Rocky planets orbiting M-dwarf stars are among the most promising and abundant astronomical targets for detecting habitable climates.
Atmospheres, Climate, Weather
Posted inAtmospheres, Climate, Weather, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Press Release
On The Application of Bayesian Leave-One-Out Cross-Validation to Exoplanet Atmospheric Analysis
Over the last decade, exoplanetary transmission spectra have yielded an unprecedented understanding about the physical and chemical nature of planets outside our solar system. Physical and chemical knowledge is mainly […]
Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Exoplanets, -moons, -comets, Habitable Zones, Icy Worlds, Press Release, Water/Hycean Worlds & Oceanography
Liquid Water On Cold Exo-Earths Via Basal Melting Of Ice Sheets
Liquid water is a critical component of habitability. However, the production and stability of surficial liquid water can be challenging on planets outside the Habitable Zone and devoid of adequate […]
Posted inAstrogeology, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Icy Worlds, Imaging & Spectroscopy, Mars, Press Release
Melting Possibility Of Remnant Seasonal Water Ice Patches On Mars
On Mars it is possible that after the recession of the seasonal polar ice cap, small icy patches left behind in shady places due to the low thermal conductivity of […]
Posted inAtmospheres, Climate, Weather, Imaging & Spectroscopy, Missions & Hardware, Press Release, SETI & Technosignatures, Space Stations
Observation Of Night-time Emissions Of The Earth In The Near UV Range From The International Space Station With The Mini-EUSO detector
Mini-EUSO (Multiwavelength Imaging New Instrument for the Extreme Universe Space Observatory) is a telescope observing the Earth from the International Space Station since 2019.
Posted inAstrogeology, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Exoplanets, -moons, -comets, Lava / magma ocean / Volcanic Worlds, Status Report
Solubility Of Water In Peridotite Liquids And The Prevalence Of Steam Atmospheres On Rocky Planets
Atmospheres are products of time-integrated mass exchange between the surface of a planet and its interior. On Earth and other planetary bodies, magma oceans likely marked significant atmosphere-forming events, during […]
Posted inAstrobiology (general), Astrogeology, Atmospheres, Climate, Weather, Biosignatures & Paleobiology, Missions & Hardware, Press Release
Planetary Exploration Horizon 2061 Report, Chapter 4: From Planetary Exploration Goals To Technology Requirements
This chapter reviews for each province and destination of the Solar System the representative space missions that will have to be designed and implemented by 2061 to address the six […]
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Biosignatures & Paleobiology, Icy Worlds, Imaging & Spectroscopy, Press Release, Titan
Webb, Keck Telescopes Team Up to Track Clouds on Saturn’s Moon Titan
On the morning of Saturday, Nov. 5, an international team of planetary scientists woke up with great delight to the first Webb images of Saturn’s largest moon, Titan.
Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Press Release, Venus
There Is No Phosphine On Venus According To SOFIA
Phosphine is a gas found in Earth’s atmosphere, but the announcement of phosphine discovered above Venus’s clouds made headlines in 2020.
Posted inAtmospheres, Climate, Weather, Extinction events, Press Release
Earth Might Be Experiencing A Seventh Mass Extinction, Not The Sixth
Earth is currently in the midst of a mass extinction, losing thousands of species each year. New research suggests environmental changes caused the first such event in history, which occurred […]