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Under the big dipper
by:Β Mikhail Reva
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The Colors of Saturn from Cassini Image Credit: NASA, ESA, JPL, ISS, Cassini Imaging Team; Processing & License: Judy Schmidt
Explanation: What creates Saturnβs colors? The featured picture of Saturn only slightly exaggerates what a human would see if hovering close to the giant ringed world. The image was taken in 2005 by the robot Cassini spacecraft that orbited Saturn from 2004 to 2017. Here Saturnβs majestic rings appear directly only as a curved line, appearing brown, in part from its infrared glow. The rings best show their complex structure in the dark shadows they create across the upper part of the planet. The northern hemisphere of Saturn can appear partly blue for the same reason that Earthβs skies can appear blue β molecules in the cloudless portions of both planetβs atmospheres are better at scattering blue light than red. When looking deep into Saturnβs clouds, however, the natural gold hue of Saturnβs clouds becomes dominant. It is not known why southern Saturn does not show the same blue hue β one hypothesis holds that clouds are higher there. It is also not known why some of Saturnβs clouds are colored gold.
β Source: apod.nasa.gov/apod/ap240623.html
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Roger Williams Park, Providence, RI. Photos by Frank C. Grace
Β My ambition is handicapped by laziness. -C. Bukowski Β Β Me gustan las personas desesperadas con mentes rotas y destinos rotos. EstΓ‘n llenos de sorpresas y explosiones. -C. Bukowski. I love cats. Born in the early 80's, raised in the 90's. I like Nature, Autumn, books, landscapes, cold days, cloudy Windy days, space, Science, Paleontology, Biology, Astronomy, History, Social Sciences, Drawing, spending the night watching at the stars, Rick & Morty. I'm a lazy ass.
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