This distant galaxy has lost 95% of its brightness in less than 20 years
ⓘ NASA – Unsplash An image showing a spiral galaxy. Astronomers have discovered a galaxy located about 10…
A Planetary Illusion’s Funeral: Non-detection of a Gaia DR3 Exoplanet Candidate, and the Role of Intermediate-precision Radial Velocities in Gaia Exoplanet Follow-up
TRES RV observations of HD 12800. We mark the dates of announcement (2022-06-13) and official retraction (2024-05-27) for…
Proton Irradiation of Primitive Atmospheres of Young Exoplanets And Early Earth: N2O Greenhouse Warming And Prebiotic Synthesis
The figure shows the HPLC Chromatograms of Amino Acids produced in the Sample B5 irradiation run. — astro-ph.EP…
The Influence Of Hypothetical Exomoons On Planetary Thermal Phase Curves
Temperature distributions and thermal phase curves of the TRAPPIST-1 e system. Panel (a): Snapshot of the effective emission…
JWST Edge-on Disk Ice (JEDIce): Program Overview And Ice Survey Results
Optical depth maps of the near-IR H2O, CO2, and CO ice features in the disk sample, calculated for…
Wind Accretion Onto Planets Orbiting An Evolving Solar-like Star And Their Detectability
Evolution of the stellar mass-loss rate (𝑀̇ w) and wind velocity (𝑣w) obtained from our 2 M⊙ stellar…
Rocky Worlds DDT Data Challenge and Data Challenge Workshop
Rocky Worlds Director’s Discretionary Program The Rocky Worlds DDT Core Implementation Team (CIT) will soon launch the Rocky…
Astronomers Create Catalogue of Habitable-Zone Rocky Exoplanets
Using data from ESA’s Gaia mission and the NASA Exoplanet Archive, astronomers at Cornell University have identified 45…
Searching For Life-As-We-Don’t-Know-It: Mission-relevant Application of Assembly Theory For Exoplanet Life Detection
Potentially habitable worlds – Grok via Astrobiology.com This white paper introduces a framework for applying Assembly Theory (AT)…
Astronomers Witness Aftermath of Catastrophic Planetary Collision
An unusual flickering of a young F-type star called Gaia20ehk and an expanding cloud of dust around it…
The Effect of Planetary Rotation Period on Clouds in a Global Climate Model with a Bin Microphysics Scheme
Liquid CWP distributions for different rotation periods (columns). The top row shows zonal mean values for MG (blue)…
Photosynthetic Exergy I. Thermodynamic Limits For Habitable-zone Planets
Spectral flux and exergy at the top of the atmosphere for three blackbody models, all normalized to the…