2026 May 21 - A Collision of Galaxy Clusters

In today's image, we see galaxy clusters colliding. We can especially see this in the x-ray overlay which shows the spiral of swirling gas from the collision.My podcasts are available in video form through this YouTube Channel.This Podcast is an authorized New Media Mirror Site for APOD. You can access the image and website directly at: Astronomy Picture of the Day. You can use the archive link below the image to select the photo corresponding to the date of this podcast.I welcome comments and suggestions about these podcasts. I can be reached here: [email protected] work is licensed under a Creative Commons Attribution 4.0 International License.