NASA Science News for August 25, 2008

NASA Science News for August 25, 2008
High above Earth, astronauts on board the International Space Station have taken one of the best-ever photos of electric-blue noctilucent clouds. Their image, featured in today's story from Science@NASA, highlights a growing mystery: Where do these clouds come from and why are they spreading?

FULL STORY at

http://science.nasa.gov/headlines/y2008/25aug_nlc.htm?list874246

The latest from NASA's Earth Observatory (19 August 2008)

The latest from NASA's Earth Observatory (19 August 2008)
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In the News:
http://earthobservatory.nasa.gov/Newsroom/

* Latest Images:
Cropland and Prairie, Cimarron Count, Oklahoma
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18125

Tropical Storm Fay
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18124

Dry Tortugas, Florida
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18123

Rice Farming in Guinea-Bissau
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18122

Kasatochi, Aleutian Islands
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18121

Locusts in West Africa
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18120

Drought Devastates Vegetation in Oklahoma Panhandle
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18119

Sulfur Dioxide Cloud from Aleutians' Kasatochi Volcano
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18118




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The latest from NASA's Earth Observatory (12 August 2008)

The latest from NASA's Earth Observatory (12 August 2008)
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New Features:
http://earthobservatory.nasa.gov/Study/

* Devastating Drought Settles on the High Plains
http://earthobservatory.nasa.gov/Study/OklahomaDrought/
A drought to rival the Dust Bowl settled over the southern Great Plains in summer 2008.

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In the News:
http://earthobservatory.nasa.gov/Newsroom/

* Latest Images:
Sulfur Dioxide Cloud from Aleutians' Kasatochi Volcano
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18118

Exceptional Drought in the High Plains and Texas
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18117

Pyramids of Dashur, Egypt
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18116

Drying of Lake Faguibine, Mali
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18115

Beijing National Stadium
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18114

Southern Route Through Northwest Passage Opens
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18113

Dolly Floods Laguna Atascosa Wildlife Refuge
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18112

Tropical Storm Edouard
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18111




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The latest from NASA's Earth Observatory (05 August 2008)

The latest from NASA's Earth Observatory (05 August 2008)
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In the News:
http://earthobservatory.nasa.gov/Newsroom/

* Latest Images:
Tropical Storm Edouard
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18111

Lake Bogoria and Rift Valley Province, Kenya
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18110

Arctic Eclipse
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18109

Polar Mesospheric Clouds Over Central Asia
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18108

IJsselmeer, Netherlands
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18107

Wyperfeld National Park
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18106

Chino Hills Earthquake
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18105

Floods in the Wake of Hurricane Dolly
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18104

* NASA News
http://earthobservatory.nasa.gov/Newsroom/NasaNews/
- NASA Data Show Some African Drought Linked to Warmer Indian Ocean
- Ocean Surface Topography Mission/Jason 2 Begins Mapping Oceans

* Media Alerts
http://earthobservatory.nasa.gov/Newsroom/MediaAlerts/
- Patagonian Glacier Yields Clues for Improved Understanding of Global Climate Change
- Tracking Down Abrupt Climate Changes
- Cold and Ice, and Heat, Episodically Gripped Tropical Regions 300 Million Years Ago
- Mud Pots Signal Possible Extension of San Andreas Fault

* Headlines from the press, radio, and television:
http://earthobservatory.nasa.gov/Newsroom/Headlines/
- Harsh Climate Change Once Fell Swiftly
- Warming Won't Drive More Hurricanes, Study Says
- Deadly San Andreas Fault Longer Than Thought
- Arctic Ice Continues to Thin
- Seven-Square-Mile Ice Sheet Breaks Loose in Canada
- Ocean Mission Delivers First Maps
- Coral Reef 'Glue' May Not Stick Under Climate Change
- Rock Links Antarctica and North America
- Dolly May Have Shrunk Gulf 'Dead Zone'




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COUNTDOWN TO THE PERSEIDS

Space Weather News for August 5, 2008
http://spaceweather.com

COUNTDOWN TO THE PERSEIDS: The annual Perseid meteor shower peaks one week from today, on Tuesday, August 12th. The best time to look is during the dark hours before dawn on Tuesday morning when forecasters expect 50 to 100 meteors per hour. Get away from city lights if you can; plan a camping trip! The darker the sky, the more meteors you will see.

