We are of the opinion that several anomalies in the atmosphere of Venus provide evidence of yet-unknown processes and systems that are out of equilibrium.
astro-ph.EP
Posted inExoplanets, -moons, -comets, Habitable Zones, Press Release, Space Weather & Heliophysics
Inner Habitable Zone Boundary For Eccentric Exoplanets
The climate of a planet can be strongly affected by its eccentricity due to variations in the stellar flux.
Posted inImaging & Spectroscopy, Missions & Hardware, Press Release, Venus
Spectropolarimetry as a Means to Address Cloud Composition and Habitability for a Cloudy Exoplanetary Atmosphere in the Habitable Zone
In our solar system, the densely cloud-covered atmosphere of Venus stands out as an example of how polarimetry can be used to gain information on cloud composition and particle mean […]
Posted inExoplanets, -moons, -comets, Imaging & Spectroscopy, Press Release
EOS (Equation-Of-State) Manual For Exoplanets
The exoplanet field now abounds with new discoveries of planets and planetary systems. It is of great interest for the scientific community to understand the compositions and internal structures of […]
Posted inAtmospheres, Climate, Weather, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Press Release, Water/Hycean Worlds & Oceanography
TOI-1695 b: A Keystone Water World Elucidating Radius Valley Emergence Mechanisms Around Early M Dwarfs
Characterizing the bulk compositions of transiting exoplanets within the M dwarf radius valley (i.e. keystone planets) offers a unique means to establish whether the radius valley emerges from an atmospheric […]
Posted inAstrogeology, Exoplanets, -moons, -comets, Habitable Zones, Press Release, Space Weather & Heliophysics, TRAPPIST-1
Interior Heating Of Rocky Exoplanets From Stellar Flares With Application To TRAPPIST-1
Many stars of different spectral types with planets in the habitable zone are known to emit flares.
Posted inAstrochemistry, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Press Release, Venus
Large Interferometer For Exoplanets (LIFE): VIII. Where is the phosphine? Observing exoplanetary PH3 with a space based MIR nulling interferometer
Phosphine could be a key molecule in the understanding of exotic chemistry happening in (exo)planetary atmospheres. While it has been detected in the Solar System’s giant planets, it has not […]
Posted inAtmospheres, Climate, Weather, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Press Release
Analysis of the Planetary Mass Uncertainties on the Atmospherical Retrieval Accuracy
The properties of the atmospheres of the exoplanets depend on several interconnected parameters, making it difficult to determine them.
Posted inEnceladus, Icy Worlds, Missions & Hardware, Press Release
Moonraker: Enceladus Multiple Flyby Mission
Enceladus, an icy moon of Saturn, possesses an internal water ocean and jets expelling ocean material into space. Cassini investigations indicated that the subsurface ocean could be a habitable environment […]
Posted inAriel Mission, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Press Release
Exploring the Ability of HST WFC3 G141 to Uncover Trends in Populations of Exoplanet Atmospheres Through a Homogeneous Transmission Survey of 70 Gaseous Planets
We present the analysis of the atmospheres of 70 gaseous extrasolar planets via transit spectroscopy with Hubble’s Wide Field Camera 3 (WFC3).