Start Date: End Date: Published Date Data Date
North Antelope Rochelle Coal Mine, Wyoming
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Published October 10, 2005
The United States’ highest rate of coal production is in Wyoming, with almost 4 million short tons extracted in 2004. The majority of this coal is burned to generate electrical power within the United States, but a small percentage is also goes to Spain and Canada. The Powder River Basin in the northeastern portion of the state is the most productive of Wyoming’s coal fields. The extensive coal deposits—ranging in thickness from 21 to 53 meters (70 to 175 feet)—formed over 38-66 million years ago. The source of organic material for the coal originated in swamps, estuaries, and deltas associated with the regression (retreat) of a large inland seaway that occupied central North America during the Cretaceous Period, which spanned the years between about 144 to 65 million years ago.
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Dune Patterns, Namib Desert, Namibia
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Published October 3, 2005
This detailed view of the remote Conception Bay sector of the Namibian coastline shows breakers and a strand plain on the left and complex dunes of the Namib dune sea on the right. A strand plain is a series of dunes, usually associated with and parallel to a beach, sometimes containing small creeks or lakes. The complexity and regularity of dune patterns in the dune sea of the Namib Desert have attracted the attention of geologists for decades; however, they remain poorly understood. The flat strand plain (roughly 4 kilometers shown here) shows a series of wet zones that appear black where seawater seeps inland and evaporates. These patches are aligned with the persistent southerly winds, some of the strongest of any coastal desert.
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Mt. Rainier, Washington
Published September 26, 2005
A clear summer day over Washington state provided the International Space Station crew the chance to observe Mt. Rainier—a volcano that overlooks the Seattle metropolitan area and the 2.5 million people who live there. In addition to its presence on the Seattle skyline, Mt. Rainier also looms large among volcanoes in the United States.
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Yellowstone Lake, Wyoming
Published September 5, 2005
This astronaut photograph is centered on Yellowstone Lake, a popular camping and fishing location within the National Park. The lake basin includes part of the youngest caldera and has an area of 352 square kilometers (136 square miles).
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Buzzards Bay, Massachusetts
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Published August 29, 2005
The modern Buzzards Bay is approximately 45 kilometers long by 12 kilometers wide and is a popular destination for fishing, boating, and tourism. The Cape Cod Canal allows for passage between Buzzards Bay and Cape Cod Bay to the northeast; the wakes of numerous pleasure craft appear along the length of the Canal.
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Forest Fire Smoke Surrounding Mt. McKinley
Published August 22, 2005
This view of Mt McKinley (Denali)—the highest point in North America (6,194 meters; 20,230 feet)—looks as if it were taken from an aircraft. In fact, an astronaut onboard the International Space Station took advantage of cloud-free skies and a powerful 800-millimeter lens to photograph this peak while the spacecraft was over the Gulf of Alaska, 800 miles to the south of the mountain. The powerful lenses are difficult to use, requiring motion compensation by the astronaut, so these kinds of detailed images of horizon detail are seldom taken. The rising sun casts long shadows across the Kahiltna Glacier that angles down from Denali (left).
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Retreating Aral Sea Coastlines
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Published August 15, 2005
The arrow-shaped island in the Aral Sea used to be a 35-kilometer-long visual marker, indicating the Aral Sea to astronauts. An image from the present International Space Station increment shows how much the coastline has changed as the sea level has dropped during the last three decades.
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Grasberg Mine, Indonesia
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Published August 1, 2005
Located in the Sudirman Mountains of the Irian Jaya province of Indonesia, the Grasberg complex is one of the largest gold and copper mining operations in the world.
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Dallas, Texas
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Published July 25, 2005
The Dallas-Fort Worth metropolitan area is the largest in Texas, with an approximate population of 6 million people in 2005.
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Hurricane Emily and Luna
Published July 20, 2005
This unusual high-oblique (from the side) panoramic view of the eye of Hurricane Emily in 2005 was shot by the crew of the International Space Station while they passed over the southern Gulf of Mexico looking eastward toward the rising moon. The eye appears as a depression in the cloud deck, which stretches out to the horizon and fades into the limb (the bright blue cross-section) of the Earth’s atmosphere. At the time this image was taken, Emily was a strengthening Category 4 hurricane with wind speeds approaching 155 miles per hour. The hurricane was moving west-northwest over the northwest Caribbean Sea about 135 miles southwest of Kingston, Jamaica.
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Jeddah, Saudi Arabia
Published July 18, 2005
The city of Jeddah is the second largest city in Saudi Arabia (after Riyadh), and is the country’s most important Red Sea port. This astronaut photograph depicts the downtown district of Al Balad, a residential area historically (and presently) occupied by wealthy merchants.
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Searles Lake, California
Published July 11, 2005
Searles Lake is known for the abundance of rare elements and evaporate minerals, such as trona, hanksite, and halite formed within its sediments. Evaporites are minerals that are left behind when saltwater evaporates. This astronaut photograph depicts the Searles Lake playa (characterized by white surface mineral deposits) bounded by the Argus and Slate Mountains. The width of the playa is approximately 10 kilometers. The center of the image is dominated by mining operations that extract sodium- and potassium-rich minerals (primarily borax and salt) for industrial use.
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