Determining the (minimum) heights of atmospheres on exoplanets

Determining the (minimum) heights of atmospheres on exoplanets

One of the major questions among astronomers who study planets around other stars is, “What kinds of atmospheres do exoplanets have?” This question is extremely challenging to answer empirically: not only are most exoplanets too faint and close to their stars for us to see directly (see this post for an exception), but their atmospheres (especially on small, potentially rocky planets) are only a tiny fraction of the planet’s total composition.

How Hot Jupiters are (Not) Made

How Hot Jupiters are (Not) Made

Title: A Paucity of Proto-Hot Jupiters on Super-Eccentric Orbits Authors: Rebekah I. Dawson, Ruth A. Murray-Clay, John Asher Johnson First Author’s Institution: Harvard-Smithsonian Center for Astrophysics Note:¬†This post is based in part on a talk by Rebekah...