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Space News From SpaceDaily.Com (Free subscription) | 03/06/2008
Cape Canaveral FL (SPX) Mar 06, 2008 - NASA's Gamma-ray Large Area Space Telescope, or GLAST, arrived Tuesday at the Astrotech payload processing facility near the Kennedy Space Center to begin final preparations for launch. Liftoff of GLAST aboard a Delta II rocket is currently targeted for 11:45 a.m. EDT on May 16.
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Jonstraveladventures (Free subscription) | 03/05/2008
... itchy trigger fingers and their taser pointed directly at us. Well this may be the case and if the gamma ray burster were to let loose on us, we'd be in a whole lot of trouble. Could be quite a fireworks display! Again, a link from BAblog
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Fox News (Free subscription) | 03/05/2008
Spiraling star system's axis points at Earth, and unstable star's explosion would focus deadly blast of gamma rays straight at us.
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The mental_floss Blogs (Free subscription) | 03/05/2008
... I found myself craving a salad. * WR 104 is a binary star on the brink of exploding, possibly into gamma-ray bursts, which can send a narrow beam of destructive rays to far away planets. Here’s why we shouldn't worry about it. * Video Compilation of Embarrassment : Classic faceplants, accidents, and general ineptitude. We never tire of this kind of thing, do we? * On Music: the strings in...
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Arxiv (Free subscription) | 03/05/2008
In the framework of the expected association between gamma-ray bursts and gravitational waves, we present results of an analysis aimed to search for a burst of gravitational waves in coincidence with gamma-ray burst 050915a. This was a long duration gamma-ray burst detected by Swift during September 2005, when the Virgo gravitational wave detector was engaged in a commissioning...
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Gizmodo (Free subscription) | 03/04/2008
Now I don't want to alarm you, but there just happens to be a binary star about 8,000 light years from us that's on the brink of exploding. Not a big deal normally, but this one happens to have its pole pointed right at us, which means that if it explodes in a gamma-ray burst it could shoot a beam of destructive, ozone-layer-melting gamma rays at us all Death-Star-like.There are enough...
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Space Spin (Free subscription) | 03/04/2008
NASA's Gamma-ray Large Area Space Telescope, or GLAST, arrived Tuesday at the Astrotech payload processing facility near the Kennedy Space Center to begin final preparations for launch. Liftoff of GLAST aboard a Delta II rocket is currently targeted for 15:45 UTC on May 16.
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Bad Astronomy Blog (Free subscription) | 03/04/2008
The Gamma-Ray Large Area Space Telescope, or GLAST, arrived safely at NASA’s Kennedy Space Center today, and is being prepped for launch. It'll head into Earth orbit on a Delta-II rocket, and the launch is set for May 16th at 11:45 a.m. Eastern time. I’m excited about this; I worked on GLAST education for six years, [...]
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Neatorama (Free subscription) | 03/04/2008
WR 104 is a binary star 8,000 light years from Earth. Both stars are on the brink of exploding, possibly into gamma-ray bursts, which can send a narrow beam of destructive gamma rays to far away planets. Since the pole of the spiral disc formed by the two stars seems to point at us, there [...]
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Universe Today (Free subscription) | 03/04/2008
A team of astronomers from the University of Sydney in Australia have been keeping an eye on a binary star system called Wolf-Rayet 104, located in the constellation Sagittarius. Wolf-Rayet stars are hot, gargantuan, older stars that are losing their masses, and astronomers consider these stars as ticking bombs: they could go supernova [...]
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Bad Astronomy Blog (Free subscription) | 03/03/2008
I spend a lot of time in my upcoming book Death from the Skies! making the case that for the most part, astronomical dangers to life on Earth — especially from explosions called gamma-ray bursts — are incredibly rare, and not worth fretting over too much. I may — may — have to change my mind. [...]
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News.com.au (Free subscription) | 03/03/2008
A highly unstable star at the end of its life could unleash a burst of gamma-ray radiation directed straight at Earth, any time between now and the next couple of hundred thousand years.
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News.com.au (Free subscription) | 03/03/2008
A highly unstable star at the end of its life could unleash a burst of gamma-ray radiation directed straight at Earth, any time between now and the next couple of hundred thousand years.
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Arxiv (Free subscription) | 03/03/2008
In this work we study gravitational lensing of neutrinos by Schwarzschild black holes. In particular, we analyze the case of a neutrino transient source associated with a gamma-ray burst lensed by a supermassive black hole located at the center of an interposed galaxy. We show that the primary and secondary images have an angular separation beyond the resolution of forthcoming km-scale detectors,...
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Arxiv (Free subscription) | 03/03/2008
In gravitational-wave detection, special emphasis is put onto searches that focus on cosmic events detected by other types of astrophysical observatories. The astrophysical triggers, e.g. from gamma-ray and X-ray satellites, optical telescopes and neutrino observatories, provide a trigger time for analyzing gravitational wave data coincident with the event. In certain cases the expected frequency...
