Starry, starry flights Aug 30, 2009
That's not to mention the possibility of these films coming into the hands of aliens who, if they had anything resembling a heart, would likely put us all out of our misery by destroying Earth with one blast of a giant gamma ray. Shooting People asked its members what films should be on board. (Sydney Morning Herald -- Opinion)
How deadly are cosmic rays? Aug 28, 2009
Ozone depletion also could arise from a nearby gamma ray burst ... "An organism might be able wait out a gamma ray burst, but cosmic rays are going to affect many generations," he says. (MSNBC -- Technology)
Successful Completion Of First Riser-drilling Operations In Earthquake Zone Aug 20, 2009
Following drilling operations that included measurement-while-drilling to obtain real-time geophysical characteristics, wireline logging instruments were lowered into the borehole to measure formation temperature, resistivity, porosity, density, gamma ray, and borehole diameter. The riser-drilling technology enabled dynamic formation testing using the logging instrumentation for the first time during IODP scientific ocean drilling operations; this instrumentation is designed to measure stress,... (Science Daily)
Mexico cracks down, replaces all customs agents Aug 19, 2009
The new agents were trained in legal aspects of foreign trade and taught to use new equipment installed at border crossings, including X-ray and gamma ray machines to scan for hidden contraband. More dogs trained to sniff out drugs and other banned goods are also being added. (Nogales International, AZ)
New hope for intelligent life elsewhere Aug 14, 2009
Cirkovic points to gamma ray bursts, nearby supernovae, and perturbations of comet clouds as possible events in the astrophysical environment of the star that can influence the biological environment on a planet ... Clocking CatastrophesCosmic events like gamma ray bursts or nearby supernovae could reset the to give a planet and star a second chance to sync up and try again to produce life ... Gamma ray bursts are mysterious explosions that release huge amounts of energy, occurring either as the... (MSNBC -- Technology)
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IGN: Activision Unveils Epic 85 Song Set List in Guitar Hero 5. SECTIONS CHANNELS ; GET GAMES. (IGN PS2)
No Dark Matter Origin For Mystery Radiation Aug 2, 2009
18, 2007) The European Space Agency's gamma ray observatory Integral has caught the centre of our galaxy in a moment of rare quiet. A handful of the most energetic high-energy sources surrounding the black. (Science Daily)
Wrong radiation dose dispensed to patient Jul 29, 2009
A device error results in a wider gamma ray beam being emitted ... A precise beam of gamma rays is used to attack brain tumors while avoiding normal tissue ... A precise beam of gamma rays is used to attack brain tumors while avoiding normal tissue. (Honolulu Star-Bulletin)
NRL's Large Area Telescope explores high-energy particles Jul 29, 2009
The LAT is a wide field-of-view imaging telescope, which consists of a tracker that determines the trajectory of the gamma ray or cosmic ray being measured, and an NRL-developed cesium-iodide calorimeter that determines the energy of the incoming ray ... LAT was developed for detecting gamma rays; however, it is also proving to be a great tool for studying the high-energy electrons in cosmic rays ... Gamma rays travel in straight lines, so scientists are able to pinpoint their sources simply by... (EurekAlert!)
