[Baps] Sara Seager Seminar, Tue April 4 @ 2pm

[Sarah Stewart-Mukhopadhyay]

*SPECIAL SEMINAR
Sara Seager
*Carnegie Institution of Washington, Department of Terrestrial Magnetism

 *Tuesday, April 4, 2006 at 2:00pm
*Haller Hall

"*From Hot Jupiters to Hot Earths and Beyond*"


We have entered a new era in planetary astrophysics with over 170 extrasolar
giant planets now known. Physical properties of a subset of these planetsthe
hot transiting giant planetshave been measured, including mass, radius and
atmospheric thermal emission.  Even more intriguing than the hot Jupiters
are the seven known hot super-massive Earths (mass range 7 to 20 Earth
masses) which are expected to consist of a large rocky component but which
may also have a large gas envelope. Beyond the hot super-massive Earths, our
own Earth has been studied as an exoplanet, both in its present state and in
its paleoclimates.  I will discuss the interpretation of the hot Jupiter
atmosphere data, the possibilities for observation and interpretation of hot
supermassive Earths, and the scientific highlights and prospects for the
future detection and study of Earth-like extrasolar planets.


*Harvard Department of Earth and Planetary Sciences
*Haller Hall
24 Oxford Street
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