Researchers Crack the Mystery of the Spotless Sun
March 3, 2011In 2008-2009, sunspots almost completely disappeared for two years. It was a big event, and solar physicists openly wondered, where have all the sunspots gone?Researchers Crack the Mystery of the Missing Sunspots
March 2, 2011When solar activity recently plunged into a century-class minimum, many experts were puzzled. Now a group of researchers say they have cracked the mystery of the missing sunspots.Time to Fly: SAGE III - ISS Prepped for Space Station
March 2, 2011After nine years in a clean room, the SAGE III instrument returns to service measuring the Earth's atmosphere and ozone layer.Monster Prominence Erupts from the Sun
March 2, 2011When a rather large M 3.6 class flare occurred near the edge of the Sun on Feb. 24, 2011, it blew out a gorgeous, waving mass of erupting plasma that swirled and twisted for 90 minutes.How Severe Can the Climate Get?
March 1, 2011New research shows that modern climate change could become worse than anything known in written history. Could we be facing megadroughts in the future?NASA Spacecraft Images New Zealand Quake Region
March 1, 2011Two new images from NASA’s Terra spacecraft show the region devastated this week by New Zealand’s most destructive earthquake in 80 years.NanoSail-D Flashes Over the United States Sky
March 1, 2011Streaking across the North American skies between now and Mar. 7, NanoSail-D will next be observable with the naked eye. NanoSail-D unfurled the first ever 100-square-foot solar sail in low-Earth orbit on Jan. 20.Glory Mission Slated for March 4 Launch
March 1, 2011Orbital Sciences and NASA engineers are making good progress in troubleshooting the ground support equipment issue that caused the postponement of the Glory launch on Feb. 23. Launch will be no earlier than March 4.What's Hitting Earth?
March 1, 2011Have you ever seen a fireball streak through the night sky and gone to bed wondering, "What was that?" NASA is deploying a network of smart cameras that could have an answer waiting for you when you wake up.19 Asteroids Bagged in One Night
Feb. 28, 2011The Pan-STARRS PS1 telescope has discovered 19 near-Earth asteroids in one night. Cataloging near-Earth asteroids is important in determining the potential for future impact events on Earth.Arctic Changes and an Ancient Extinction
Feb. 28, 2011Scientists are studying an exceptional episode of ancient global warming that occurred around 56 million years ago. During the Paleocene-Eocene Thermal Maximum, global sea surface temperatures increased by about 5°C. Studying this period could help scientists understand how modern climate change could effect life on Earth.Microbes and the Swirl of the Ocean
Feb. 28, 2011New research shows that microorganisms help control the amount of light that is reflected off ocean surfaces. The amount of light that oceans absorb can have effects on our planet's climate.Spotlight on Local Change
Feb. 28, 2011Astrobiology Magazine's climate blog, The Hot Zone, is focusing on the local effects of climate change in different places in the world. Changing climate trends are resulting in less snow in California's Sierra Nevada mountains and more heavy rain for the state of Queensland in Australia.The Moon's Metallic Water
Feb. 25, 2011Even though our moon has suffered intense bombardment from asteroids and powerful radiation from the Sun, significant deposits of water remain in deep polar craters. New data from the LCROSS spacecraft has improved our understanding of this unique lunar resource and has identified other elements that are present in lunar ice.Plankton are Key to Earth's Oxygen
