Sky-high system to aid soldiers Aug 12, 2008
Hardware used to spot gamma ray bursts could soon be helping direct troops on a battlefield ... This coded aperture helps Swift spot gamma ray bursts ... Nasa used such an approach, called coded aperture imaging, for the Swift satellite that was sent aloft to spot gamma ray sources. (BBC News -- Technology)
Free Time on GRAS Telescope GRAS-013 - Take Personal Control of a Ground-Based, Hubble Space-Like Telescope System Aug 11, 2008
GRAS subscribers have been deeply engaged in deep-space imaging, narrow-band deep-space imaging, research in areas like, asteroids, double-stars, variable stars, exoplanets, nova search, cannibalistic galaxies, gamma ray busters and comets. Many subscribers have published their own papers on their respective research. (Yahoo News -- Press Releases)
Ascot Resources Ltd.: Dilworth 2008 Exploration Program Aug 9, 2008
Mr. Shives also conducted a ground gamma ray spectrometric survey of the property mineralization and nearby mineral deposits. This revealed radiometric (potassium) responses near some Dilworth property mineralized zones as well as on the former Silbak-Premier gold-silver mine situated 10 kilometres south of the property. (CCNMatthews Press Releases)
GLAST Sees a Dozen Bursts Aug 2, 2008
NASA said GLAST will observe gamma rays ranging in energy from a few thousand electron volts to many hundreds of billions of electron volts or higher -- the widest range of coverage ever available on a single spacecraft for gamma ray studies. The GLAST mission is an astrophysics and particle physics partnership, developed in collaboration with scientists in France, Germany, Italy, Japan and Sweden. (SkyAndTelescope.com)
Not just drops of water, but whole lakes, rivers evident on Mars Jul 17, 2008
2001: The Mars Odyssey orbiter begins its search for Martian water, and the Gamma Ray Spectrometer aboard has detected large amounts of hydrogen, a key sign that water ice exists within 3 feet of the surface. 2004: Two Mars Exploration Rovers, Spirit and Opportunity, land on the planet and have been tracking down possible water-formed rocks ever since - including chunks of hematite and little dark objects known as "blueberries" that could be formed only in water. (San Francisco Chronicle)
Western Potash Corp. to Commence Drilling on the Russell-Miniota Potash Permits Jul 17, 2008
Source: Western Potash Corp.. VANCOUVER, BRITISH COLUMBIA--(Marketwire - July 17, 2008) - Western Potash Corp. (the "Company") (TSX VENTURE: - ; FRANKFURT: - ) is pleased to announce that it has received its initial potash well licenses from Manitoba Science, Technology, Energy and Mines (STEM) and has mobilized a drill rig supplied by Ensign Drilling Partnership to the Company's Russell-Miniota Exploration Permits in Manitoba. (CCNMatthews Press Releases)
Extract Resources - Significant results continue from Rossing South Jul 16, 2008
Reference to down hole spectrometer results in this announcement refers to data collected by consulting geophysical contractor Terratec Geophysical Services undertaking down hole logging with a Gamma Ray Spectrometer (GRS42). This unit was calibrated at the Pelindaba facility in South Africa before arriving on site. (Canada Newswire)
GLAST mission operations at NASA Goddard powered up Jul 16, 2008
operations personnel and scientists working in the GBM Instrument Operations Center will scrutinize the health of the monitor and enjoy a first-hand peek at ground-breaking new gamma ray science. The NSSTC is a partnership between NASA, the state of Alabama and several universities. (EurekAlert! -- Business News)
New Beck CD: Modern Guilt Review Jul 13, 2008
Whether it's the surf-rock satire Gamma Ray , the almost drill-n-bass Replica , or Modern Guilt , where his precision rivals indie rockers Spoon; Beck pumps enough foreboding in to let a listener know that this album isn't all fun and games. It's a big shift from his Gameboy-punching lightheartedness on 2005's Guero and 2006's The Information. (Suite101.com)
Beck, a master of change, is at it again with 'Modern Guilt' Jul 8, 2008
His anxiety is all-purpose: environmental ("Gamma Ray" and "Chemtrails"), existential ("Soul of a Man," "Volcano"), and social ("Orphans," "Youthless"). Sonic touchstones are equally pointed and vast, from heavy metal and the Beatles to shoegaze and Kraftwerk. (Boston Globe)
New CDs: Beck, Kerli and Greg Laswell Jul 8, 2008
At its most upbeat, on the Kinks-esque title track and the twangy "Gamma Ray" -- a sexy little number about electromagnetic radiation -- Beck welcomes his own obsolescence backed by tarnished vintage beats. More often, the mood is calm but chemically altered: psychedelia for a pharmaceutical age. (Los Angeles Times)
