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A Computational Tool to Interpret the Bulk Composition of Solid Exoplanets based on Mass and Radius Measurements
Li Zeng, Sara Seager
The prospects for finding transiting exoplanets in the range of a few to 20 Earth masses is growing rapidly with both ground-based and spaced-based efforts. We describe a publicly…
Ranges of Atmospheric Mass and Composition of Super Earth Exoplanets
L. Elkins-Tanton, S. Seager
Terrestrial-like exoplanets may obtain atmospheres from three primary sources: Capture of nebular gases, degassing during accretion, and degassing from subsequent tectonic activity…
Coreless Terrestrial Exoplanets
L. Elkins-Tanton, S. Seager
Differentiation in terrestrial planets is expected to include the formation of a metallic iron core. We predict the existence of terrestrial planets that have differentiated but ha…
The Atmospheric Signatures of Super-Earths: How to Distinguish Between Hydrogen-Rich and Hydrogen-Poor Atmospheres
E. Miller-Ricci, D. Sasselov, S. Seager
Extrasolar super-Earths (1-10 M$_{\earth}$) are likely to exist with a wide range of atmospheres. Some super-Earths may be able to retain massive hydrogen-rich atmospheres. Others…
Worlds Beyond: A Strategy for the Detection and Characterization of Exoplanets
J. I. Lunine, D. Fischer, H. Hammel +13
This is a scientific strategy for the detection and characterization of extrasolar planets; that is, planets orbiting other stars. As such, it maps out over a 15-year horizon the t…
The NASA EPOXI mission of opportunity to gather ultraprecise photometry of known transiting exoplanets
Jessie L. Christiansen, David Charbonneau, Michael F. A'Hearn +16
The NASA Discovery mission EPOXI, utilizing the Deep Impact flyby spacecraft, comprises two phases: EPOCh (Extrasolar Planet Observation and Characterization) and DIXI (Deep Impact…