A short paper that says while galaxies molecular gas has been declining since the peak of star formation, their atomic mass has actually kept growing. So somehow their star formation activity is becoming ever-less efficient. Annoyingly, they don't bother to speculate as to what might be causing this though.
#Science
#Astronomy
#Galaxies
#Astrophysics
https://llittlephysicists.blogspot.com/2023/10/its-gotta-come-from-somewhere.html