Earth Section Seminar: Untouchable Rocks: evolution, composition, and prospects for exploration of extrasolar solids


 
09/30/2013 - 3:00pm

Dear All,

Please join us for the first ES Seminar of the 2013-2014 year noted below:

Who - Dr. Carl Melis, UCSD Center for Astrophysics and Space Science (CASS)

Title - Untouchable Rocks: evolution, composition, and prospects for exploration of extrasolar solids

Where - Hubbs 4500

When - Monday, 30 September; Refreshments at 3:00 PM, Talk at 3:15 PM

Abstract -
The study of planetary systems around other stars is becoming routine. Techniques to identify and characterize bodies small (like asteroids) and large (like Jupiter) are providing a wealth of information on the type of planetary systems nature produces and how they evolve. My team seeks to observationally probe the collisional formation process of Earth-like planets, the demise of asteroids and rocky planets after their host star ceases its main-sequence life, and the bulk elemental composition of rocky bodies outside of the Solar system. In this talk I will present results from our research and possible extensions to it.

Relevant papers -
C. Melis, B. Zuckerman, J. Rhee, I. Song, S. Murphy, M. Bessell. “Rapid disappearance of a warm, dusty circumstellar disk”. Nature, 487, 74 (2012)
http://adsabs.harvard.edu/abs/2012Natur.487...74M

C. Melis, J. Farihi, P. Dufour, B. Zuckerman, A. Burgasser, P. Bergeron, J. Bochanski, R. Simcoe. “Accretion of a Terrestrial-Like Minor Planet by a White Dwarf”. Astrophysical Journal 732, 90 (2011)
http://adsabs.harvard.edu/abs/2011ApJ...732...90M

If you would like to meet with Carl in the morning before the talk, please let me know.


Brad

Event Contact: 
Brad Peters
Email: 
Event Calendar: 
Location: 
Hubbs Hall 4500