Astronomy Picture of the Day ·

A Roll Cloud Over Wisconsin

The Astronomy Picture of the Day for August 20, 2023 is “A Roll Cloud Over Wisconsin,” an image. It is credited to Credit: Megan Hanrahan ( Pierre cb ), Wikipedia. The original explanation runs about 138 words.

Building in a city are pictured. Above the buildings appears a long dark cylindrical cloud that goes to the horizon. Please see the explanation for more detailed information.
Credit: Megan Hanrahan ( Pierre cb ), Wikipedia Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“What kind of cloud is this? A type of arcus cloud called a roll cloud .”

— APOD editors, August 20, 2023

Read the full explanation on science.nasa.gov

At a glance

Date
August 20, 2023
Type
Image
Credit
Credit: Megan Hanrahan ( Pierre cb ), Wikipedia
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 138 words

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Source

Copy taken Oct 28, 2026, 2:39 AM EDT. The image and explanation belong to their creators. OpenOrbit is not affiliated with or endorsed by NASA.