In today's image, we see an unusual type of cloud known as an Asperitas cloud as imaged about 20 years ago, but not formally identified as a distinct cloud type until about a decade later.
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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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