Episode Details

In today's image, we see a pair of galaxies which are in the process of merging. Galactic mergers like this can take billions of years as the galaxies will make many approaches to one another before finally merging into a single galaxy.

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.

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This work is licensed under a Creative Commons Attribution 4.0 International License.