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... looks like smoke / dust is distorting the light
Video compression artifacts include cumulative results of compression of the comprising still images, for instance ringing or other edge busyness in successive still images appear in sequence as a shimmering blur of dots around edges, called mosquito noise, as they resemble mosquitoes swarming around the object
... reddish or bluish glows hovering over certain craters and valleys. There are several explanations for them -