Astronomers forge new field called "extragalactic archaeology," using changes in gas patterns to trace the evolution of a distant galaxy over 12 billion years of cosmic time

Submitted ⁨⁨2⁩ ⁨weeks⁩ ago⁩ by ⁨Innerworld@lemmy.world⁩ to ⁨astronomy@mander.xyz⁩

https://www.cfa.harvard.edu/news/space-archaeology-reveals-first-dynamic-history-giant-spiral-galaxy