In today's image, we see an all sky image looking at the motions of millions of stars measured by the Gaia satellite. The red motion is motion away and the blue shows motion towards us.
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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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