In today's image, we see Rubin's Galaxy - A huge spiral galaxy - 8 times the size of our Milky Way. It was one of the galaxies studied by Vera Rubin in the 1970s that helped to demonstrate the existence of Dark Matter.
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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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