Start Date: End Date: Published Date Data Date
Southern Italian Peninsula at Night
Published July 4, 2011
City lights trace the outline of Italy's “boot” and the island of Sicily.
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Okavango Swamp, Botswana
Published June 27, 2011
Sometimes called the Jewel of the Kalahari, the area is an enormous, pristine wetland that almost miraculously appears out of a desert.
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Nabro Volcano Before Eruption
Published June 20, 2011
Astronauts on the International Space Station snapped this photograph of the volcano in Eritrea just months before it erupted for the first time in recorded history.
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Estuaries, Northwest Coast of Madagascar
Published June 13, 2011
This astronaut photograph highlights two biologically productive estuaries on the coast of Madagascar.
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Äzmir, Turkey
Published June 6, 2011
Ä°zmir is Turkey’s third most populous city and its second largest port, and its history dates back at least 3,500 years.
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Ar Rub’ al Khali Sand Sea, Arabian Peninsula
Published May 30, 2011
The Ar Rub’ al Khali, or Empty Quarter, covers much of the south-central portion of the Arabian Peninsula and is the largest continuous sand desert on Earth.
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U.S. Atlantic Seaboard at Night
Published May 23, 2011
One of the largest conurbations in the world is located along East Coast of the United States, and stretches from Boston to Washington.
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River Deltas, Lake Ayakum, Tibet
Published May 9, 2011
This astronaut photograph highlights two river deltas along the southwestern shoreline of Lake Ayakum, near the northern boundary of the Tibetan Plateau.
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Sunset over Western South America
Published April 25, 2011
The changeover between day and night is marked by the terminator, a line on Earth's surface separating the sunlit side from the darkness.
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Bassas da India in Sunglint
Published April 18, 2011
A photograph of an uninhabited atoll in the Indian Ocean has an almost surreal quality due to varying degrees of sunglint.
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One Pinnacle of Human Achievement to Another
Published April 13, 2011
Astronauts on flight STS-1 captured this view of the Tigris and Euphrates through a viewport on the space shuttle during its first flight in April 1981.
Irrigation along the Shebelle River
Published April 11, 2011
The Shebelle River has its headwaters in the Ethiopian Highlands, and transports water and sediment 1,000 kilometers to the southeast across Ethiopia and into Somalia.