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Von Karman Vortices
A satellite image taken of cloud formations over Alaska's Aleutian Islands. Also called Von Karman Vortices, the formations are created when air flows over and around objects in their path to create spiraling eddies in the sky. These particular eddies formed when winds swept east across the northern Pacific Ocean, where they hit the Aleutian Islands.
A satellite picture taken of a whirlpool cloud, which was shaped by high-altitude winds, that moved over the sea between Spain and Morocco.
This image of Messier 101 is the most detailed photo of a spiral galaxy to come from research using the Hubble telescope. It is a composite of 51 images from the Hubble as well as photos shot from the ground.