News tagged with nuclei

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AGNs as a new standard candle?

Nope. A standard candle isn’t the same red, green, blue, yellow and omni-present pink wax sticks that decorate your every day birthday cake. Until now a standard candle meant a Cepheid variable star – ...

Sep 27, 2011
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Vessel to contain cosmic force takes shape

At the heart of most celestial objects is a dynamo. The Earth's dynamo, spun to life in the molten metal core of our planet, generates a magnetic field that helps us find north and, perhaps more critically, ...

Jul 21, 2011
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Oh-My-God Particles

Cosmic rays are really sub-atomic particles, being mainly protons (hydrogen nuclei) and occasionally helium or heavier atomic nuclei and very occasionally electrons. Cosmic ray particles are very energetic ...

Jun 13, 2011
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The role of bacteria in weather events

Researchers have discovered a high concentration of bacteria in the center of hailstones, suggesting that airborne microorganisms may be responsible for that and other weather events. They report their findings today at ...

May 24, 2011
5 / 5 (3) 1

The murmur of a monster

The Andromeda galaxy is the nearest large galaxy to our Milky Way. Like the Milky Way, it has a spiral-arm structure with a massive black hole at its nucleus. Unlike the Milky Way, however, its black hole ...

Feb 28, 2011
3.9 / 5 (9) 9

Detecting esophageal cancer with light

A tiny light source and sensors at the end of an endoscope may provide a more accurate way to identify pre-cancerous cells in the lining of the esophagus.

Jan 04, 2011
5 / 5 (1) 0

Wallflowers become extroverts in a crowd

While it's long been said that two's company and three's a crowd, that's just how mesons like it. A recent experiment at DOE's Jefferson Lab demonstrates that these subatomic particles engage more with other particles when ...

Sep 28, 2010
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