Differences between discs of active and non-active galaxies detected for the first time

A study led by researchers at the Instituto de Astrofísica de Canarias (IAC) comparing the discs of several pairs of spiral galaxies, active and non-active, concludes that in the active discs, the rotational motion of the stars is of greater importance.

Source:
https://phys.org/news/2020-08-differences-discs-non-active-galaxies.html