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Water Levels in Lake Powell
In the 1950s, construction began on the Glen Canyon Dam on the Colorado River in northern Arizona. The dam created Lake Powell: a long, skinny, meandering reservoir straddling the Arizona-Utah border. Ingenuity of human design, however, did not protect this…
A Decade of Ocean Color
It may seem obvious that life is distributed across Earth in uneven patches: lush forests teem with life, while barren deserts support a relatively small number of specialized plants and animals. But scientists have only started to glimpse the pattern…
Hubble Finds ‘Dorian Gray’ Galaxy
NASA’s Hubble Space Telescope has found a galaxy that is the equivalent of the painting of Dorian Gray, a portrait in an Oscar Wilde novel that appears mysteriously to age. Like the fictional painting, the galaxy I Zwicky 18 appears…
Fires, East Falkland Island, South Atlantic
The Falkland Islands are an overseas territory of the United Kingdom, referred to by Argentina (which also claims the islands) as the Islas Malvinas. Falkland Sound, which is 12 kilometers (7.5 miles) wide at the narrow point, separates the main…
Inspiring Views Celebrate Cassini’s Diamond Anniversary
Inspiring Views Celebrate Cassini’s Diamond Anniversary October 15, 2007 (Source: Space Science Institute) Ten years ago today, NASA’s Cassini spacecraft departed planet Earth from Cape Canaveral, Florida, and embarked on a seven-year long, circuitous journey of several billion miles across…
NASA – New Science Instruments for Hubble
To enhance the Hubble Space Telescope’s science capabilities, two new instruments — the Wide Field Camera 3 and Cosmic Origins Spectrograph — will be installed during the fifth and final shuttle servicing mission to the observatory in August 2008. Wide…
Lyme Regis, UK
Along the southern coast of England, midway between the towns of Dorchester and Exeter, lies the seaside town of Lyme Regis. Like many English towns, its history reaches back centuries, including a royal charter dated in 1284. The town remained…
Record Sea Ice Minimum
Arctic sea ice reached a record low in September 2007, below the previous record set in 2005 and substantially below the long-term average.
Alaska Glaciers and Rivers
Winter may have been more than two months away when the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite captured this image on October 7, 2007, but the Alaska Mountains of south-central Alaska were already coated with snow. Purple…
Uvs Nuur Basin in Mongolia
The Uvs Nuur Basin sits on the northern edge of the Central Asian steppes, bounded on all sides by mountains. Though largely arid, the basin is dotted with water. A large salt lake, the Uvs Nuur Lake, sits at the…
Cassini Mission to Saturn Celebrates 10 Years Since Launch
Cassini Mission to Saturn Celebrates 10 Years Since Launch October 11, 2007 (Source: Jet Propulsion Laboratory) This picture of the Cassini launch was taken by Ken Sturgill of Marion, Virginia, using a 30 second, f 1.8, exposure on 400 speed…
Cassini Provides New Views of Titan’s Land of Lakes and Seas
Cassini Provides New Views of Titan’s Land of Lakes and Seas October 11, 2007 (Source: Jet Propulsion Laboratory) Newly assembled radar images from the Cassini spacecraft provide the best view of the hydrocarbon lakes and seas on the north pole…
Cassini Significant Events 10/03/07 – 10/09/07
Cassini Significant Events 10/03/07 – 10/09/07 October 11, 2007 (Source: Cassini Project) The most recent spacecraft telemetry was acquired on Tuesday, Oct. 9, from the Goldstone tracking complex. The Cassini spacecraft is in an excellent state of health and all…
Jebel at Tair
On the evening of September 30, 2007, Jebel at Tair erupted, sending lava down its flanks and releasing a cloud of volcanic ash. A glowing hot spot and a faint volcanic plume suggest that, although the volcano had quieted since…
Twin Blue Marbles
This view of Earth from space is a fusion of science and art, drawing on data from multiple satellite missions and the talents of NASA scientists and graphic artists.
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