Feb. 25, 2011Researchers have provided new information about the role of plankton in the oxygenation of Earth's atmosphere. The study will help scientists better understand the links between life, the environment and the habitability on Earth.Chandra Finds Superfluid in Neutron Star's Core
Feb. 25, 2011NASA's Chandra X-ray Observatory has discovered the first direct evidence for a superfluid, a bizarre, friction-free state of matter, at the core of a neutron star.The Mysterious Rumble of Thundersnow
Feb. 24, 2011Last month, NASA scientists got a rare chance to study "thundersnow" first-hand when a freak winter storm rolled right over their research center.Planet Formation in Action
Feb. 24, 2011Astronomers have gathered new data from a disc of material around a young star that is in the early stages of planetary formation. The study can help astrobiologists understand how planets form and where best to search for habitable extrasolar worlds.The Great Moonbuggy Race
Feb. 24, 2011Forty years after the first lunar rover rolled across the Moon, NASA's Great Moonbuggy Race is challenging future engineers to demonstrate the same ingenuity. Technologies such as this could prove essential for future human explorers on the Moon and beyond.Next Glory Mission Launch Attempt
Feb. 24, 2011WASHINGTON -- The launch of NASA’s Glory spacecraft from Vandenberg Air Force Base in California is currently planned for no earlier than Friday, Feb. 25 at 5:09 a.m. EST.NASA Launches Webb Telescope Interactive Fly-by Tour
Feb. 23, 2011The interactive fly-by tour was created to allow people to get familiar with the Hubble Space Telescope’s successor, the James Webb Space Telescope..Launching Balloons in Antarctica
Feb. 23, 2011A successful test launch in Antarctica for BARREL (Balloon Array for RBSP Relativistic Electron Losses) shows how it will will work hand in hand with ...Technical Issue Delays Glory Climate Mission Launch, Next Attempt Thursday
Feb. 23, 2011The launch of the Glory spacecraft was delayed Wednesday morning due to a technical issue. The mission to study tiny particles known as aerosols will attempt to launch from California at 5:09 a.m. EST Thursday.Cleaning the Air Would Limit Short-Term Climate Warming
Feb. 22, 2011Q & A with Drew Shindell on the effect cleaner air would have on climate warming.Catching Space Weather in the Act
Feb. 22, 2011Close to the globe, Earth's magnetic field wraps around the planet like a gigantic spherical web. But this isn't true as you get further from the planet. As you move to the high altitudes where satellites fly, nothing about that field is so simple.Can WISE Find the Hypothetical 'Tyche'?
Feb. 22, 2011In November 2010, a paper by two astrophysicists proposed the existence of a binary companion to our sun, larger than Jupiter, in the long-hypothesized "Oort cloud" -- a faraway repository of small icy bodies at the edge of our solar system.A Solar System Family Portrait, From the Inside Out
Feb. 22, 2011What would our solar system look like if visitors from other worlds took a series of pictures? NASA's MESSENGER spacecraft did just that by piecing together the first portrait of our solar system from the inside looking out.Glory Set to Launch Wednesday Morning on Climate Mission
Feb. 22, 2011The Glory spacecraft and its Taurus XL launch vehicle is set to lift off from Vandenberg Air Force Base in California at 5:09 a.m. EST on Feb. 23. It will study the role tiny particles known as aerosols play in the planet's weather.Cassini to Sample Magnetic Environment around Titan
Feb. 18, 2011Skimming close to Saturn's moon Titan on Friday, Feb. 18 will teach scientists about the interaction between Titan and Saturn's magnetosphere.How Hot is Earth?
Feb. 18, 2011Except for a leveling off between the 1940s and 1970s, the surface temperature of our planet has increased since 1880. Get the latest temperature readings.
As the Seasons Change, Will the Plankton?
