In today's image, we see radio jets curving away from the centers of two active galaxies. The radio emission is caused by electrons spiraling around magnetic field lines producing what is called synchrotron radiation.
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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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