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5 papers · 2 filters
Is the faint young Sun problem for Earth solved?
Benjamin Charnay, Eric T. Wolf, Bernard Marty +1
Stellar evolution models predict that the solar luminosity was lower in the past, typically 20-25 % lower during the Archean (3.8-2.5 Ga). Despite the fainter Sun, there is strong…
A study of daytime convective vortices and turbulence in the martian Planetary Boundary Layer based on half-a-year of InSight atmospheric measurements and Large-Eddy Simulations
Aymeric Spiga, Naomi Murdoch, Ralph Lorenz +11
Studying the atmospheric Planetary Boundary Layer (PBL) is crucial to understand the climate of a planet. The meteorological measurements by the instruments onboard InSight at a la…
TRAPPIST-1 Habitable Atmosphere Intercomparison (THAI). Motivations and protocol version 1.0
Thomas J. Fauchez, Martin Turbet, Eric T. Wolf +10
Upcoming telescopes such as the James Webb Space Telescope (JWST), or the Extremely Large Telescope (ELTs), may soon be able to characterize, through transmission, emission or refl…
Impact of gravity waves on the middle atmosphere of Mars: a non-orographic gravity wave parameterization based on Global Climate modeling and MCS observations
G. Gilli, F. Forget, A. Spiga +7
The impact of gravity waves (GW) on diurnal tides and the global circulation in the middle/upper atmosphere of Mars is investigated using a General Circulation Model (GCM). We have…
The high-energy environment and atmospheric escape of the mini-Neptune K2-18 b
Leonardo A. dos Santos, David Ehrenreich, Vincent Bourrier +6
K2-18 b is a transiting mini-Neptune that orbits a nearby (38 pc) cool M3 dwarf and is located inside its region of temperate irradiation. We report on the search for hydrogen esca…