In this paper, we present YunMa, a model which enables the study of cloud microphysics and radiative properties in exoplanetary atmospheres.
astro-ph.EP
Posted inAstronomy & Telescopes, Biosignatures & Paleobiology, Habitable Zones, Plant Biology, Status Report
A New Definition of Exoplanet Habitability: Introducing the Photosynthetic Habitable Zone
It may be possible to detect biosignatures of photosynthesis in an exoplanet’s atmosphere. However, such a detection would likely require a dedicated study, occupying a large amount of telescope time.
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Status Report
A Possible Converter to Denoise the Images of Exoplanet Candidates through Machine Learning Techniques
The method of direct imaging has detected many exoplanets and made important contribution to the field of planet formation.
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Status Report
A JWST NIRSpec Phase Curve for WASP-121b: Dayside Emission Strongest Eastward of the Substellar Point and Nightside Conditions Conducive to Cloud Formation
We present the first exoplanet phase curve measurement made with the JWST NIRSpec instrument, highlighting the exceptional stability of this newly-commissioned observatory for exoplanet climate studies.
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, SETI & Technosignatures, Status Report
Multibeam Blind Search of Targeted SETI Observations Toward 33 Exoplanet Systems With FAST
The search for extraterrestrial intelligence (SETI) is to search for technosignatures associated with extraterrestrial life, such as engineered radio signals.
Posted inAstrochemistry, Astrogeology, Europa, Ganymede, Icy Worlds, Status Report
Early Stages Of Galilean Moon Formation In A Water-depleted Environment
A key feature of the Galilean satellite system is its monotonic decrease in bulk density with distance from Jupiter, indicating an ice mass fraction
Posted inAtmospheres, Climate, Weather, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Neptune, Status Report
Atmospheric Chemistry of Secondary and Hybrid Atmospheres of Super Earths and Sub-Neptunes
The atmospheres of small exoplanets likely derive from a combination of geochemical outgassing and primordial gases left over from formation.
Posted inAtmospheres, Climate, Weather, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Press Release
Climate And Atmospheric Models Of Rocky Planets: Habitability And Observational Properties
The quest for atmospheric spectral signatures that may witness biological activity in exoplanets is focused on rocky planets.
Posted inAstrochemistry, Astronomy & Telescopes, Biosignatures & Paleobiology, Status Report
An Ice Age JWST Inventory Of Dense Molecular Cloud Ices
Icy grain mantles are the main reservoir of the volatile elements that link chemical processes in dark, interstellar clouds with the formation of planets and composition of their atmospheres.
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Status Report
Tidal Distortions As A Bottleneck On Constraining Exoplanet Compositions
Improvements in the number of confirmed planets and the precision of observations imply a need to better understand subtle effects that may bias interpretations of exoplanet observations.