Scientists have developed an X-ray imaging method that could drastically improve the contrast of computed tomography (CT) scans whilst reducing the radiation dose deposited during the scan. The new method is based on the ...
General Physics
Jun 4, 2012
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Last month, when the sun unleashed the most intense radiation storm since 2003, peppering satellites with charged particles and igniting strong auroras around both poles, a group of high school students in Bishop, California, ...
Space Exploration
Apr 23, 2012
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(PhysOrg.com) -- Two-thousand-degree temperatures, supersonic solar particles, intense radiation – all of this awaits NASA’s Solar Probe Plus during an unprecedented close-up study of the sun.
Space Exploration
Mar 7, 2012
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Launched on March 2,1972, Pioneer 10 was the first spacecraft to travel through the Asteroid belt, and the first spacecraft to make direct observations and obtain close-up images of Jupiter. Famed as the most remote object ...
Space Exploration
Mar 1, 2012
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(PhysOrg.com) -- Many of the Universe's galaxies are like our own, displaying beautiful spiral arms wrapping around a bright nucleus. Examples in this stunning image, taken with the Wide Field Camera 3 on the NASA/ESA Hubble ...
Astronomy
Feb 13, 2012
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(PhysOrg.com) -- This new view shows a stellar nursery called NGC 3324. It was taken using the Wide Field Imager on the MPG/ESO 2.2-metre telescope at the La Silla Observatory in Chile. The intense ultraviolet radiation from ...
Astronomy
Feb 1, 2012
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Some of the most bizarre phenomenon in the universe are neutron stars. Very few things in our universe can rival the density in these remnants of supernova explosions. Neutron stars emit intense radiation from their magnetic ...
Astronomy
Nov 22, 2011
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(PhysOrg.com) -- This spiderweb-like tangle of gas and dust is a star-forming region called 30 Doradus. It is one of the largest such regions located close to the Milky Way galaxy, and is found in the neighboring galaxy Large ...
Astronomy
Nov 11, 2011
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(PhysOrg.com) -- A survey of distant galaxies using the Hubble Space Telescope has put another nail in the coffin of the theory that galaxy mergers are the main trigger for turning quiescent supermassive black holes into ...
Astronomy
Oct 14, 2011
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The space between the galaxies wasn't always transparent. In the earliest times, it was an opaque, dense fog. How it cleared is an important question in astronomy. New observational evidence from the University of Michigan ...
Astronomy
Oct 12, 2011
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