Those Blue Rings Aren't Beautiful — They're A Crime Scene

追加: 2026-05-18

Collisional ring galaxies, which constitute less than 1% of all known galaxies, form when galaxies collide without destroying each other, instead triggering bursts of new star formation that create new solar systems from the impact; this process is predicted to occur when our Milky Way galaxy collides with the Andromeda galaxy in approximately 4.5 billion years.