With the arrival of JWST observations of the TRAPPIST-1 planets, it is timely to reassess the contribution of tidal heating to their heat budget. JWST thermal phase curves could reveal […]
JWST
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Interstellar, Press Release
Hubble Reveals The Largest Chaotic Birthplace of Planets Yet Discovered
Astronomers using NASA’s Hubble Space Telescope have imaged the largest protoplanetary disk ever observed circling a young star. For the first time in visible light, Hubble has revealed the disk […]
Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Desert Worlds, Exoplanets, -moons, -comets, Status Report
Large-amplitude Variability Driven By Giant Dust Storms On A Planetary-mass Companion
Large-amplitude variations are commonly observed in the atmospheres of directly imaged exoplanets and brown dwarfs. VHS 1256B, the most variable known planet-mass object, exhibits a near-infrared flux change of nearly […]
Posted inAtmospheres, Climate, Weather, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Status Report
Multicolour Validation Of Two Temperate Mini-Neptunes Around M-dwarf Habitable Zones
For small planets orbiting within the habitable zones of their host stars, multicolour validation via photometric transit observations offers an efficient alternative to prioritize targets before intensive radial-velocity follow-up, thereby […]
Posted inAstrochemistry, Atmospheres, Climate, Weather, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Status Report
A JWST Transmission Spectrum Of The Temperate Sub-Neptune TOI-732 c
In recent years, JWST has facilitated detections of carbon-bearing molecules in the atmospheres of temperate sub-Neptunes orbiting M dwarfs, ushering in a new era in the characterization of this intriguing […]
Posted inAI - Data - Apps - Cybernetics, Analog Studies, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Exoplanets, -moons, -comets, Gaia - Planetary Perspectives, Status Report
Understanding The Chemistry Of Temperate Exoplanets Atmospheres Through Experimental And Numerical Simulations
Characterizing temperate exoplanet atmospheres remains challenging due to their small size and low temperatures.
Posted inAstrogeology, Astronomy & Telescopes, Comets and Asteroids, Exoplanets, -moons, -comets, Fomalhaut, Imaging & Spectroscopy, Press Release, Stellar Cartography
Hubble Sees Asteroids Colliding at Nearby Star for First Time
Like a game of cosmic bumper cars, scientists think the early days of our solar system were a time of violent turmoil, with planetesimals, asteroids, and comets smashing together and […]
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Status Report
JWST NIRSpec Finds No Clear Signs Of An Atmosphere On TOI-1685 b
Determining the prevalence of atmospheres on terrestrial planets is a core objective in exoplanetary science. While M dwarf systems offer a promising opportunity, conclusive observations of terrestrial atmospheres have remained […]
Posted inAstrogeology, Astronomy & Telescopes, Exoplanets, -moons, -comets, Gaia Mission, Imaging & Spectroscopy, Press Release
Gaia Finds Hints Of Planets In Baby Star Systems
Ever wondered how planetary systems like our own Solar System form? Thanks to the European Space Agency’s Gaia space telescope, we’re getting a unique peek behind the cosmic curtain into […]
Posted inAstrochemistry, Astrogeology, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Interstellar, Status Report
JWST/NIRSpec Detects Warm CO Emission In The Terrestrial-Planet Zone Of HD 131488
We have obtained a high-resolution, JWST NIRSpec 2.87 — 5.14 μm spectrum of the debris disk around HD 131488.