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 – ...

dateSep 27, 2011 in Astronomy
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The Milky Way's supermassive black hole

Supermassive black holes - objects with masses of millions or even billions of suns - are found at the nuclei of galaxies. Our Milky Way galaxy, for example, has a massive black hole at its core, albeit one ...

dateAug 08, 2011 in Astronomy
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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, ...

dateJul 21, 2011 in Plasma Physics
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What activates a supermassive black hole?

A new study combining data from ESO's Very Large Telescope and ESA's XMM-Newton X-ray space observatory has turned up a surprise. Most of the huge black holes in the centres of galaxies in the past 11 billion ...

dateJul 13, 2011 in Astronomy
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Modeling the bizarre: Quantum superfluids

(PhysOrg.com) -- More than 100 years since superconductivity was discovered, a comprehensive description for the behavior of a broad class of fundamental physical systems that exhibit the bizarre properties ...

dateJun 23, 2011 in Quantum Physics
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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 ...

dateJun 13, 2011 in Astronomy
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