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Дата изменения: Wed Jan 28 10:31:35 2004
Дата индексирования: Tue Dec 25 13:16:40 2007
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Поисковые слова: crab nebula
The <b style="color:black;background-color:#ffff66">Crab</b> <b style="color:black;background-color:#66ffff">Nebula</b> from CFHT
Astronomy Picture of the Day
    


The Crab Nebula from CFHT
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The Crab Nebula from CFHT
Credit: Canada-France-Hawaii Telescope, J.-C. Cuillandre (CFHT), Coelum
Explanation: This is the mess that is left when a star explodes. The Crab Nebula, the result of a supernova seen in 1054 AD, is filled with mysterious filaments. The filaments are not only tremendously complex, but appear to have less mass than expelled in the original supernova and a higher speed than expected from a free explosion. The above image, taken by the Canada-France-Hawaii Telescope (CFHT), is in three colors chosen for scientific interest. The Crab Nebula spans about 10 light-years. In the nebula's very center lies a pulsar: a neutron star as massive as the Sun but with only the size of a small town. The Crab Pulsar rotates about 30 times each second.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
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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: Crab Nebula - M1 - CFHT Telescope
Publications with words: Crab Nebula - M1 - CFHT Telescope
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