CD reviews: Beck produces another masterpiece, Albert Hammond Jr. light on the ears Jul 8, 2008
Modern Guilt shifts from a dark tune called "Orphans" to the surf-rock inspired "Gamma Ray" that places the listener right in the middle of the 1960s film The Endless Summer ... Alexis' Picks: "Gamma Ray" and "Modern Guilt.". (Daily Iowan, IA)
Hellboya Cant Miss sequel Jul 7, 2008
Some of the better tracks on the Danger Mouse-produced disk include Soul of a Man, Volcano and Gamma Ray. He might even get a new record deal with this. (MSNBC -- News)
Astronomy projects hit by 80m cuts Jul 5, 2008
British involvement wit 00004000 h BaBar, an American-based study into the differences between matter and antimatter, and Integral, a satellite with the most sensitive gamma ray observatory in space, will come to an end. Several other projects have had their planned funding reduced including ExoMars, a European Space Agency scheme to land a probe to search for signs of life on Mars, and Minos, which investigates some of the world s tiniest particles. (Times Online)
Property was safe, officials told owners Jun 30, 2008
NSW Health is relying on tests conducted in February, which involved a one-day screening of gamma ray radiation but no measuring of the soil or the effect of ingesting dust particles. A departmental spokeswoman said the buyers were warned in May 1989 that the land contained radioactive deposits, but that the land was cleaned up after it was sold. (Sydney Morning Herald -- Australia)
Luxury home is too radioactive to live in Jun 25, 2008
Gamma ray or "background" radiation on the Vassilious property was between two and 10 times normal levels. Fourteen of the 27 sites tested in the Vassilious' garden and around their house exceeded the criteria adopted by the department. (Sydney Morning Herald)
ULA completes second NASA mission of June Jun 21, 2008
on June 11 carrying NASA's Gamma-ray Large Area Space Telescope, or GLAST, orbiter meant to study cosmic dark matter, black holes and gamma ray bursts in deep space. Its next scheduled mission is the Aug. 22 launch of a GeoEye high-resolution imaging satellite. (Denver Business Journal, CO)
Lou Ferrigno looks back, and luckily not in anger Jun 17, 2008
A: The opening sequence with Ed in the (gamma ray) chair took me back 30 years. They have him say the famous, 'You wouldn't like me when I'm angry. (USA Today)
No signs of water yet from Mars lander Jun 17, 2008
Scientists were encouraged by findings from the gamma ray spectrometer on the orbiting Mars Odyssey spacecraft, which in 2002 detected a large concentration of hydrogen in the top few feet of soil at the pole. Scientists believed that indicated vast quantities of ice underground. (Los Angeles Times)
Trigon provides update on Intercontinental Potash Corp. Jun 17, 2008
These logs include gamma ray logs ... In addition to the gamma ray logs, the company has also obtained historical caliper logs and acoustic logs ... Based on historical oil and gas test drilling, and the resulting gamma ray log data, USPC believes that the area is prospective for numerous potential potash deposits. (Canada Newswire)
Stanford satellite seeks gamma rays, 'dark matter' Jun 15, 2008
Palo Alto Online : Stanford satellite seeks gamma rays, 'dark matter ... Stanford satellite seeks gamma rays, 'dark matter ... A satellite designed by Stanford University scientists to capture glimpses of gamma rays, providing new clues to how the universe began and evolved, was launched successfully and is orbiting the Earth 350 miles overhead. (Palo Alto Online, CA)
GLAST sets its sights on gamma-ray bursts Jun 14, 2008
GLAST differs from Swift in that while the latter "can rapidly and precisely determine the locations of GRBs and observe their afterglows at X-ray, ultraviolet, and optical wavelengths, the former will deliver "exquisite observations of the burst over the gamma-ray spectrum, giving scientists their first complete view of the total energy released in these extraordinary events". To do this, GLAST boasts three main instruments: an anticoincidence detector ("a system on a gamma-ray observatory that... (Register)
The Incredible Hulk (B) Jun 13, 2008
This is very much a sequel, picking up well after scientist Bruce Banner (Edward Norton) has taken refuge in some South American jungle where he can figure out a way to rid his body of the gamma ray infection that causes it to mutate into a big, rampaging green thing whenever he gets angry. The heinous military man, General Ross (William Hurt) is still looking for him, long convinced that Banner is army property and that the power within him would make one dandy weapon. (Framingham TAB)
