View allAll Photos Tagged Repeating
Why would the sky glow like a giant repeating rainbow? Airglow. Now air glows all of the time, but it is usually hard to see. A disturbance however -- like an approaching storm -- may cause noticeable rippling in the Earth's atmosphere. These gravity waves are oscillations in air analogous to those created when a rock is thrown in calm water. Red airglow likely originates from OH molecules about 87-kilometers high, excited by ultraviolet light from the Sun, while orange and green airglow is likely caused by sodium and oxygen atoms slightly higher up. While driving near Keluke Lake in Qinghai Provence in China, the photographer originally noticed mainly the impressive central band of the Milky Way Galaxy. Stopping to photograph it, surprisingly, the resulting sensitive camera image showed airglow bands to be quite prominent and span the entire sky. The featured image has been digitally enhanced to make the colors more vibrant. via NASA ift.tt/2FhJXqI
Taken for a photo challenge that I can't seem to find right now
Canon EOS REBEL T1i | Manual | ISO 100 | 1/200 sec | f/3.2 | 50mm lens | SpeedLite 380EX
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This is the 5th picture in the series.
I love this image. It is the underside of the roof of a tower on a playground playset. I may retake this to get the line straight but I kind of like it at the angle.
the tool kits in this photo repeat of into the distance and are important part of the composition and create a sense of unity.