Feb. 17, 2011To understand the planet’s biggest food source—phytoplankton—and perhaps its most important sink for carbon dioxide, you’ve got to get out on the water.Musical Chairs around the Periodic Table
Feb. 17, 2011The claim of a microbe that swaps arsenic for phosphorus may be questionable, but alternative chemistries for life is still a question worth considering, say researchers.Herschel Measures Dark Matter for Star-Forming Galaxies
Feb. 17, 2011The Herschel Space Observatory has revealed how much dark matter it takes to form a new galaxy bursting with stars. The findings are a key step in understanding how dark matter contributed to the birth of massive galaxies in the early universe.Triple Tropical Threat in Southern Hemisphere
Feb. 16, 2011Three tropical cyclones in the Southern Hemisphere are causing concern for Madagascar and Australia. NASA's Hurricane page provides updated satellite data and information. Shown here is System 97S, near western Australia.Counting Down to Glory's Launch
Feb. 16, 2011The launch of NASA's Glory spacecraft is scheduled for February 23. Data from Glory, managed by Goddard, will allow scientists to better understand how the sun and tiny particles called aerosols affect Earth's climate.SDO Sundog Mystery
Feb. 16, 2011NASA's Solar Dynamics Observatory (SDO), best known for cutting-edge images of the sun, has made a discovery right here on Earth.NASA Releases Images of Man-Made Crater on Comet
Feb. 16, 2011NASA's Stardust spacecraft returned new images of a comet showing a scar resulting from the 2005 Deep Impact mission.Solar Dynamics Observatory: One Year in Space
Feb. 15, 2011A year after launch, SDO has sent back millions of stunning images of the sun and a host of new data to help us understand the complex star at the heart of our solar system.New View of Family Life in the North American Nebula
Feb. 15, 2011"One of the things that makes me so excited about this image [from the Spitzer Space Telescope] is how different it is from the visible image, and how much more we can see," says researcher Luisa Rebull.Glory Set to Launch Feb. 23 on Climate Mission
Feb. 15, 2011The Glory spacecraft and its Taurus XL launch vehicle is set to lift off from Vandenberg Air Force Base in California 5:09 a.m. EST on Feb. 23. It will study the role tiny particles known as aerosols play in the planet's weather.Stardust-NExT Sending Photos Back to Earth After Comet Encounter
Feb. 15, 2011The Stardust-NExT spacecraft is beaming photos back to Earth from its encounter with Comet Tempel 1. Preliminary data indicate the spacecraft passed about 112 miles from the comet before midnight EST on Feb. 14.Five Things About NASA's Valentine's Day Comet
Feb. 14, 2011Here are five facts you should know about NASA's Stardust-NExT spacecraft as it prepares for a Valentine's "date" with comet Tempel 1. Feel free to sing along!Two-timing spacecraft has date with another comet
Feb. 14, 2011NASA's Stardust spacecraft is hurtling toward a Valentine's Day encounter with a second comet. Stardust flew within 150 miles of comet Wild 2 in 2004, and now has its 'heart' set on comet Tempel 1.JPL Airborne Sensor to Study 'Rivers in the Sky'
Feb. 11, 2011An advanced JPL sensor is embarking on a NOAA-led airborne field campaign to study atmospheric rivers - narrow regions in the sky that transport huge amounts of water vapor.When Hiberating Microbes Awaken
Feb. 11, 2011New research sheds light on how microorganisms are able to 'hibernate' for long periods of time. This unique ability of microorganisms affects entire ecosystems on Earth, and could have implications for the transport of organisms between planets.Climate Change to the Core
Feb. 11, 2011Researchers have reached a milestone depth of 3,331 meters while drilling in the West Antarctic Ice Sheet Divide. Drilling into the ice will allow scientists to investigate 100,000 years of Earth climate history.SDO Sundog Mystery
Feb. 11, 2011Last year, NASA's Solar Dynamics Observatory amazed observers when it destroyed a sundog en route to orbit. A new analysis of the event is shedding light on the way rocket shock-waves interact with clouds.Just 5 questions: A La Niña like no other?
Feb. 10, 2011"Floods, droughts, hurricanes and other natural events are to be expected. They are part of the history of every country. Each is unique and, at some level, can be anticipated. Better urban, suburban and agricultural planning will make them less punishing." - Bill PatzertNASA Announces Candidates for Cubesat Space Missions
Feb. 10, 2011NASA has selected 20 small satellites, including two from NASA's Jet Propulsion Laboratory, to fly as auxiliary payloads aboard rockets planned to launch in 2011 and 2012.Heading Into the Bonus Round – in Space
Feb. 10, 2011A bonus round is something one usually associates with the likes of a TV game show, not a pioneering deep space mission. Stardust-NExT has traveled farther afield than any of its predecessors and is being sent out again.
Kamis, 24 Maret 2011
Science News II
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