Sunday, January 16, 2022

APOD - A Retreating Thunderstorm at Sunset

Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

2022 January 16
The featured image shows a cumulonimbus cloud retreating  at sunset in 2013 over Alberta, Canada. The large cloud exhibits  mammatus clouds at the near end and rain at the far end.  Please see the explanation for more detailed information.

A Retreating Thunderstorm at Sunset
Image Credit & Copyright: Alan Dyer (The Amazing Sky)

Explanation: What type of cloud is that? This retreating cumulonimbus cloud, more commonly called a thundercloud, is somewhat unusual as it contains the unusual bumpiness of a mammatus cloud on the near end, while simultaneously producing falling rain on the far end. Taken in mid-2013 in southern Alberta, Canada, the cloud is moving to the east, into the distance, as the sun sets in the west, behind the camera. In the featured image, graphic sunset colors cross the sky to give the already photogenic cloud striking orange and pink hues. A darkening blue sky covers the background. Further in the distance, a rising, waxing, gibbous moon is visible on the far right.

Tomorrow's picture: angular space dust


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