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Ridges and Valleys of the Zagros Mountains
Published January 8, 2023
This astronaut photograph illustrates the undulating geology of a segment of the mountain range in southern Iran.
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Kashmir Valley Haze
Published December 31, 2022
A mixture of smog, smoke, and dust hung over the ancient lake basin surrounded by the Himalayas.
China’s Celestial Mountains
Published December 29, 2022
Glaciers on these heavenly mountains are a source of freshwater for farmers in Central Asia.
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Great Lakes Dressed for Winter
Published December 30, 2022
Land and water were decorated with snow and ice when astronauts looked down on the region in February 2022.
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South America’s West Coast Wonders
Published December 26, 2022
From volcanoes to salt flats, the mountainous region of Chile, Peru, and Bolivia is home to a range of compelling landscapes.
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Quartet of Snowy Cascade Volcanoes
Published December 25, 2022
Four of the range’s prominent volcanoes—Rainier, St. Helens, Adams, and Hood—were on full display in February 2022.
Cold and Hot Yellowstone Lake
Published December 27, 2022
Beneath a layer of snow and ice, exceptionally hot fluids rise from the floor of Yellowstone Lake.
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Montreal Islands
Published December 24, 2022
Canada’s second-most populous city occupies the largest of hundreds of islands within the Hochelaga Archipelago.
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Icy Lake Paiku
Published December 23, 2022
This deep lake on the southern Qinghai-Tibet Plateau freezes over during winter, curbing the large changes in lake level observed during other seasons.
Snow Day in Delmarva
Published December 21, 2022
The Mid-Atlantic coast occasionally sees snow, but rain has become increasingly common over time.
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Strait of Messina
Published December 18, 2022
Sunglint, waves, and ship wakes are visible on the waters between Italy’s Calabria region and Sicily.
The Frozen Landscape of Isle Royale
Published December 11, 2022
The park is one of the most isolated natural areas in the continental United States and the site of long-running ecological studies.
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