Playing hide-and-seek with colliding dying galaxies
Smashing with a neighbor can kill a galaxy – but is this how most of them die? Today’s authors look at mergers among the dying galaxies to find out!
![[Galaxies sprinting] through the valley](https://astrobites.org/wp-content/uploads/2022/03/featured-320x260.png)
[Galaxies sprinting] through the valley
Do galaxies walk, crawl, or run through the green valley? Turns out, depends on the galaxy – but only the fast ones quench!
Choose your own adventure: 3 ways to kill a massive disk galaxy
What kills the most massive disk galaxies in the Universe? Their own bulge, a sneaky bar, or a giant black hole? Let’s find out!