A new three-dimensional reconstruction of the Local Group (142 confirmed members) and nearest galaxies (6 members) is presented, addressing the lack of up-to-date visual representations that reflect the rapid pace […]
Research Notes of the AAS
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Intelligence & Language, SETI & Technosignatures, Status Report
Wind Power As A Technosignature On M-dwarf Planets
We suggest that the large-scale deployment of wind turbines on an M-dwarf planet could produce observable technosignatures.
Posted inAstrogeology, Astronomy & Telescopes, Comets and Asteroids, Imaging & Spectroscopy, Interstellar, Status Report
Comparative Analysis of Polarization in Interstellar Comet 3I/ATLAS with Distant Solar System Comets
We analyze polarimetric measurements of the interstellar Comet 3I/ATLAS reported recently by Z. Gray et al. Comparison with distant solar system comets suggests no significant difference in the microphysics of […]
Posted inAlpha Centauri, Astronomy & Telescopes, Exploration Gear & Tech, Imaging & Spectroscopy, Press Release
A Preliminary Search For Planets and Exozodiacal Emission Around Alpha Centauri A with JWST/MIRI
We present F1550C (15.5 μm) coronagraphic imaging observations of the nearest solar-type star α Cen A using the James Webb Space Telescope (JWST) Mid-InfraRed Instrument (MIRI).