25 New Guitar Hero 5 Songs Jul 17, 2009
IGN: 25 New Tracks Confirmed for Guitar Hero 5. SECTIONS CHANNELS ; GET GAMES. (IGN PS2)
Gamma ray "mystery" not related to dark matter Jul 17, 2009
The distribution of certain gamma rays in the Milky Way, speculated by some to be evidence of dark matter, can instead be explained by the way antimatter positrons move through the Galaxy ... The distribution of certain gamma rays in the Milky Way, speculated by some to be evidence of dark matter, can instead be explained by the way antimatter positrons move through the Galaxy ... When an electron and positron encounter each other in space the two particles annihilate, that is they disappear,... (Astronomy Now Online)
Patterns in Milky Way perplex astronomers Jul 14, 2009
Gamma ray measurements aren't mysterious dark matter as many thought ... Patterns of a type of high-energy radiation called gamma rays throughout the Milky Way aren't the signature of mysterious dark matter as had previously been suggested, a new study shows ... Over the past five years, gamma-ray measurements from the European satellite have perplexed astronomers because the distribution of the gamma rays across different parts of the Milky Way didn't match what astronomers expected to see. (MSNBC -- Technology)
First stars might have had twins Jul 10, 2009
The finding that early stars might have been binaries could have implications for the detection of gamma ray bursts in the early universe. Gamma rays and gravity wavesThese energetic explosions are thought to occur when a massive star rotates very fast and then collapses ... Having binaries in the early universe suggests that gamma ray bursts also occurred early on. (MSNBC -- Technology)
Antimatter Positrons In Milky Way Galaxy Jul 9, 2009
Antimatter Positrons Explain Gamma Ray Mystery In Milky Way Galaxy ... Antimatter Positrons Explain Gamma Ray Mystery In Milky Way Galaxy ... ScienceDaily (July 8, 2009) A team of astrophysicists has solved a mystery that led some scientists to speculate that the distribution of certain gamma rays in our Milky Way galaxy was evidence of a form of undetectable dark matter believed to make up much of the mass of the universe. (Science Daily)
Radio quiet gamma-ray pulsars solve mystery Jul 7, 2009
Most of the 1,800 known pulsars were found through their periodic radio emissions, however, Fermi has now uncovered 16 pulsars based on their high energy gamma rays alone ... "These are the first pulsars ever detected by gamma rays alone, and already weve found 16," says Robert Johnson, professor of physics at the University of California ... Click for movie that shows one cycle of pulsed gamma rays from the Vela pulsar as constructed from photons detected by Fermi's Large Area Telescope. (Astronomy Now Online)
Gamma rays burst from M87's black hole Jul 7, 2009
High energy gamma rays bursting from the galaxy M87 are found to be emanating from a region very close to the supermassive black hole at its heart ... It has been known since 1998 that M87 was emitting impressively high energy flares of gamma rays, but their exact point of origin could not be discerned ... Now, thanks to an international collaboration of nearly 400 scientists working on three different telescope arrays, the gamma rays and accompanying radio flux are found to originate from the... (Astronomy Now Online)
All S&T News Blogs Jul 5, 2009
An artist's impression of a Gamma Ray Burst ESO Daniel Perley, Joshua Bloom (both at the University of California, Berkeley), and their colleagues may have solved one of the biggest mysteries surrounding powerful stellar explosions known as gamma-ray bursts (GRBs): the nature of dark bursts ... The culprit appears to be dust around the burst, which absorbs visible light but not gamma rays. (SkyAndTelescope.com)
NASA'S FERMI Telescope Probes Dozens of Pulsars Jul 3, 2009
"Since the demise of the Compton Gamma Ray Observatory a decade ago, we've wondered about the nature of unidentified gamma-ray sources it detected in our galaxy. These studies from Fermi lift the veil on many of them.". The Vela pulsar, which spins 11 times a second, is the brightest persistent source of gamma rays in the sky ... Yet gamma rays -- the most energetic form of light -- are few and far between. (PR Newswire)
Super-energetic Bursts Near Giant Black Hole Jul 3, 2009
ScienceDaily (July 2, 2009) Using a worldwide combination of diverse telescopes, astronomers have discovered that a giant galaxy's bursts of very high energy gamma rays are coming from a region very close to the supermassive black hole at its core ... In 1998, astronomers found that M87 also was emitting flares of gamma rays a trillion times more energetic than visible light ... However, the telescopes that discovered these bursts of very high energy gamma rays could not determine exactly where... (Science Daily)
Radio-quiet Gamma-ray Pulsars Discovered Jul 3, 2009
