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Grey Glacier, Chile
Published June 25, 2007
The Southern Patagonian Icefield of Chile and Argentina hosts several spectacular glaciers—including Grey Glacier located in the Torres del Paine National Park in Chile. This glacier, which in 1996 had a measured total area of 270 square kilometers and a length of 28 kilometers (104 square miles in area, 17 miles long), begins in the Patagonian Andes Mountains to the west and terminates in three distinct lobes into Grey Lake (upper image).
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Iceberg A22A, South Atlantic Ocean
Published June 18, 2007
The iceberg A22A was photographed when it was about a third of the distance from South America towards Cape Town, South Africa. A22A is one of the largest icebergs to drift as far north as 50 degrees south latitude, bringing it beneath the daylight path of the International Space Station (ISS). A series of parallel lines can be seen in the lower image. These are probably “hummocks,” dunes of snow that have solidified, and they date back to the time when the iceberg was connected to Antarctica. A developing fracture in the ice can be seen in the lower, detailed view.
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Southern Everglades National Park, Florida
Published June 11, 2007
Everglades National Park in southern Florida is the largest subtropical wilderness in the United States. Known as the “river of grass,” the Everglades wetlands and wooded uplands host a variety of endangered species including crocodiles, manatees, and panthers.
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Den Helder, Netherlands
Published June 4, 2007
The city and harbor of Den Helder in the northern Netherlands has been the home port of the Dutch Royal Navy for over 175 years. The location provides access to the North Sea, which has made it an important commercial and strategic port. Bright red agricultural fields to the south of Den Helder indicate another noteworthy aspect of the region—commercial farming of tulips and hyacinth.
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Concepcion Volcano, Nicaragua
Published May 29, 2007
Concepción Volcano is one of the tallest and most active of Nicaragua’s volcanoes. The 1,610-meter (5,280-foot), cone-shaped volcano is the northern half of dumbbell-shaped Isla de Ometepe. To the northwest of the crater, a very faint plume (probably steam) creeps like fog down the mountain, blurring the sharp gullies that carve the volcano’s flanks.
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Monteregian Hills, Quebec, Canada
Published May 28, 2007
This astronaut photograph of the area to the east of Montreal, Canada, captures two striking patterns. The circular features are the central members of a group of unusual rock formations known as the Monteregian Hills: Mont St. Hilaire, Rougemont, and Mont Yamaska. The rectangular pattern blanketing the landscape in the background reveals the intensive agriculture in the fertile lowlands in southern Quebec.
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Salt Ponds, Botswana
Published May 13, 2007
This detailed astronaut photograph shows the salt ponds of one of Africa’s major producers of soda ash (sodium carbonate) and salt. Soda ash is used for making glass, in metallurgy, in the detergent industry, and in chemical manufacture. The image shows a small part of the great salt flats of central Botswana known as the Makgadikgadi Salt Pans.
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November 2006 Smog Event, U.S. Northeast
Published May 7, 2007
Images of haze over the northeastern United States are shown for November 2006.
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Kwangju, South Korea
Published April 30, 2007
Kwangju (or Gwangju) Metropolitan City is the fifth largest urban area in South Korea. With a population of 1.4 million people, it is a major economic and cultural center for the southern portion of the country. The city is located in a geographic basin with high mountains to the east—the mountain of Mudeungsan has a peak elevation of 1,140 meters (3,740 feet)—and more open plains to the west.
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Venice, Italy
Published April 23, 2007
A space-based perspective of the city of Venice quickly reveals different development and land uses in the region; the major islands in the lagoon surrounding Venice—Laguna Veneta—look different from one another. The island of Venice itself, a dense urban landscape, appears almost uniformly covered with red-tiled roofs. By contrast, port facilities and the train station at the west end of the island appear in shades of gray.
Isles of Scilly, UK
Published April 16, 2007
The Isles of Scilly, an archipelago of approximately 150 islands, are located some 44 kilometers southwest of the westernmost point of England (Land’s End). They have been inhabited for over 4,000 years, and historical and geological evidence on the Isles indicates that many of the islands were larger and/or connected in the recent past.
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Plume at Shiveluch Volcano, Kamchatka Peninsula, Russia
Published April 9, 2007
Shiveluch, one of Kamchatka’s most active volcanoes, began its latest activity with gas and steam emissions in mid- to late March 2007. This image was taken by astronauts aboard the International Space Station (ISS) around mid-morning on or around March 21, 2007. It shows a steam plume, probably containing minor amounts of ash, blowing westward from the summit of the volcano. The astronauts were crossing over the southern tip of Russia’s Kamchatka Peninsula, with a clear view of the volcano about 5 degrees north of the ground track of the ISS. Subsequent eruptions on March 29 and 30 have been recorded by the Kamchatka Volcano Observatory and NASA satellites.
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