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Cosiguina Volcano, Nicaragua
Three Central American countries—El Salvador, Honduras, and Nicaragua—have coastline along the Gulf of Fonseca, which opens into the Pacific Ocean. The southern boundary of the Gulf is a peninsula formed by the Cosigüina Volcano. Cosigüina is a stratovolcano, which is…
2008 Saturn Tour Highlights
Combination of four artist’s concepts of previous fly-bys
Cold and Snow
Snow cover and land temperature are connected, but one does not necessarily cause the other. Snow certainly influences how hot or cold the land feels to the touch, and land temperature influences whether or not snow remains on the ground…
Cassini Top 10 Science Highlights – 2007
Each year the Cassini Science Team chooses the best science stories of the year. These are their picks for 2007.
Burn Scars on Kangaroo Island
By late December 2007, parts of South Australia’s Kangaroo Island were left in cinders, thanks to wildfires earlier that month.
Mining Permits across West Virginia
Mountaintop removal mining dramatically changes the topography across thousands of acres. Mountaintop removal mining alters this topography by reducing the elevation of the ridge lines, flattening out the steep slopes, and also by filling in hollows and stream beds with…
Cassini Significant Events 12/19/07 – 12/25/07
Cassini Significant Events 12/19/07 – 12/25/07 December 28, 2007 (Source: Cassini Project) The most recent spacecraft telemetry was acquired on Tuesday, Dec. 25, from the Goldstone tracking complex. The Cassini spacecraft is in an excellent state of health and all…
Mount Ruapehu Lake Temperature
These images show Mount Ruapehu on the North Island of New Zealand and its summit lake, observed by the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA’s Terra satellite. The first image is a simulated true-color image taken…
A Perfect (Dust) Storm
In April 2001, researchers watched with surprise as dust from an Asian storm crossed the Pacific and reached the eastern United States.
Complex Clouds off Ireland
Clouds swirled southwest of the British Isles in mid-December 2007, while skies over the islands remained largely clear. The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite captured this image on December 17, 2007. In this image, clouds form…
Tyndall Glacier, Chile
Tyndall Glacier is located in the Torres del Paine National Park in Chile. This glacier, which has a total area of 331 square kilometers and a length of 32 kilometers (based on 1996 measurements), begins in the Patagonian Andes Mountains…
Hobet-21 Mine, West Virginia
This pair of images shows the growth of a mountaintop removal in the headwaters of Mud River in Boone County, West Virginia, between 1987 and 2002.
The South Island, New Zealand
Colors ranging from deep brown to stark white give New Zealand’s South Island its intense beauty. The snow-capped Southern Alps run down the northern shore of the island. The mountains are rising as the Pacific Plate, the section of the…
Coal Controversy in Appalachia
In Appalachia, coal operators are removing the tops of mountains and burying hundreds of miles of streams with rock waste as they mine coal seams hundreds of feet below the mountain top.
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