Results 31 to 40 of about 7,811,850 (120)

Sub-Neptunes Are Drier than They Seem: Rethinking the Origins of Water-rich Worlds

The Astrophysical Journal Letters
Recent claims of biosignature gases in sub-Neptune atmospheres have renewed interest in water-rich sub-Neptunes with surface oceans, often referred to as Hycean planets. These planets are hypothesized to form beyond the snow line, accreting large amounts
Aaron Werlen, Caroline Dorn, Remo Burn, Hilke E. Schlichting, Simon L. Grimm, Edward D. Young   +5 more
doaj   +1 more source

The Effects of Non-ideal Mixing in Planetary Magma Oceans and Atmospheres

The Astrophysical Journal
Sub-Neptunes with hydrogen-rich envelopes are expected to sustain long-lived magma oceans that continuously exchange volatiles with their overlying atmospheres.
Aaron Werlen, Edward D. Young, Hilke E. Schlichting, Caroline Dorn, Anat Shahar   +4 more
doaj   +1 more source

Effect of Laboratory Reagents for Cleaning Modern Contamination on the δ15N Integrity of Nitrogen‐Poor Samples

Rapid Communications in Mass Spectrometry, Volume 40, Issue 19, 15 October 2026.
ABSTRACT Rationale Nitrogen isotope values have been widely used for tracing ancient biogeochemical processes, but contaminant‐sensitive materials, such as Precambrian sedimentary rocks, meteorites, or returned extraterrestrial samples, often have low nitrogen levels and are thus vulnerable to modern organic contamination.
Kunmanee Bubphamanee, Andrew Schauer, Roger Buick   +2 more
wiley   +1 more source

dfm/exoplanet: exoplanet v0.1.0

, 2018
<p>The first public release of exoplanet.</p ...
Dan Foreman-Mackey, Geert Barentsen
core   +1 more source

Mesoscale Modeling of Titan’s Shangri‐La Region: The Impact of Surface Properties on Winds

Journal of Geophysical Research: Planets, Volume 131, Issue 10, October 2026.
Abstract The knowledge of Titan’s near‐surface atmosphere is sparse. The Huygens descent probe measured winds, and the multiple dune field observations and possible dust storms suggest active near‐surface dynamics. The Dragonfly rotorcraft lander will fly close to the surface in the Shangri‐La region, near the Huygens landing site, where complex dune ...
Maxence Lefèvre, Léa E. Bonnefoy, Aymeric Spiga, Bruno de Batz de Trenquelléon, Sébastien Lebonnois, Alexander G. Hayes   +5 more
wiley   +1 more source

How uncertainties on stellar atmospheric parameters impact exoplanet studies? [PDF]

, 2017
Exoplanet properties depend on how well the host star is characterized. For instance, the stellar atmospheric parameters (i.e., effective temperature, surface gravity and overall metallicity) are needed to derive the stellar mass and radius by using ...
Blanco-Cuaresma, Sergi
core   +1 more source

Propagation Dynamics of Fast Electron Beam and Its Electron Cyclotron Maser Emission

Journal of Geophysical Research: Space Physics, Volume 131, Issue 10, October 2026.
Abstract Fast electron beams (FEBs) and coherent radio bursts both are very common plasma activity phenomena in the cosmos. The electron cyclotron maser (ECM) instability driven by FEBs trapped in magnetic fields can directly amplify radio wave radiations.
Ling Chen, Dejin Wu, Jianfei Tang, Guoqing Zhao   +3 more
wiley   +1 more source

Venus as an exoplanet: effect of stellar, orbital, planetary and atmospheric properties upon composition, habitability and detectability

, 2023
The newly selected Venus missions EnVISION and VERITAS (Venus Emissivity, Radio Science, InSAR, Topography, and Spectroscopy) by ESA and NASA offer new opportunities for studying Venus but will also contribute to furthering our knowledge of Venus as an ...
Rauer, H, Grenfell, John Lee, Herbst, K, Sinnhuber, B.-M., Taysum, Benjamin, Wunderlich, Fabian, Helbert, Jörn, Arnold, Gabriele, Heike Rauer, Jörn Helbert, John Lee Grenfell, Fabian Wunderlich, Miriam Sinnhuber, Benjamin Taysum, Gabriele Arnold, Konstatin Herbst   +15 more
core   +1 more source

Inferring Io's Internal Properties by Combining Gravity Measurements and Volcanic Activity

Journal of Geophysical Research: Planets, Volume 131, Issue 9, September 2026.
Abstract With its extreme geological activity, Io represents an archetype for tidally heated exoplanets/moons and provides insight into early stages of terrestrial planet evolution. Decades of ground‐based observations and multiple space missions have refined our understanding of Io, yet it remains debated where inside Io the tidal heating takes place.
A. Veenstra, M. Rovira‐Navarro, W. van der Wal   +2 more
wiley   +1 more source

Correlations between the stellar, planetary, and debris components of exoplanet systems observed by Herschel [PDF]

, 2014
J.P.M., C.E., J.M. and B.M. are partially supported by Spanish grant AYA 2011-26202. This work was supported by the European Union through ERC grant number no.
Lestrade, J.-F., Olofsson, G., G. Olofsson, G. Bryden, C. Eiroa, Horner, J., Eiroa, C., J. Sanz-Forcada, Meeus, G., Pilbratt, G.L., Moro-Martin, Amaya, Lestrade, J. -F., Meeus, Gwendolyn, White, G.J., Olofsson, Goran, Kennedy, G., Ivison, R. J., A. Moro-Martín, Sanz-Forcada, J., Wyatt, M.C., G. Meeus, Lestrade, J-E, J. P. Marshall, Ivison, Robert J., Marshall, J.P., Greaves, J. S., J. S. Greaves, Eiroa, Carlos, J. Horner, Greaves, J.S., G. Kennedy, Maldonado, J., R. J. Ivison, Sibthorpe, B., White, Glenn J., Wyatt, Mark C., Wyatt, M. C., Matthews, B., Del Burgo, C., Moro-Martín, A., Montesinos, B., Kennedy, G. M., J.-F. Lestrade, del Burgo, Carlos, J. Maldonado, Pilbratt, G. L., Olofsson, Göran,, Bryden, G., B. Sibthorpe, Marshall, J. P., Forcada, Jorge Sanz, White, G. J., Mora, A., B. Matthews, B. Montesinos, Maldonado, Jesús, C. del Burgo, Ivison, R.J., G. L. Pilbratt, M. C. Wyatt, Lestrade, Jean-François, Matthews, B. C., A. Mora, G. J. White, Horner, Jonathan, Lestrade J, Wyatt MC, Ivison RJ, Eiroa C, Olofsson G, White GJ, Marshall JP, del Burgo C, Kennedy G, Maldonado J, Meeus G, Matthews B, Bryden G, Sibthorpe B, Montesinos B, Sanz-Forcada J, Pilbratt GL, Horner J, Mora A, Greaves JS, Moro-Martín A   +85 more
core   +1 more source