'Hulk' not totally incredible, but close enough Jun 13, 2008
It's been five years since that "gamma ray poisoning" that turned Bruce Banner into a guy who needs anger management. He's been on the run, living off the grid, e-mailing fellow scientists, trying out cures and staying out of the reach of the Army, which wants to clone him as a "super soldier." He does yoga and "control your emotions" martial arts and keeps track of how many "days without incident." We catch up with him in a favela (poor neighborhood) in Brazil, where he works in a bottling... (Seacoast New Hampshire)
Gamma rays: The incredible, hulking reality Jun 12, 2008
Marvel Studios/Universal Gamma rays turn Bruce Banner into the Incredible Hulk, but in real life, an explosion of gamma rays would kill the average person ... Gamma rays are blamed for making Bruce Banner the Incredible Hulk ... But what are gamma rays and what can they really do. (MSNBC -- Environment)
NASA launches telescope Jun 12, 2008
The $690 million telescope is funded by 6 countries, and will search for gamma rays ... Scientists must look to space observatories to uncover the secrets of gamma rays ... CAPE CANAVERAL, Florida (AP) -- NASA launched a telescope Wednesday to scout out elusive, super high-energy gamma rays lurking in the universe. (CNN -- Tech)
GLAST Lifts Off On Gamma Ray Mission Jun 12, 2008
Gamma rays are the highest-energy form of light, and the gamma-ray sky is spectacularly different from the one we perceive with our own eyes. With a huge leap in all key capabilities, GLAST data will enable scientists to answer persistent questions across a broad range of topics, including supermassive black-hole systems, pulsars, the origin of cosmic rays, and searches for signals of new physics. (Science Daily)
New telescope launched to canvass the cosmos Jun 12, 2008
WASHINGTON (AFP) - Astronomers will get a chance to unveil the mysteries of cosmic gamma rays and look deeper into the universe and its origins after NASA launched the high-tech GLAST telescope into orbit ... The Gamma Ray Large Area Space Telescope reached orbit 565 kilometers (350 miles) above the Earth around 75 minutes after the launch Wednesday aboard a two-stage Delta 2 missile from the air force base at Cape Canaveral, Florida, NASA said ... 3 tonne GLAST is outfitted with equipment to... (Yahoo News -- Top Stories)
Gamma-ray telescope blasts into orbit Jun 12, 2008
June 11: A telescope that can find elusive, super high-energy gamma rays lurking in the universe is launched into space ... - NASA launched a telescope Wednesday to scout out elusive, super high-energy gamma rays lurking in the universe ... The $690 million telescope, supported by six countries, will pick up where NASA's Compton Gamma Ray Observatory left off before its deliberate destruction in 2000, but in a bigger and better way. (MSNBC -- Technology)
U.S. launches GLAST telescope into space Jun 12, 2008
In fact, it converts Gamma rays to electrons and positrons to infer the direction from which the gamma-ray came. GLAST follows NASA's Compton Gamma Ray Observatory, which was deorbited and plummeted into ocean in 2000 ... This new Gamma rays telescope, thanks to advancements in technologies, promises to provide a far sharper insight into universe's most extreme and powerful objects like monstrous black holes, spinning neutron stars and gamma-ray bursts. (Xinhuanet, China)
Mars lander shakes loose usable soil sample Jun 12, 2008
The $690 million GLAST is the successor to the Compton Gamma Ray Observatory, which was crippled after one of its gyroscopes failed and was deliberately destroyed eight years ago. The new one will be 50 times more sensitive than any comparable Earth-based telescope, according to NASA project scientist Steven Ritz, and will survey the entire sky every three hours. (San Francisco Chronicle)
Probe will study secrets of space Jun 12, 2008
NASA scientists in Huntsville and astronomers around the world hope a research probe scheduled for launch this morning will help unlock the secrets of black holes, high-energy particles and gamma ray bursts ... Gamma ray bursts are high-energy emissions from black holes that are so powerful, "a 10-second burst is equal to all the energy our sun will produce over its 10 billion-year life span," said Dr. Chip Meegan, a Marshall Space Flight Center scientist who has studied these types of phenomena... (AL.com)
OUT OF THE INK BOTTLE: Hulked up for Weekend! Jun 11, 2008
