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Southern Crab Nebula
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Southern Crab Nebula : ウィキペディア英語版
Southern Crab Nebula

The Southern Crab Nebula or Hen2-104 is a nebula in the constellation Centaurus. The nebula is several thousand light years from Earth, and its central star is a symbiotic Mira variable - white dwarf pair. It is named for its resemblance to the Crab Nebula, which is in the northern sky.
The nebula had already been observed using Earth-based telescopes, but images taken with the Hubble Space Telescope (shown) in 1999 have provided much more detail, revealing that at the center of the nebula are a pair of stars, a red giant and a white dwarf.
== References ==

* () Retrieved March 4 2007.
* (SIMBAD link, retrieved May 23 2007 )


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Southern Crab Nebula」の詳細全文を読む



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