Start Date: End Date: Published Date Data Date
An Expanse of White in Bolivia
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Published December 9, 2014
The evaporation of several prehistoric lakes contributed to the formation of Salar de Uyuni, the world’s largest salt flat.
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Central Saudi Arabia: Riyadh and dunes
Published December 8, 2014
Astronauts aboard the International Space Station took this photograph when the desert center of Arabia was partly obscured by a dusty atmosphere.
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Amazon River in Sunglint
Published December 1, 2014
Astronauts use the Sun’s reflection point to reveal features that are otherwise difficult or impossible to see.
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Anvil on the Horizon
Published November 24, 2014
As moisture-filled thunderhead clouds expand upward through the atmosphere, they can hit a more stable layer and flatten into an anvil shape.
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Florida at Night
Published November 17, 2014
The peninsula is highly recognizable even at night, especially when looking north, as our map-trained brains expect.
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Smog or Fog? Actually, a Bit of Both
Published November 11, 2014
A photograph by an astronaut leads us to a teachable moment about what’s in our air.
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El Paso and Ciudad Juárez
Published November 10, 2014
This astronaut photograph shows these sister cities on the Rio Grande, the second largest metropolitan area on the Mexico–U.S. border.
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Fire Scar and Dune Shapes, Southeastern Australia
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Published November 3, 2014
Recent fires burned away the vegetation cover of desert scrub to reveal a sheet of white sand and barchan dune patterns.
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Inland Delta of the Niger River
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Published October 27, 2014
For millennia, the river has been the most important water supply in the western Sahara Desert.
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Kansas City Metropolitan Area
Published October 25, 2014
The hometown of a 2014 World Series contender is brimming with baseball history.
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Southwestern USA at Night
Published October 20, 2014
This wide-angle panorama shows a huge swath of the western United States from Portland to Phoenix.
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