A study to be published by an international team of scientists in the July 2 edition of Science Express describes 16 pulsars discovered by Fermi based on their pulsed emissions of high-energy gamma rays ... "These are the first pulsars ever detected by gamma rays alone, and already we've found 16," said coauthor Robert Johnson, professor of physics at the University of California, Santa Cruz ... "This favors models in which the gamma rays are emitted from the outer magnetosphere of the pulsar,... (Science Daily)
NASA's Mars Odyssey Alters Orbit To Study Warmer Ground Jun 24, 2009
Here's the trade-off: The orbital shift to mid-afternoon will stop the use of one of three instruments in Odyssey's Gamma Ray Spectrometer suite. The new orientation will soon result in overheating a critical component of the suite's gamma ray detector ... The Gamma Ray Spectrometer provided a dramatic 2002 discovery of water-ice near the Martian surface in large areas. (Science Daily)
New Light Shed On 'Dark' Gamma-ray Bursts Jun 21, 2009
Yet, for more than a decade, astronomers have puzzled over the nature of so-called dark bursts, which produce gamma rays and X-rays but little or no visible light. They make up roughly half of the bursts detected by NASA's Swift satellite since its 2004 launch. (Science Daily)
Exploding Stars: Is Earth at Risk? Jun 19, 2009
Ten times more powerful than typical supernovae, hypernovae are the source for long-duration gamma ray bursts (GRBs), which are high-energy beams emitted along the dying star's axis ... Although less energy is released than in a long-duration GRB, the fraction of high-energy gamma rays is higher. (Fox News)
Evidence Of Ancient Lake On Mars Jun 18, 2009
An international team of scientists who analyzed data from the Gamma Ray Spectrometer onboard NASA's Mars Odyssey reports new. (Mar. (Science Daily)
Most Efficient Spectrograph To Shoot The Southern Skies Jun 4, 2009
3, 2009) UK astronomers, using a telescope aboard the NASA Swift Satellite, have captured information from the early stages of a gamma ray burst -- the most violent and luminous explosions occurring in the. (Sep. (Science Daily)
Ocean monster May 28, 2009
"Then it goes through a gamma ray attenuation sensor, measuring the rock density. Then we have a p-wave velocity sensor, measuring the speed of sound through the rock, we sense electrical resistance, susceptibility to magnetism, and the flux of gamma rays coming from the rock itself.". Only after these tests are the cores sawn down the middle - one half destined for further, possibly destructive testing, and the other for a core archive kept in the Japanese city of Kochi. (BBC News -- Science)
Gigantic Bubble In The Sky Identified May 21, 2009
It was released by a NASA organization to measure gamma ray emissions in high altitudes. One person who saw the object in the sky said it looked "like the gigantic bubble from the Wizard of Oz.". (KWTX.com, TX)
Arizonans see UFO, NASA says it's a balloon May 21, 2009
Space agency said research device used to measure gamma ray emissions ... Bill Stepp of NASA's Columbia Scientific Balloon Facility in Palestine, Texas, says the mysterious flying orb was a 4,000-pound (1,814-kilogram) NASA research balloon used to measure gamma ray emissions. (MSNBC -- Technology)
UFO spotted in Arizona, but NASA says its research balloon May 20, 2009
Bill Stepp of NASA s Columbia Scientific Balloon Facility in Palestine, Texas, says the mysterious flying orb was a 4,000-pound NASA research balloon used to measure gamma ray emissions. Stepp says the balloon usually floats at 130,000 feet and can be seen for about 170 miles on a clear day. (KHOU.com, TX)
NASA balloon had Arizonans thinking they saw UFO May 20, 2009
Later, Bill Stepp of the Columbia Scientific Balloon Facility in Palestine, Texas identified the object as a 4,000-pound research balloon released from a NASA organization used to measure gamma ray emissions in high altitudes. The balloon was launched at about 7:30 a.m. Sunday morning from Fort Sumner, N.M., and was grounded at about 9 p.m. Monday just south of Kingman in western Arizona. (AZCentral -- News)
Glowing Object In Borderland Sky Is Balloon May 18, 2009
Officials confirm to KFOX that the balloon was carrying a gamma ray telescope from the Columbia Scientific Balloon Center in Palestine, Tex. and was on a proper course. (KFOXTV.com, TX)
Scientists spot oldest object in universe May 1, 2009
Scientists detect oldest seen object in universe by gamma ray burst ... (CNN) -- Edo Berger got an alert early last Thursday morning when a satellite detected a 10-second blast of energy known as a gamma ray burst coming from outer space ... Telescopes around the world swiveled to focus on the explosion, soon picking up infrared radiation, which is produced after gamma rays in this kind of event. (CNN)
