It would be pretty tough to live on Mars. It"s cold, dry, and the conditions are harsh. The planet"s average temperature is about –81 degrees Fahrenheit, but it can get as low as –243 at the poles. But with many canyons, extinct volcanoes, and ice caps, it"s beautiful to look at from afar. Most photos of the red planet highlight its rusty color, caused by high levels of iron oxide.
Gamboa Crater, Mars
Today in History
More Desktop Wallpapers:
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Bridge to infinity
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Sea Otter Awareness Week
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Gdańsk on the banks of the Motława, Poland
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A gorge-ous mill in the Causses
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Celebrating Bike to Work Week, May 14-18
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Here s looking Atchafalaya
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Hanging out on a limb
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West Cornwall Covered Bridge, Connecticut
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Is that a face in the sand?
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Papa was a flightless bird
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Pups of the prairie
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Penn Station
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Happy Easter!
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Porto Cathedral, Portugal
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World Otter Day
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Maya site of Copán
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Here’s why landmarks are going dark
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Clouds over the River of Grass
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Springtime in the Mediterranean
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A bull, some flowers, and a stratovolcano
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Unbearable cuteness
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Corkscrew Swamp Sanctuary
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April Fools Day
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Glacial rivers in Iceland
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An endless journey
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Sanday Island and the North Sea, Scotland
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Shark Awareness Day
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A dramatic view of Sicily
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Arrr, it be Talk Like a Pirate Day
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Anniversary of Natural Bridges National Monument, Utah
Bing Wallpaper Gallery

