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13 papers · 2 filters
Kepler-7b: A Transiting Planet with Unusually Low Density
David W. Latham, William J. Borucki, David G. Koch +18
We report the discovery and confirmation of Kepler-7b, a transiting planet with unusually low density. The mass is less than half that of Jupiter, Mp = 0.43 Mj, but the radius is f…
Origin and Evolution of Saturn's Ring System
Sebastien Charnoz, Luke Dones, Larry W. Esposito +2
The origin and long-term evolution of Saturn's rings is still an unsolved problem in modern planetary science. In this chapter we review the current state of our knowledge on this…
Transmission Spectra of Three-Dimensional Hot Jupiter Model Atmospheres
J. J. Fortney, M. Shabram, A. P. Showman +4
We compute models of the transmission spectra of planets HD 209458b, HD 189733b, and generic hot Jupiters. We examine the effects of temperature, surface gravity, and metallicity f…
Cometary Origin of the Zodiacal Cloud and Carbonaceous Micrometeorites
David Nesvorny, Peter Jenniskens, Harold F. Levison +2
The zodiacal cloud is a thick circumsolar disk of small debris particles produced by asteroid collisions and comets. Here, we present a zodiacal cloud model based on the orbital pr…
Eclipsing Binary Trojan Asteroid Patroclus: Thermal Inertia from Spitzer Observations
Michael Mueller, Franck Marchis, Joshua P. Emery +5
We present mid-infrared (8-33 micron) observations of the binary L5-Trojan system (617) Patroclus-Menoetius before, during, and after two shadowing events, using the Infrared Spect…
Deciphering the Origin of the Regular Satellites of Gaseous Giants - Iapetus: the Rosetta Ice-Moon
Ignacio Mosqueira, Paul R. Estrada, Sebastien Charnoz
Here we show that Iapetus can serve to discriminate between satellite formation models. Its accretion history can be understood in terms of a two-component gaseous subnebula, with…