In today's image, we see an image of the universe as imaged by the COBE satellite which measured the cosmic background radiation. The red and blue regions show the parts of the sky that we are moving away from and towards respectively. However, the large magnitude of our overall motion is still something that we cannot explain.
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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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