New Gamma-Ray Burst Smashes Cosmic Distance Record Apr 29, 2009
15, 2008) 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. (Mar. (Science Daily)
Telescope snaps most distant object in universe Apr 29, 2009
WASHINGTON Astronomers tracking a mysterious blast of energy called a gamma ray burst today said they had snapped a photograph of the most distant object in the universe: a smudge 13 billion light years away. Hawaii's Gemini Observatory caught the image earlier this month after a satellite first detected the burst. (Globe and Mail)
Accelerator center nears goal Apr 29, 2009
The Accelerator Center detects any presence of molybdenum 99 by hitting a molybdenum sample with a gamma ray, which is produced by hitting tungsten with electrons from the facility's accelerator. Wells said his staff then measures purity by vaporizing a sample containing molybdenum 99 and then counting how many of the isotope's atoms are present. (Pocatello Idaho State Journal, ID)
InteliBiz Business Solutions, Inc. Developed Radio Isotope Identification Software for Occupational Services, Inc. (OSI) Apr 29, 2009
SAN DIEGO, April 28 /PRNewswire/ -- Today, InteliBiz announced the completion and delivery of computer software that converts data from gamma ray detectors into visual spectrums useful for identifying and measuring radioactive substances ... The basic components of Gamma Spectroscopy include first, a gamma ray detector that can estimate the rate and energy of gamma ray emissions; second, an electronic analyzer that sorts the gamma rays into rates and energies and finally, software that generates... (PR Newswire)
Magic in gamma ray astronomy Apr 28, 2009
Magic measures gamma rays via the particle showers they cause as they arrive in our atmosphere ... Telescopes like Magic and Hess detect gamma rays indirectly, by watching for Cerenkov radiation ... Cerenkov radiation is created when fast-moving gamma rays pass through matter - in this case, the Earth's atmosphere. (BBC News -- Science)
Gamma ray burst may strike again Apr 6, 2009
A brilliant burst of gamma ray killed most of the creatures on Earth some 440 million years ago, and researchers say, a similar celestial catastrophe could happen again. Most gamma-ray bursts are thought to be streams of high-energy radiation produced when the core of a very massive star collapses. (India Times, India -- Health/Science)
One Of Brightest Gamma-Ray Bursts Ever Seen Apr 4, 2009
The brightness of the event, known as GRB 041219A, has allowed the team to perform a painstaking investigation to extract a property known as the polarisation of the gamma rays. The team have shown that the gamma rays were highly polarised and varied tremendously in level and orientation ... Even the state-of-the-art IBIS instrument on Integral can only record the polarisation state of gamma rays if a celestial source is as bright as GRB 041219A.. (Science Daily)
Czysz attends Triad Starfest at Guilford College Apr 1, 2009
This year has been named the International Year of Astronomy, a global effort initiated by the International Astronomical Union (IAU) and UNESCO to help the citizens of the world rediscover their place in the Universe," according to the IYA 2009 website .At the meeting, Czysz listened to presentations about the life of legendary 17th century astronomer Johannes Kepler and Galileo, current Gamma Ray research, and the structure of dying stars.Czysz teaches physics and astronomy at PCC and earth... (Yanceyville Caswell Messenger, NC)
Astrophysicists Explore Blazars Mar 19, 2009
Even from strong sources, only about one gamma ray this energetic strikes a square yard at the top of Earth's atmosphere each month. The four identical telescopes of the High Energy Stereoscopic System in Namibia detect faint atmospheric flashes caused by the absorption of ultrahigh-energy gamma rays ... Credit: H.E.S.S Atmospheric absorption of one of these gamma rays creates a short-lived shower of subatomic particles. (Science Daily)
Innovative avionics enable search for habitable planets Mar 10, 2009
SwRI's hardware takes advantage of historically proven designs from previous NASA missions, including the Imager for Magnetopause-to-Aurora Global Exploration (IMAGE) mission, the Swift Gamma Ray Observatory and the Deep Impact Discovery mission. "It's a question of focusing resources on core capabilities, which, for our organization, includes the design and manufacturing of spacecraft command and data handling systems," says Buddy Walls, manager of Avionics Systems in the SwRI Space Science and... (EurekAlert! -- Business News)
1894: Local prophet forecast world’s end Mar 9, 2009
ClassWarrior wrote on Mar 9, 2009 2:22 AM:" Would the world's end be such a bad thing? Look at all the future misery and evil thus short-circuited...c'mon, Uncle Vladimir, launch them secret missiles you've got hidden under Yamantau Mountain (and Kosvinsky, and about 200 other secret sites).Then we'll have that peaceful "On The Beach" ending we've always wanted! ("On The Beach" -- Neville Shute, novel and movie, Ava Gardner, Gregory Peck...humans annihilate themselves with global radiation... (La Crosse Tribune, WI)
