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NASA: major step toward knowing origin of cosmic rays
10-09-2007 · EurekAlert!Recent observations from NASA and Japanese X-ray observatories have helped clarify one of the long-standing mysteries in astronomy -- the origin of cosmic rays.
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- Chandra discovers relativistic pinball machine
11-15-2006 · EurekAlert!
New clues about the origins of cosmic rays, mysterious high-energy particles that bombard the Earth, have been revealed using NASA's Chandra X-ray Observatory. An extraordinarily detailed image of the remains of an exploded star provides crucial insight into the generation of cosmic rays.
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- Possible progenitor of special supernova type detected
02-13-2008 · EurekAlert!
Using data from NASA's Chandra X-ray Observatory, scientists have reported the possible detection of a binary star system that was later destroyed in a supernova explosion. The new method they used provides great future promise for finding the detailed origin of these important cosmic events.
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- Mysterious cosmic rays linked to galactic powerhouses
11-08-2007 · EurekAlert!
The sprawling Auger Cosmic Ray Observatory in South America has produced its first major discovery while still under construction. The international Auger collaboration has traced the rain of high-energy cosmic rays that continually pelts the Earth to the cores of nearby galaxies, which emit prodigious quantities of energy.
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- Breaking the Barrier Toward Nanometer X-ray Resolution
09-28-2007 · Brookhaven National Laboratory
A team of researchers at Brookhaven National Laboratory have overcome a major obstacle for using refractive lenses to focus x-rays. This method will allow the efficient focusing of x-rays down to extremely small spots and is an important breakthrough in the development of a new, world-leading light source facility that promises advances in nanoscience, energy, biology, and materials research.
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- Chandra discovers cosmic cannonball
11-28-2007 · EurekAlert!
One of the fastest moving stars ever seen has been discovered with NASA's Chandra X-ray Observatory. This cosmic cannonball is challenging theories to explain its blistering speed.Astronomers used Chandra to observe a neutron star, known as RX J0822-4300, over a period of about five years. During that span, three Chandra observations clearly show the neutron star moving away from the center of the Puppis A supernova remnant at over 3 million miles per hour.
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- Galaxy cluster takes it to the extreme
05-30-2007 · EurekAlert!
Evidence for an awesome upheaval in a massive galaxy cluster was discovered in an image made by NASA’s Chandra X-ray Observatory. The origin of a bright arc of ferociously hot gas extending over two million light years requires one of the most energetic events ever detected.
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- Stanford scientists make major breakthrough in regenerative medicine
04-24-2007 · EurekAlert!
Findings described in a new study by Stanford scientists may be the first step toward a major revolution in human regenerative medicine -- a future where advanced organ damage can be repaired by the body itself. In the May 2007 issue of The FASEB Journal, researchers show that a human evolutionary ancestor, the sea squirt, can correct abnormalities over a series of generations, suggesting that a similar regenerative process might be possible in people.
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- Suzaku explains cosmic powerhouses
12-20-2007 · EurekAlert!
By working in synergy with a ground-based telescope array, the joint Japanese Aerospace Exploration Agency (JAXA)/NASA Suzaku X-ray observatory is shedding new light on some of the most energetic objects in our galaxy, but objects that remain shrouded in mystery.
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- Neutron probe yields break in superconductor mystery
02-01-2007 · EurekAlert!
U.S. and Canadian researchers report a major step toward solving a two-decades-old materials science mystery and progress toward the ultimate goal of engineering materials optimized for magnetic and electric properties.
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- X-ray holograms expose secret magnetism
05-02-2007 · EurekAlert!
Collaborative research between scientists in the UK and USA has led to a major breakthrough in the understanding of antiferromagnets, published in this week's Nature. Scientists at the London Centre for Nanotechnology, the University of Chicago and the Center for Nanoscale Materials at Argonne National Laboratory have used X-rays to see the internal workings of antiferromagnets for the very first time.
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