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Eruption of Sicily’s Mt. Etna
NASA’s Aqua satellite captured this natural-color view of an eruption at Europe’s largest and most active volcano.
“The Optimist,” Kalahari Desert, Namibia
On the edge of the Kalahari Desert in Namibia, sand dunes are encroaching onto once-fertilelands in the north. Healthy vegetation appears red in this image; in the center, notice thelone red dot. It is the result of a center-pivot irrigation…
Space Shuttle view after Kolka Glacier Collapse
While docked to the Space Station the international crew of Space Shuttle Mission STS-112 paused as the spacecraft sped over the Caucasus Range. They had planned before launch that a crewmember would look out the windows of the spacecraft for…
Monster Hurricane Kenna Poses Severe Threat to Mexican Coast
Hurricane Kenna, the sixteenth tropical disturbance of the 2002 easternPacific hurricane season, explosively intensified from a tropical stormto a Category 5 hurricane in less than 48 hours. On October 25, 2002, Kennamade landfall on the western Mexican coast as a…
Burn Severity for Oregon’s Biscuit Fire
Before a wildfire is fully contained, natural resource specialists are already thinking about rehabilitation of the burned area. That important work is the domain of a team of experts called a Burned Area Emergency Rehabilitation (BAER) team. A BAER team…
Significant Event Report for Week Ending 10/25/2002
Cassini Significant Event Report For Week Ending 10/25/02 The most recent spacecraft telemetry was acquired from the Madrid tracking station on Wednesday, October 23. The Cassini spacecraft is in an excellent state of health and is operating normally. Information on…
Where on Earth…? MISR Mystery Image Quiz #11
Here’s another chance to play geographical detective! Theseimages from the Multi-angle Imaging SpectroRadiometer (MISR) werecaptured by the instrument’s nadir camera on November 19, 2001,and show a natural-color (left) and false-color (right) view of a 157kilometer x 210 kilometer area. The…
Satellites Aid Burned Area Emergency Rehabilitation
The aftermath of a wildfire can be as dangerous as the blaze itself. The charred landscape is prone to flooding and erosion, and natural resource experts usually have only one week to assess the damage and propose steps to mitigate…
Tarpum Bay, Bahamas
In this Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER)image the features that look like folded material arecalcium carbonate (a mineral composed of calcium, carbon, and oxygen) sanddunes in the shallow waters of Tarpum Bay, southwest ofEleuthera Island in the…
Dust Storm over Eastern Australia
The Sea-viewing Wide Field-of-view Sensor (SeaWiFS), flying aboard the OrbView-2 satellite, captured this view of what appears to be a large dust storm (light brown pixels) blowing across eastern Australia on October 23, 2002. The smoke plumes from a number…
Hawaiian Coffee Plantation
NASA and University researchers recently used an uninhabited aerialvehicle (UAV) to monitor a coffee plantation from the air—even thoughthe sky was 80% covered by clouds. The Pathfinder Plus UAV cruisedover the Hawaiian plantation for four hours, collecting over 300 images.Controllers…
Terkezi Oasis, Chad
A series of rocky outcroppings are a prominent feature of this Sahara Desert landscape nearthe Terkezi Oasis in the country of Chad. This image was acquired byLandsat 7’s Enhanced Thematic Mapper plus(ETM+) sensor on October 22, 2000. This is a…
Sangeang Api, Indonesia
In 1985, the small Indonesian island of Sangeang Api (13 kilometers wide) off the northeast coast of Sumbawa began to erupt. Within a month, the 1250 inhabitants had evacuated to Sumbawa. The eruption lasted until 1988. The lava and pyroclastic…
Pollution over East China
This true-color image over eastern China was acquired on October 16, 2002. The scene reveals a thick pall of smoke and haze (gray) filling the skies overhead. Smog fills the valleys and courses around the contours of the terrain in…
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