Massive galaxies experience complex evolutionary processes, including mergers and gas accretion, which can disrupt the chemical equilibrium between their stellar and gaseous components.
M31
Posted inAstronomy & Telescopes, Intelligence & Language, Interstellar, SETI & Technosignatures, Status Report
Artificial Broadcasts as Galactic Populations: II. Comparing Individualist and Collective Bounds on Broadcast Populations in Single Galaxies
The search for extraterrestrial intelligence includes efforts to constrain populations of artificial broadcasts in other galaxies.
Posted inAstronomy & Telescopes, Biosignatures & Paleobiology, Imaging & Spectroscopy, Intelligence & Language, SETI & Technosignatures, Status Report
The Local Galactic Transient Survey Applied to an Optical Search for Directed Intelligence
We discuss our transient search for directed energy systems in local galaxies, with calculations indicating the ability of modest searches to detect optical Search for Extraterrestrial Intelligence (SETI) sources in […]