Testing Planet Formation Theory with Exoplanets

Details Testing Planet Formation Theory with Exoplanets Testing Planet Formation Theory with Exoplanets

Sep 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ess.....2.1601y&link_type=abstract

American Astronomical Society, ESS meeting #2, #16.01

Statistics

Scientific paper

Exoplanet discoveries can be used to evaluate and develop planet formation theories. I will describe, and critically evaluate, two complementary approaches. The first examines a single mechanism in detail, such as orbital evolution due to secular dynamics or planetesimal formation via streaming instabilities. The effects of that mechanism on exoplanet statistics can be assessed. The second approach is commonly known as planetary population synthesis. It attempts to combine simplified versions of all processes relevant to planet formation and evolution. I will describe how the wealth of planet candidates provided by the Kepler survey can constrain both types of models. Finally, I will provocatively discuss whether a deterministic and/or predictive theory of planet formation is possible, or even necessary.

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