The victim of a gamma ray explosion, Dr. Banner became the Hulk under times of extreme stress and anger. Not only was he hunted, but he might become the Hulk in the sunny Southwest and return to Banner among the glaciers of Alaska, clad only his torn purple pants. (Gaylord Herald Times, MI)
GLAST Spacecraft Will Observe Cosmic Sources Of Gamma Rays As It Orbits Above The Earth Jun 5, 2008
Gamma rays are the most energetic form of radiation in the electromagnetic spectrum, millions to billions of times more energetic than visible light ... "A spot in the sky spitting out gamma rays with one single energy would be a dead giveaway of dark matter," said David Smith, an associate professor of physics at UCSC. "There'd be parties everywhere if we saw something like that." ... Among the main sources of gamma rays are gigantic, active black holes in the centers of galaxies. (Science Daily)
Dakota Oil Fields of Saudi-Sized Reserves Turn Wheat Farmers Into Drillers Jun 4, 2008
Montana and North Dakota require companies to make public the information they collect when drilling, including gamma ray logs, which register the location of oil-bearing shale. Johnson examined logs from hundreds of wells east of Elm Coulee. (Bloomberg)
New telescope may uncover space mysteries Jun 4, 2008
Gamma rays are the highest energy , created under some of the most violent events in the universe, such as the or the annihilation of matter ... "Gamma rays are emitted in the most extreme environments in the universe, where the gravitational and electric and magnetic fields are so much higher than anything you could ever study directly on Earth.For example, GLAST could help find , the as yet unseen substance that could make up 90 percent of all matter in the universe, whose presence scientists... (MSNBC -- Technology)
Telescope From UCSC To Be Launched Into Space Jun 3, 2008
The Gamma Ray Large Area Space Telescope, or GLAST, is designed to study gamma ray bursts from stars collapsing as they turn into black holes ... "It detects gamma rays rather than light," Johnson said ... "The gamma rays don't penetrate the atmosphere, that's why it has to go to space. It's looking at very energetic objects in space, objects that sometimes appear in visible light, but often output most of the energy at higher levels.". (KSBW 8, CA)
NASA: Swift mission site Jun 3, 2008
Its three instruments will work together to observe GRBs and afterglows in the gamma ray, X-ray, ultraviolet, and optical wavebands ... Scientists recently made a discovery that forced them to re-think their theories on the most powerful explosions in the cosmos - gamma ray bursts. (USA Today -- Tech)
University Helps NASA Study Cosmic Explosions Jun 2, 2008
KeywordsGAMMA RAYS, GAMMA RAY BURSTS, COSMIC EXPLOSIONS, PHYSICS ... explosions that create gamma ray bursts ... explosions that create gamma ray bursts. (Newswise (press release))
Running Fox- A Diversified Energy Entity: Completes Acquisition of Wireline -Electric Line Oilfield Service Unit May 28, 2008
Perforating (casing guns, through tubing guns, other specialty firing systems), Tubing Conveyed Perforating, Gamma Ray / CCL Logging, Radial Cement Bond Logging; Free-point detection on stuck pipe, Backoff and Cutting Stuck Pipe (Chemical and Jet Cutters), Plug Setting, Cement Placement, Noise/Temperature Logging, Swabbing; Also electric wireline for third-party operations. Running Fox consolidated first Quarter revenues were over $2 million from natural gas and condensate production and... (CCNMatthews Press Releases)
LANDING PREVIEW STORY May 26, 2008
The estimates are derived from the hydrogen abundance measured by the neutron spectrometer component of the gamma ray spectrometer suite on NASA's Mars Odyssey spacecraft. Credit: NASA/JPL-Caltech/Los Alamos National Laboratory. (Astronomy Now Online)
Invisible Astronomy May 23, 2008
In addition to visible light, astronomers use ultraviolet, infrared, radio waves, X-rays and gamma rays to study planets, stars, galaxies, and other celestial objects ... X-ray and Gamma Ray Astronomy ... X-ray and gamma ray telescopes do not resemble traditional telescopes. (Suite101.com)
A scientific first: A supernova explosion is observed in real time May 23, 2008
Alicia Soderberg and Edo Berger of Princeton University, USA, were using the satellite, which measures gamma rays, X rays and ultraviolet light, to observe another supernova in a spiral galaxy in the Lynx constellation, 90 million light-years from Earth ... The data showed that the explosion known as supernova 2008D is a relatively common type of supernova, and not a rare supernova involving jets of gamma ray radiation. (Hindu)
Outstanding uranium intersections at Rossing South from downhole spectral logging May 13, 2008
