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Дата изменения: Mon Mar 13 10:46:32 2006
Дата индексирования: Tue Dec 25 22:58:25 2007
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Поисковые слова: вечный календарь
Z Machine Sets Unexpected Earth Temperature Record
Astronomy Picture of the Day
    


Z Machine Sets Unexpected Earth Temperature Record
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Z Machine Sets Unexpected Earth Temperature Record
Credit: Z Machine Collaboration, Sandia National Lab, Lockheed Martin, NNSA, DOE
Explanation: Why is this plasma so hot? Physicists aren't sure. What is known for sure is that the Z Machine running at Sandia National Laboratories created a plasma that was unexpectedly hot. The plasma reached a temperature in excess of two billion Kelvin, making it the hottest thing ever in the history of the Earth and, for a brief time, hotter than the interiors of stars. The Z Machine experiment, pictured above, purposely creates high temperatures by focusing 20 million amps of electricity into a small region further confined by a magnetic field. Vertical wires give the Z Machine its name. During the unexpected powerful contained explosion, the Z machine released about 80 times the world's entire electrical power usage for a brief fraction of a second. Experiments with the Z Machine are helping to explain the physics of Solar flares, design more efficient nuclear fusion plants, test materials under extreme heat, and gather data for the computer modeling of nuclear explosions.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Based on Astronomy Picture Of the Day

Publications with keywords: temperature - plasma
Publications with words: temperature - plasma
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