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Iron Enrichment Experiment
This Sea-viewing Wide Field-of-view Sensor (SeaWiFS) image shows chlorophyll concentrations in the northeastern Pacific Ocean. Chlorophyll is the primary pigment found in phytoplankton—it gives the tiny marine plants their greenish color and they use it for photosynthesis. By precisely measuring…
Significant Event Report for Week Ending 10/18/2002
Cassini Significant Event Report For Week Ending 10/18/02 The most recent spacecraft telemetry was acquired from the Goldstone tracking station on Wednesday, October 16. The Cassini spacecraft is in an excellent state of health and is operating normally. Information on…
Amery Ice Shelf’s “Loose Tooth” Gets Looser
The Amery Ice Shelf is an important dynamic system responsible fordraining about 16 percent of the grounded East Antarctic ice sheet through only2 percent of its coastline. Most of the mass input to the system occurs fromthe Lambert Glacier and…
Yellowstone National Park
Thirteen years after devastating forest fires burned more than 1.6 million acres in Yellowstone National Park, the scars are still evident. In this simulated natural color ASTER image, burned areas appear gray in contrast to the dark green of unburned…
Hariharalaya, Cambodia
Hariharalaya, the ancient 9th Century A.D. capitol of the Khmer in Cambodia, is shown in the upper center portion of this NASA Airborne Synthetic Aperture Radar (AIRSAR) image. The image was acquired during the 1996 PACRIM mission with AIRSAR operating…
Richat Structure in Mauritania
The so-called Richat Structure is a geological formation in the Maur Adrar Desert inthe African country of Mauritania. Although it resembles an impact crater, the RichatStructure formed when a volcanic dome hardened and gradually eroded, exposing theonion-like layers of rock.…
Astronaut Photos of Hurricane Lili
On October 2, 2002, Houston’s Mission Control Center powered down and people along the coasts of Texas and Louisiana prepared for landfall of Hurricane Lili. The storm held special significance for International Space Station astronauts orbiting above 210 n. mi.…
Hurricane Isidore Soaks Mississippi Valley
large images: September 12, 2002 (1.3 MB JPEG) September 28, 2002 (1.3 MB JPEG) Difference between September 28th and 12th (390 KB JPEG) The images above are from the Advanced Microwave Sounding Unit (AMSU) onboard NASA’s Aqua spacecraft. The left image was taken…
Tokyo
This false-color Landsat 7 image shows the greater Tokyo metropolitan area, situated on the eastern shore of the Japanese island of Honshu. The large Tokyo Bay dominates the center of this scene, and if you look closely you can see…
Significant Event Report for Week Ending 10/11/2002
Cassini Significant Event Report For Week Ending 10/11/02 The most recent spacecraft telemetry was acquired from the Goldstone tracking station on Wednesday, October 9. The Cassini spacecraft is in an excellent state of health and is operating normally. Information on…
Hurricane Lili Heads for Louisiana Landfall
Characteristics of a strengthening Category 3 Hurricane Lili areapparent in these images from the Multi-angle Imaging SpectroRadiometer(MISR), including a well-developed clearing at the hurricane eye. Whenthese views were acquired on October 2, 2002, Lili was approaching theGulf coast of the…
Tracking Clouds
Tune in to the evening weather report on any given day, and you’ll no doubt see satellite images of clouds. For years, experts have used cloud observations to predict the weather, from forecasting extreme weather events, such as tornadoes and…
Maps of West Nile Virus Risk
large images: United States Northeast West Nile Virus, first reported in the United States in 1999, causes flu-like symptoms that may lead to fatal encephalitis in people with compromised immune systems, such as the elderly. Though not yet proven, scientists believe the…
Indonesia’s Ruang Volcano Erupts
Full-resolution Images: Terra MODIS at 1:55 UTC (1.1 MB) Aqua MODIS at 4:50 UTC (748 KB) Mount Ruang, a stratovolcano in the Indonesian Sulawesi Islands, erupted on September 25, 2002, sending a large plume of ash (gray pixels) streaming westward toward Borneo…
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