The source of the Perseids is Comet Swift-Tuttle, which has littered the August portion of Earth's orbit with space dust. The dusty zone is broad and Earth is already in its outskirts. As a result, even before the peak on August 12th, you may see some "early Perseids" streaking across the night sky. Photos of these early arrivals will be featured in the days ahead on http://Spaceweather.com as part of our full coverage of the Perseid meteor shower.

BONUS: Last Friday's total solar eclipse is history, but new pictures continue to appear in our photo gallery. Start browsing at this URL: http://spaceweather.com/eclipses/gallery_01aug08_page3.htm

The latest from NASA's Earth Observatory (29 July 2008)

The latest from NASA's Earth Observatory (29 July 2008)
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In the News:
http://earthobservatory.nasa.gov/Newsroom/

* Latest Images:
Floods in the Wake of Hurricane Dolly
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18104

First Global Water Vapor Map from OSTM
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18103

Sea Surface Temperature and Hurricane Bertha
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18102

Lagoons and Reefs of New Caledonia
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18101

Sentinel Volcanic Field, Arizona
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18100

Hurricane Dolly
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18099

Sulfur Dioxide from Okmok Volcano
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18098

Beijing Implements New Pollution Controls
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=18097

* NASA News
http://earthobservatory.nasa.gov/Newsroom/NasaNews/
- New NASA 'Fire & Smoke' Web Page Shows Latest Fire Views, Research

* Media Alerts
http://earthobservatory.nasa.gov/Newsroom/MediaAlerts/
- Snapshot of Past Climate Reveals No Ice in Antarctica Millions of Years Ago
- Scientists Search for Answers from the Carbon in the Clouds
- Unique Fossil Discovery Shows Antarctic was Once Much Warmer
- Amazon Outflow is Found to Power Ocean Capture of Carbon Dioxide
- Typhoons Bury Tons of Carbon in the Oceans
- Chinese Earthquake Provides Lessons for Future
- Scientists Offer New Explanation for Monsoon Development
- Saharan Dust Storms Sustain Life in Atlantic Ocean
- Scientists Demonstrate the Sharpest Measurement of Ice Crystals in Clouds
- Iceberg Scour Affects Biodiversity
- Undersea Volcanoes Triggered Marine Extinction
- Future Snowmelt in West Twice as Early as Expected
- Scientists Close in on Source of X-rays in Lightning
- Scattered Nature of Wisconsin's Woodlands Could Complicate Forests' Response to Climate Change

* Headlines from the press, radio, and television:
http://earthobservatory.nasa.gov/Newsroom/Headlines/
- Climate Change Hurting Marine Snails
- Supercontinent Pangea Gets Climate Rethink
- Did Eroding Super Mountains Give Us the Air We Breathe?
- The Real Home of Hurricanes: Ethiopia?
- A Point of No Return for Greenland's Ice
- New Radar Detects Tornadoes Faster
- Weather Probes Swarm the Seas
- Satellite Designed to Spot Asteroid Armageddon
- Volcanoes May Not be Fed by Magma Mushrooms
- Shrimp-Like Fossil Confirms Antarctica was Once Warmer
- U.S. Spring Melt to Shift by Months
- Student to Track Tiger Sharks via Satellite
- Australian Tsunami Only a Matter of Time
- Wildfire Smoke May Cause Arctic Cooling
- More Icebergs Scouring Antarctic Seabed
- Middle Earth Mountains: Steep and Strong
- Sea Die-Out Blamed on Volcanoes
- U.S. Floods to Create Record Dead Zone
- Little Yellow Sub Studies Ocean
- Glaciers on California's Mt. Shasta Keep Growing
-

* New Research Highlights
http://earthobservatory.nasa.gov/Newsroom/Research/




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Alert: Perseid meteor shower

NASA Science News for July 22, 2008
The 2008 Perseid meteor shower peaks during the dark hours before dawn on Tuesday, August 12th, and forecasters say it should be a good show.

FULL STORY at

http://science.nasa.gov/headlines/y2008/22jul_perseiddawn.htm?list874246