard University
November 14, 2018 - 4:00pm
Crow Hall, Room 201

When exoplanets transit their parent stars, we are granted an unparalleled opportunity to detect their presence and study their bulk properties.  I will review recent analyses of data from the NASA Kepler Mission to deduce the rate of occurrence of small planets.  I will then present follow up measurements of the acceleration of a subset of the host stars, which allows us to estimate the planetary masses and hence densities.  Finally, I will discuss recent findings from the MEarth Project, which seeks to discover the most spectroscopically accessible terrestrial exoplanets.  Our recent discovery of a temperate rocky world orbiting the nearby small star LHS1140 provides an unprecedented opportunity to detect the molecules present in the atmosphere of a terrestrial exoplanet.

 

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McDonnell Center for the Space Sciences | Washington University in St. Louis | Campus Box 1105 | One Brookings Drive, St. Louis, MO 63130-4899 | (314) 935-5332 | janf@wustl.edu