Today we"re traveling to outer space to catch a glimpse of the Caloris Basin on the planet Mercury. This small planet—about the size of Earth"s moon—is riddled with craters, but none as spectacular as the Caloris Basin. One of the largest impact craters in the solar system, Caloris is about 950 miles across and ringed by mile-high mountains.
Mercury in retrograde
Today in History
More Desktop Wallpapers:
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Fallow deer, Bradgate Park, Leicestershire, England
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Speed skaters in the Gangneung Oval, Pyeongchang, South Korea
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Australian baobab tree, Kimberley region, Western Australia
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A sleeping green giant
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At the foot of Dubrovnik s Gibraltar
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Burns Night
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Keep calm and drive on (slowly)
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It s truffle season here in the Dordogne Valley
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Rays on parade
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Ölüdeniz, Turkey
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Beaver achievers
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A river runs through rice fields
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Let’s celebrate
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Explorer of the sea
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Big sky at Big Bend
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Diving into World Oceans Day
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Breaking the fast for Eid
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Hanging out on a limb
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Honoring some real heroes of World War II
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Beavers Bend
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Baltic Sea, Estonia
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Aprils full moon
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Heceta Head Light, Florence, Oregon
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Groundhog Day
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Get on your bike and ride
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Porto Cathedral, Portugal
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International Jazz Day
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South Padre Island, Texas
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National Park Week: Everglades National Park
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Paper lanterns on the longest night