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Nazca Lines, Peru
It takes a view from above to appreciate the giant designs the ancient Nazca people carved into the Peruvian desert. This view from the Ikonos satellite reveals a giant spiral, a spider, and perfectly straight lines that stretch for kilometers…
Black Hole in Search of a Home
A team of European astronomers has used two of the most powerful astronomical facilities available, NASA’s Hubble Space Telescope and the European Southern Observatory’s (ESO) Very Large Telescope (VLT) at Cerro Paranal, to find a bright quasar without a massive…
NASA Satellite Measures Deforestation
MODIS sensors view the Amazon multiple times a day, so they can provide a rapid assessment of forest change that is not possible with high-resolution sensors.
Storm Front Approaching California
Animation (21 MB MPEG)NASA’s Atmospheric Infrared Sounder instrument is able to peel back cloud cover to reveal 3-D structure of a storm’s water vapor content, information that scientists can use to improve weather forecast models. In this animation, the initial…
Hubble Catches Scattered Light from the Boomerang Nebula
The Hubble Space Telescope has “caught” the Boomerang Nebula in these new images taken with the Advanced Camera for Surveys. This reflecting cloud of dust and gas has two nearly symmetric lobes (or cones) of matter that are being ejected…
Irkutsk, Siberia, Russian Federation
Located about 55 kilometers (34 miles) to the northwest of Lake Baikal,Irkutsk is also the chief city of Irkutsk Oblast (province) in Siberia. Thecity is located on the Angara River and was originally a tax collectionoutpost for local fur trappers.…
Effigy Mounds National Monument
The park was created in October 1949 to protect a small area along the banks of the Mississippi River where Native Americans built earthen mounds for millennia.
Hurricane Ophelia
Tropical Storm Ophelia gathered strength and size off the Atlantic Coast of Florida for several days. During this time, it brought winds and rain over a growing area including the Florida coast, though the storm’s center remained offshore. By September…
New Orleans
Although the breaches in the levees that allowed water to flow into New Orleans have been sealed, the city is still buried under a deep blue blanket of water. The water has been standing over the city for more than…
Cassini Significant Events — 08/31/05 – 09/07/05
Cassini Significant Events — 08/31/05 – 09/07/05 September 9, 2005 (Source: Cassini Project) Wednesday, August 31 (DOY 243): A Science Operations Plan Update (SOPU) Project Briefing and Wrap-up meeting was held today for S16. The final development process for this…
Cloud Spirals and Outflow in Tropical Storm Katrina
On Tuesday, August 30, 2005, the center of Tropical Storm Katrina still sprawled over the Tennessee valley. At the time, the storm had weakened significantly from the Category 4 hurricane status it had when it struck the Gulf Coast, and…
Largest Asteroid May Be ‘Mini Planet’ with Water Ice
Observations of 1 Ceres, the largest known asteroid, have revealed that the object may be a “mini planet,” and may contain large amounts of pure water ice beneath its surface. The observations by NASA’s Hubble Space Telescope also show that…
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