QUICK SEARCH BY ORGANIZATION. FREE SUBSCRIPTION SERVICES. (Canada Newswire)
Mars landing May 25 will kick off a year of space missions May 13, 2008
Next in line is the launch of a large space telescope named GLAST (for Gamma-ray Large Area Space Telescope), which will study extremely high-energy gamma rays streaking from massive black holes and colliding stars. Celestial gamma rays are the most powerful form of electromagnetic radiation known to science ... By studying gamma rays, scientists can test theories about the birth and early evolution of the universe that would be impossible in earth-bound laboratories. (Anchorage Daily News)
Nasa life-hunter closes in on Mars May 11, 2008
The site was chosen after months of careful prospecting by spacecraft such as Mars Odyssey, which used a gamma ray spectrometer to see if there was water underneath. Alhough the mission is run by Nasa, British scientists have been closely involved in many key instruments for the most sophisticated science package sent to Mars. (Times Online)
Space telescope recycled for bomb detection May 10, 2008
Compton Gamma Ray Observatory equipment helps to sniff out radioactive sources. Remnants of the Compton Gamma Ray Observatory (pictured), are being used in other fields ... The 9-year mission of NASAs Compton Gamma Ray Observatory ended in 2000 with a plunge into the Pacific Ocean. (Nature News Service)
Today in History - May 6 May 6, 2008
Astronomers announced the detection of a gamma ray burst in a galaxy 12 billion light years away that was equal to the energy expended by the sun in 1 trillion years. Five years ago: Sen. (Waterloo Courier, IO)
Click for Full Story May 6, 2008
Astronomers announced the detection of a gamma ray burst in a galaxy 12 billion light years away that was equal to the energy expended by the sun in one trillion years. Five years ago: Florida Senator Bob Graham launched his campaign for the Democratic presidential nomination by accusing President Bush of retreating from the war on terrorism to "settle old scores" between the Bush family and Iraq's Saddam Hussein. (KWTX.com, TX)
APOD Recognizes GRAS Imager John Ebersole May 2, 2008
GRAS subscribers engage in the following activities: astrometry, photometry, ccd imaging, remote astronomy, robotic astronomy, supernova, variable stars, research, astrophysics, education, telescope, science, optics, observatory, astrophotography, galaxies, nebula, planet, space, ccd camera, minor planets, deep space, gamma ray bursters, astroimaging, astroimager, photography, optical systems, you tube. GRAS users access the following equipment at GRAS: paramount, takahashi, sbig, fli, ccd... (Yahoo News -- Press Releases)
Mixing Farm Animal Waste Just Right To Make Energy Apr 19, 2008
Anaerobic digestion of manure is opaque, which means to understand the hydrodynamics of anaerobic digestion Al-Dahhan and colleagues developed a unique computer-automated, multi-particle radioactive tracking (MPRT) system, a novel dual source gamma ray computed tomography (DSCT), and computational fluid dynamic simulation. These tools allowed the researchers to see where and under what conditions biochemical stagnant or dead zones occurred. (Science Daily)
Home owners plan to sue after tests find radiation hot spots Apr 19, 2008
THE radioactive waste dump under a Hunters Hill street is not safe, despite assurances last week from NSW Health, with the department's tests showing gamma ray radiation above safe levels. The owners of a house next door to Government-owned plots on Nelson Parade are planning legal action, after the February 20 survey by the Australian Nuclear Science and Technology Organisation found gamma ray hot spots under their bedroom and garden. (Sydney Morning Herald -- Australia)
Hubble Pinpoints Location Of Record-breaking Cosmic Explosion Apr 16, 2008
5 billion light-years and halfway back to the Big Bang, NASA's Hubble Space Telescope has photographed the fading optical counterpart of a powerful gamma ray burst that holds the record for being the intrinsically brightest naked-eye object ever seen from Earth ... The object erupted in a brilliant flash of gamma rays and other electromagnetic radiation at 2:12 a.m. EDT on March 19, and was detected by Swift, NASA's gamma ray burst watchdog satellite ... Immediately after the explosion, the... (Science Daily)
Zecotek Expands MAPD Photo Detection Line; Introduces 64 Chip Photo Detector Array Apr 16, 2008
