Appearance and Colors of the Atmosphere1

Appearance and Colors of the Atmosphere1 - Appearance and...

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Appearance and Colors of the Atmospheres Mars' carbon dioxide atmosphere is also mostly transparent to visible light. Its thin white clouds are mostly water ice crystals. Near the poles the temperature is cold enough that carbon dioxide can freeze to form white clouds of carbon dioxide ice crystals. Some clouds have a yellow color because they are composed of fine dust particles a few micrometers across. Astronomers expected Mars' sky to have a deep blue color as seen from the surface because the atmosphere is only one percent the thickness of the Earth's atmosphere. However, pictures from the Mars surface landers show the martian sky to be pink from sunlight bouncing off dust particles blown off Mars' red surface. Two views of Mars from two generations of Mars explorers: Viking 2 lander on left and Mars Pathfinder on right. Jupiter's atmosphere is very dynamic and colorful and Saturn's atmosphere is a muted version of Jupiter's. Even though their atmospheres are primarily hydrogen and helium, the clouds of
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Appearance and Colors of the Atmosphere1 - Appearance and...

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