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Two years ago, NASA's Curiosity Mars rover captured this feathery iridescent cloud after sunset. The color is created by diffraction effects when sunlight is scattered by small CO2 particles in the cloud.
Full panorama: https://flic.kr/p/2qJvszB
Credit: NASA/JPL-Caltech/MSSS/Simeon Schmau脽
#Noctilucent #iridescent #nacreous #cloud #mars #curiosity #nasa #space
