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Radiation flashes may help crack cosmic mystery

12-03-2007 · EurekAlert!

Faint, fleeting blue flashes of radiation emitted by particles that travel faster than the speed of light through the atmosphere may help scientists solve one of the oldest mysteries in astrophysics.

Keywords: radiation, flashes, crack, cosmic, mystery, flashe

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Delft nano-detector very promising for remote cosmic realms
01-17-2007 · EurekAlert!
A miniscule but super-sensitive sensor can help solve the mysteries of outer space. Cosmic radiation, which contains the terahertz frequencies that the sensors detect, offers astronomers important new information about the birth of star systems and planets. Merlijn Hajenius developed these sensors for Delft University of Technology's Kavli Institute of Nanoscience, in cooperation with the SRON Netherlands Institute for Space Research. He will receive his PhD degree on 19 January based on this research subject.
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Physicist Lawrence Krauss to Speak at Brookhaven Lab on 'Einstein's Biggest Blunder: A Cosmic Mystery Story,' May 30
04-19-2007 · Brookhaven National Laboratory
Lawrence M. Krauss, Ambrose Swasey Professor of Physics and Astronomy at Case Western University, will give a BSA Distinguished Lecture titled "Einstein's Biggest Blunder: A Cosmic Mystery Story," at Brookhaven National Laboratory on Wednesday, May 30, at 7 p.m. in Berkner Hall.
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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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Scientists crack open stellar evolution
10-26-2006 · EurekAlert!
Using 3-D models run on some of the fastest computers in the world, laboratory physicists have created a mathematical code that cracks a mystery surrounding stellar evolution.
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Very high frequency radiation makes dark matter visible
12-14-2006 · EurekAlert!
Max Planck researcher from Garching prove that giant radio telescope can deliver high-resolution images showing the cosmic mass distribution.
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Possible cosmic defect may be a window into the early universe
10-25-2007 · EurekAlert!
An unusual cold spot in the oldest radiation in the universe, the cosmic microwave background, may be caused by a cosmic defect created just after the Big Bang, a Spanish and UK research team has found. Although these findings need confirmation with further research, the suggestion may provide cosmologists with a long-sought clue about how the infant universe evolved.
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Two cosmic bursts upset tidy association between long gamma-ray bursts and supernovae
12-20-2006 · EurekAlert!
Only in the past decade have astronomers been able to make sense of the bright flashes of cosmic light known as gamma-ray bursts, which are the brightest explosions in the universe. But two newly observed bursts reported in this week's Nature suggest that not all can be neatly divided between long bursts associated with supernovae and short bursts due to stellar mergers.
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Auger Observatory closes in on mystery, links highest-energy cosmic rays with violent black holes
11-08-2007 · EurekAlert!
The Pierre Auger Collaboration announced that active galactic nuclei are the most likely candidate for the source of the highest-energy cosmic rays that hit Earth. Using the Pierre Auger Observatory in Argentina, the team of scientists found that the sources of the highest-energy particles are not distributed uniformly across the sky. Instead, the Auger results link the origins of these mysterious particles to the locations of nearby galaxies that have active nuclei in their centers.
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Mystery cosmic explosions
12-20-2006 · EurekAlert!
Scientists have discovered what appears to be a new kind of cosmic explosion, the subject of four articles in this week's issue of Nature. They call the explosion a hybrid gamma-ray burst.As with other gamma-ray bursts, this hybrid burst is likely signalling the birth of a new black hole. It is unclear, however, what kind of object or objects exploded or merged to create the black hole or, perhaps, something even more bizarre.
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Robotic telescope unravels mystery of cosmic blasts
03-16-2007 · EurekAlert!
Scientists have used the world's largest robotic telescope to make the earliest-ever measurement of the optical polarisation* of a Gamma Ray Burst (GRB) just 203 seconds after the start of the cosmic explosion. This finding, which provides new insight into GRB physics, is published in Science today (15th March 2007).
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