Existing photo multiplier tubes markets where Zecotek's MAPDs offer both cost and performance advantages include medical inspection devices used in blood analysis and DNA sequencing, gamma ray detectors for homeland security, environmental monitoring, industrial control systems, robotics, biomedical testing, navigation and guidance systems, laser radars and high-energy physics. Zecotek's MAPD solid-state photo detectors and photo detector arrays are supplied through its wholly owned subsidiary... (CCNMatthews Press Releases)
William Kraushaar, 87; studied gamma rays in Milky Way Apr 4, 2008
William L. Kraushaar, a pioneer in the study of cosmic gamma rays and a former physics professor at MIT, died March 21 in Gorham, Maine, of complications from Parkinson's disease ... At MIT in the mid-1950s, he began mapping out gamma rays, which are potent but invisible light waves ... In 1958, he proposed a gamma ray experiment on what would become known as Explorer 11, the first orbiting astronomical observatory. (Boston Globe)
World's First Movie Of Black Hole Birth Mar 28, 2008
Usually, optical emission from GRB is observed by telescopes listening to alerts from satellite gamma ray detectors. Signal distribution and turning the telescope take some time and the very first minute of the outburst cannot be observed. (Science Daily)
Zecotek Receives Russian Patent for MAPD Solid-State Photo Detectors; U.S. and PCT Patents Pending Mar 28, 2008
Additional non-medical applications include: gamma ray detectors for homeland security, environmental monitoring, industrial control systems, robotics, biomedical testing, navigation and guidance systems, laser radars and high-energy physics. Zecotek's MAPD solid-state photo detectors are supplied through its wholly owned subsidiary Zecotek Imaging Systems Pte. (CCNMatthews Press Releases)
2008 launch schedule Mar 28, 2008
NASA - NASA's Shuttle and Rocket Missions. There's a problem with your browser or settings. (USA Today -- Tech)
Star explodes halfway across universe Mar 25, 2008
The aging star, in a previously unknown galaxy, exploded in a gamma ray burst 7 ... The gamma rays were detected by NASA's Swift satellite at 2:12 a.m. "We'd never seen one before so bright and at such a distance," NASA's Neil Gehrels said. (CNN)
Mass Measurement Technique Uncovers New Iron Isomer Mar 25, 2008
For years, gamma ray spectroscopy has been one of the only reliable means of studying isomers ... "And we did so by going beyond gamma ray spectroscopy, the classical means of studying isomers; finding isomers by weighing nuclei with very high precision bears interesting prospects for future studies.". (Science Daily)
Drain accident victim dies at age 6 Mar 22, 2008
The aging star, in a previously unknown galaxy, exploded in a gamma ray burst 7. 5 billion light years away, its light reaching Earth early Wednesday. (Boston Globe)
A Burst of Light From Halfway to the Beginning of the Universe Mar 22, 2008
Gamma ray bursts are some of the most violent and enigmatic events in nature ... The burst, which has now been dubbed the naked-eye burst by astronomers, was one of four that day to be detected by Swift, which has been patrolling the heavens since 2004 for the invisible gamma rays streaming from these blasts and relaying information and precise coordinates to a worldwide network of observers and telescopes. (New York Times)
Powerful stellar blast sighted Mar 22, 2008
The Swift satellite captured the X-ray glow (above) that followed the gamma ray outburst ... More than a decade ago, Mszros published important theories about the shockwaves that excite gamma rays followed by X-rays and optical light that shoot out in narrow jets from poles of exploding stars ... Mszros also has to figure out why, in general, so few optical flashes have been detected compared to a higher number of gamma ray bursts. (Nature News Service)
NASA Satellite Detects Record Gamma Ray Burst Explosion Halfway Across Universe Mar 21, 2008
The explosion was a gamma ray burst. Most gamma ray bursts occur when massive stars run out of nuclear fuel ... Their cores collapse to form black holes or neutron stars, releasing an intense burst of high-energy gamma rays and ejecting particle jets that rip through space at nearly the speed of light like turbocharged cosmic blowtorches. (PR Newswire)
Conversations with a science visionary Mar 21, 2008
" So what exactly did worry Sir Arthur C Clarke in June 2000? "Some of the greatest threats to mankind's future," he predicted eight years ago, "are global warming, pollution, gamma ray bursts and the threat of an asteroid hitting the earth. " The threat posed by climate change is now well known, but what exactly are gamma ray bursts and how great are the risks posed by asteroids? "Gamma ray bursts are sudden outbursts of energy - several times more powerful than the sun - which may suddenly... (BBC News)