NASA's Dawn Spacecraft Finishes Mars Phase Mar 5, 2009
Calibration images were taken by Dawn's framing camera, and the Gamma Ray and Neutron Detector also observed Mars for calibration. These data will be compared to similar observations taken by spacecraft orbiting Mars. (Science Daily)
Gamma Ray Burst Captured In Early Stages Mar 3, 2009
3, 2009) UK astronomers, using a telescope aboard the NASA Swift Satellite, have captured information from the early stages of a gamma ray burst - the most violent and luminous explosions occurring in the Universe since the Big Bang ... Swift is able to both locate and point at gamma ray bursts (GRBs) far quicker than any other telescope, so by using its Ultraviolet/Optical Telescope (UVOT) the astronomers were able to obtain an ultraviolet spectrum of a GRB just 251 seconds after its onset -... (Science Daily)
Fountain of Youth » Feb 27, 2009
Was he struck by a gamma ray in the last few months. This Ones For Phil's transformation since joining the Rick Dutrow barn mirrors that of Doc Bruce Banner and the Hulk. (ESPN -- Horse Racing)
Most Powerful Gamma-Ray Burst Ever Feb 25, 2009
Observations from NASAs Fermi Gamma-ray Space Telescope are hinting that the highest-energy gamma rays travel through empty space at a little less than the speed of light unlike any other form of electromagnetic radiation ... Intriguingly, the highest-energy gamma rays from this GRB arrived a little later than the lower-energy gamma rays ... The higher a gamma ray photons energy, the shorter its wavelength. (SkyAndTelescope.com)
Pushing the limits Feb 24, 2009
To test the material, the Accelerator Center will project gamma rays onto the materials. A gamma ray, which is evident in a flash of unseen light, is created when electrons moving at the speed of light come to a sudden stop ... The gamma ray then produces positively charged electrons that naturally travel throughout the matter to find the weak areas. (Pocatello Idaho State Journal, ID)
Most Extreme Gamma-ray Blast Ever Feb 23, 2009
With the distance in hand, FGST team members showed that the blast exceeded the power of nearly 9,000 ordinary supernovae and that the gas bullets emitting the initial gamma rays must have moved at no less than 99 ... It is possible that the delays could be explained by the structure of this environment, with the low- and high-energy gamma rays "coming from different parts of the jet or [being] created through a different mechanism," Michelson says ... Another, far more speculative theory posits... (Science Daily)
Astronomers spot 'strongest-ever gamma ray explosion' Feb 21, 2009
WASHINGTON: Astronomers have discovered the "strongest-ever" gamma ray explosion, exceeding the power of some 9,000 exploding stars, in the deep-space constellation Carina. In fact, the spectacular blast was discovered by Fermi Gamma-ray Space Telescope, a collaboration among NASA, the US Department of Energy and international partners, and its other instrument, the Gamma-ray Burst Monitor, recorded the event. (India Times, India -- Health/Science)
Medical frontier Feb 17, 2009
Wells pointed toward the cylinders and proceeded past the beams, explaining that the electrons eventually come out of a port and hit tungsten, which converts the energy into a gamma ray. The gamma ray then turns the molybdenum samples and converts some of them to Mo 99. (Pocatello Idaho State Journal, ID)
Magnetic star blasts recorded in real time Feb 12, 2009
In a resurrection that has captivated the astronomical community, the body, known as SGR J1550-5418, is periodically with blasts of radiation encompassing every highway of the electromagnetic spectrum from gamma rays to radio waves ... More recently, astronomers discovered that in gamma rays as well, possibly due to some serious torture of its magnetic field lines ... A pair of gamma ray telescopes picked up 5418's flares in October. (MSNBC -- Technology)
Fireworks From A Flaring Gamma-ray Star Feb 11, 2009
22, 2008) Space scientists report on new discoveries about gamma ray bursts obtained from the Swift satellite and coordinated observations from a global network of ground based telescopes ... This object, known as a pulsar, is the first one known to "blink" only in gamma rays, and was ... 15, 2008) 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.... (Science Daily)
NASA's SkyView Delivers The Multiwavelength Cosmos Feb 10, 2009
(June 20, 2000) The Compton Gamma Ray Observatory was instrumental in proving gamma-ray bursts come from the most distant reaches of the cosmos and are the most powerful explosions in the universe. A team led by. (Science Daily)
