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The Topography of the Guiana Highlands
These two images show exactly the same area in South America, the Guiana Highlands straddling the borders of Venezuela, Guyana and Brazil. The image on the top was created using the best global topographic data set previously available, the U.S.…
Watching our Ozone Weather
Until about 30 years ago, atmospheric scientists believed that all of the ozone in the lower atmosphere (troposphere) intruded from the upper atmosphere (stratosphere), where it formed by the action of sunlight on oxygen molecules.
Significant Event Report for Week Ending 8/22/2003
Cassini Significant Event Report For Week Ending 08/22/03 The most recent spacecraft telemetry was acquired from the Canberra tracking station on Monday, August 18. The Cassini spacecraft is in an excellent state of health and is operating normally. Information on…
Dust Storm over Afghanistan and Pakistan
Dust blocks the view of the ground in this true-color satellite image of Afghanistan and Pakistan, taken on May 5, 2010.
Smoke over the Maritimes
This Sea-viewing Wide Field-of-View Sensor (SeaWiFS) image captured on August 20, 2003, over the Canadian maritime provinces shows a large band of smoke presumably from the forest fires burning farther to the west. Phytoplankton color the water along the eastern…
Deforestation in Santa Cruz, Bolivia
These images from 1986 and 2001 are for an area of tropical dry forest lying east of Santa Cruz de la Sierra, Bolivia. Since the mid-1980s, the resettlement of people from the Altiplano (the Andean high plains) and a large…
Grand Tetons National Park
Grand Teton rises to 13,770 feet (about 4,200 meters), and twelve of the Teton peaks in the range rise above 12,000 feet (3,660 m), morethan a mile above the valley below (known as Jackson Hole). They formthe youngest section of…
Changes in the Mamore River, Bolivia
The Mamore River drains north from the Andes Mts. in lowland Bolivia. An image taken in July 2003 from the International Space Station (ISS007-E-10797, 14 June 2003, 12:36 GMT) shows an 85 km stretch of the river south of the…
Blackout Leaves American Cities in the Dark
A power outage left many major American cities in the dark on August 14, 2003. The blackout was apparent from the perspective of space in this pair of DMSP satellite images.
European Heat Wave
In July 2003, Europe experienced an historic heat wave that killed at least 3,000 people.
Flooding along the White Nile, Sudan
Heavy rains in Sudan flooded the White Nile between August 3-11, 2003. This pair of images from the Moderate Resolution Imaging Spectroradiometer (MODIS) on the Terra (right) and Aqua (left) satellites shows the river on June 19 (left) and August…
Significant Event Report for Week Ending 8/15/2003
Cassini Significant Event Report For Week Ending 08/15/03 The most recent spacecraft telemetry was acquired from the Goldstone tracking station on Tuesday, August 12. The Cassini spacecraft is in an excellent state of health and is operating normally. Information on…
Scandinavia and the Baltic Region
Data from the Multi-angle Imaging SpectroRadiometer’s vertical-viewing (nadir) camera were combined to create this cloud-free natural-color mosaic of Scandinavia and the Baltic region. The image extends from 64° N, 0° E in the northwest to 56° N, 32° E in…
Panel Identifies Three Options For Space Telescope Transition
RELEASE : 03-264 Panel Identifies Three Options For Space Telescope Transition An independent panel of astronomers identified three options for NASA to consider for planning the transition from the Hubble Space Telescope (HST) to the James Webb Space Telescope (JWST)…
Typhoon Etau Sweeps Across Japan
animations:small movie (1.2 MB MPEG)large movie (3.2 MB QuickTime) Typhoon Etau severely impacted the nation of Japan over the weekend of August 9-10 as the storm tracked northeastward across the island chain. The storm was ranked a Typhoon 3 (sustained…
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