
The Bullseye Galaxy: A Ring Galaxy with a resonant touch | By Ethan Siegel | Start with an explosion! | February 2025
Before the pioneering work of 2025 who discovered the Bullseye galaxy, which is shown here, no galaxy had more than three concentric rings discovered within it. The Bullseye galaxy has at least 9, and potentially more that have vanished, due to a galactic collision that occurred a shortage of 50 million years ago. (Credit: NASA,…