In today's image, we see noctilucent or night shining clouds. These are clouds that are high enough in Earth's atmosphere that they can be seen illuminated by the Sun at times just before sunrise or just after sunset.

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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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