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NASA – Hats Off to the Sombrero
Hubble mosaic of the majestic Sombrero galaxy. Photo Credit: NASA and the Hubble Heritage Team (STScI/AURA) This nearly edge-on view of the Sombrero galaxy shows that the disks of spiral galaxies are incredibly thin. The majestic spiral arms cannot be…
Changes in Ocean Productivity
Plant life in the world’s oceans has become less productive since the early 1980s, absorbing less carbon, which may in turn impact the Earth’s carbon cycle. Watson Gregg, a NASA GSFC researcher, finds that the oceans’ net primary productivity (NPP)…
Early Snow on Russia’s Putorana Plateau
A fresh blanket of snow traces out the highlands on Russia’s Putorana Plateau, signaling the onset of autumn. This true-color image of the plateau, situated in Northwestern Siberia about 600 km (373 miles) south and slightly east of the Kara…
Noumea, New Caledonia
New Caledonia represents a nexus of cultures and resources. At its center is Grande Terre, the third largest island in the Pacific. The indigenous population is Melanesian, with a Polynesian minority, but New Caledonia remains a French territory. A prime…
Great Smoky Mountains National Park
The Great Smoky Mountains National Park straddles the ridgeline of the Appalachian Mountainsin the southern United States. The border between Tennesse to the west and North Carolinato the east runs vertically through the middle of the park. On its route…
Venice, Italy
The city of canals, Venice stretches out across numerous small islands in a marshy lagoon along the Adriatic Sea in northeastern Italy. The saltwater lagoon stretches along the shoreline between the mouths of the Po (south) and Piave (north) Rivers.…
2003 Ozone Hole
This year’s Antarctic ozone hole is the second largest ever observed, according to scientists from NASA, the National Oceanic and Atmospheric Administration (NOAA), and the Naval Research Laboratory (NRL). The Antarctic ozone “hole” is defined as thinning of the ozone…
Significant Event Report for Week Ending 9/26/2003
Cassini Significant Event Report For Week Ending 09/26/03 The most recent spacecraft telemetry was acquired from the Goldstone tracking station on Monday, September 22. The Cassini spacecraft is in an excellent state of health and is operating normally. Information on…
Where on Earth?…MISR Mystery Image Quiz #15
Here’s another chance to play geographical detective! This natural-colorimage was acquired by the Multi-angle Imaging SpectroRadiometer (MISR)in July 2003, and represents an area of about 355 kilometers x 463kilometers. Most of the landmass pictured in this image falls within anamed…
Hubble Uncovers Smallest Moons Yet Seen Around Uranus
Astronomers have discovered two of the smallest moons yet found around Uranus. The new moons, uncovered by NASA’s Hubble Space Telescope, are about 8 to 10 miles across (12 to 16 km) – about the size of San Francisco. The…
Isabel’s Aftermath at Kitty Hawk, N.C.
These high-resolution images, acquired by the IKONOS satellite, show Kitty Hawk, North Carolina, on September 4, 2002 (top), and on September 21, 2003 (bottom), two days after the eyewall of Hurricane Isabel passed overhead. The images show how the road…
Volcanic Ash over Kodiak Island, Alaska
This true-color image over Kodiak Island, Alaska, shows a plume of resuspended volcanic ash (tan pixels) extending southeastward from the mainland out over the Gulf of Alaska. According to the Alaska Volcano Observatory, strong winds in the Katmai National Park…
Victoria Falls, Zambezi River
Victoria Falls, on the Zambezi River, is one of the most famous tourist sites in subsaharan Africa. Details of the Falls are visible in this image taken with the 800 mm lens by Astronaut Edward Lu from the Space Station…
Northern Bolivia Border
In the northern border regions between Bolivia and Brazil, land use policies differences appear starkly along the border. In this scene, the small Abuna river runs from west to east near the top of the image, defining the northern border…
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