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613 articles from NASA

• THURSDAY 24. JULY, 2008
• 22:25 Plasma Bullets Trigger Northern Lights

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  Researchers have discovered what powers brilliant outbursts of Northern Lights: gigantic plasma bullets launched toward Earth by explosions 1/3rd of the way to the Moon.  

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• TUESDAY 22. JULY, 2008
• 20:20 The 2008 Perseid Meteor Shower

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  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.  

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• FRIDAY 18. JULY, 2008
• 22:10 NASA Works to Improve Short-term Weather Forecasts

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  NASA scientists are using an infra-red sounder in space to improve short-term weather forecasting.  

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• FRIDAY 11. JULY, 2008
• 08:05 What's Wrong with the Sun?

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  The sun is entering its 3rd year of eerie calm. Sunspots are rare and solar flares simply aren't happening. Is this "solar minimum" lasting longer than it should? A NASA scientist has examined centuries of sunspot data to find the answer.  

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• THURSDAY 10. JULY, 2008
• 19:15 A Telescope Made of Moondust

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  Mix moondust with epoxy, add a dash of carbon nanotubes, and spin. The result? A parabolic mirror perfectly suited for a lunar observatory. A NASA scientist has discovered this new recipe for making telescopes out of moondust, and to prove it works he has spun a "moondust mirror" here on Earth.  

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• FRIDAY 4. JULY, 2008
• 13:50 New Discoveries at Mercury

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  Mercury's magnetic field is "alive." Volcanic vents ring the planet's giant Caloris basin while the planet itself is surrounded by a plasma nebula of unexpected complexity.  

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• WEDNESDAY 2. JULY, 2008
• 13:19 Planets Align for the 4th of July

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  Look beyond the fireworks on 4th of July weekend. A trio of worlds is converging for a pretty sunset sky show.  

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• 13:19 The Tunguska Impact--100 Years Later

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  One hundred years after the Tunguska event in Siberia, scientists review what they've learned about the mysterious blast from the heavens.  

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• SATURDAY 28. JUNE, 2008
• 18:22 NASA to Attempt Historic Solar Sail Deployment

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  This summer, NASA engineers will try to realize a dream older than the Space Age itself: the deployment of a working solar sail in Earth orbit. The name of the device is NanoSail-D and it is scheduled for launch onboard a SpaceX Falcon 1 rocket as early as July 29, 2008.  

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• SUNDAY 22. JUNE, 2008
• 23:15 Apollo Relic Reveals its Secrets

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  In 1967, Surveyor 3 landed on the Moon. Two years later, Apollo astronauts visited the little unmanned spacecraft and brought pieces of it home to Earth. Now, a portion of Surveyor's robotic arm, the scoop it used to sample moondust, is teaching researchers some long-lost secrets.  

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• MONDAY 16. JUNE, 2008
• 20:09 Solstice Moon Illusion

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  Sometimes you just can't believe your eyes. This week is one of those times. Check out the full Moon on June 18th and prepare to be deceived!  

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• THURSDAY 12. JUNE, 2008
• 14:11 NASA's Newest Space Telescope Blasts Off

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  NASA's Gamma-ray Large Area Space Telescope left Earth today onboard a Delta II rocket. "The entire GLAST Team is elated," reports program manager Kevin Grady of NASA's Goddard Space Flight Center. "The observatory is now on-orbit and all systems continue to operate as planned."  

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• TUESDAY 10. JUNE, 2008
• 18:53 NASA Plans to Visit the Sun

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  NASA has a daring new mission on the drawing board: Solar Probe Plus, a spacecraft tough enough to visit the sun itself.  

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• THURSDAY 29. MAY, 2008
• 13:19 Strange Ring Found Circling Dead Star

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  NASA's Spitzer Space Telescope has found a bizarre ring of material around the magnetic remains of a star that blasted itself to smithereens. Although rings and spheres of material are common in the universe, this one is not like any ring astronomers have ever seen before.  

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• WEDNESDAY 28. MAY, 2008
• 11:12 Cartwheel Coronal Mass Ejection

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  Imagine a billion-ton cloud of gas launching itself off the surface of the sun and then ... doing a cartwheel. That's exactly what happened on April 9, 2008, when a coronal mass ejection or "CME" pirouetted over the sun's limb in full view of an international fleet of spacecraft.  

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• MONDAY 26. MAY, 2008
• 10:17 Phoenix Lands on Mars

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  NASA's Phoenix spacecraft landed in the northern polar region of Mars Sunday to begin three months of examining a site chosen for its likelihood of having frozen water within reach of the lander's robotic arm.  

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• THURSDAY 22. MAY, 2008
• 20:44 Lunar GRAIL

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  Gravitationally speaking, the moon is a strange place. Satellites in lunar orbit feel odd, sideways tugs and end up nose down in the moondust. Astronauts standing in the middle of lunar lava seas weigh more than they do standing on the shore. A new NASA mission named GRAIL aims to map the moon's quirky gravity field and thus pave the way for future exploration.  

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• WEDNESDAY 21. MAY, 2008
• 11:09 100 Explosions on the Moon

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  In 2005, NASA astronomers began watching the Moon to see how often meteoroids crashed into the lunar surface. They've just video-taped their 100th explosion.  

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• WEDNESDAY 14. MAY, 2008
• 20:32 Galactic Hunt Bags Missing Supernova

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  At long last, astronomers have found one of the Milky Way's mysteriously missing supernovas.  

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• TUESDAY 13. MAY, 2008
• 22:17 Phoenix Set to Land on Mars

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  NASA's Phoenix lander is getting ready to touch down on Mars and begin an unprecedented investigation of the Red Planet's arctic realm.  

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• SATURDAY 10. MAY, 2008
• 12:11 Space Station Tricorder

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  Astronauts are using a Star Trek tricorder-like device to keep track of microscopic life forms onboard the International Space Station.  

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• FRIDAY 9. MAY, 2008
• 12:03 Planets by the Dozen

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  A NASA-funded survey set to begin in 2008 could dramatically increase the number of known planets outside our solar system.  

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• TUESDAY 6. MAY, 2008
• 22:31 A Super Solar Flare

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  In September 1859, a solar flare erupted so intense that the explosion itself was visible to the human eye. A ferocious geomagnetic storm ensued in which Northern Lights descended as far south as Cuba, the Bahamas and Hawaii. Meanwhile, telegraph engineers disconnected their batteries and powered communications by electricity from the auroras! Could it happen again?  

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• WEDNESDAY 30. APRIL, 2008
• 22:39 Explore the Ionosphere (from the safety of your own home)

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  Today, NASA-funded researchers released to the general public a new "4D" live model of Earth's ionosphere. Without leaving home, anyone can now fly through the layer of ionized gas that encircles Earth at the edge of space itself.  

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• SATURDAY 26. APRIL, 2008
• 18:51 The Physics of Whipped Cream

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  An experiment in space has shed new light on the puzzling physics of some everyday substances such as blood, ketchup, motor oil and whipped cream.  

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