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Andromeda XVIII : ウィキペディア英語版 | Andromeda XVIII
Andromeda XVIII, discovered in 2008, is a dwarf spheroidal galaxy (has no rings, low luminosity, much dark matter, little gas or dust), which is a satellite of the Andromeda Galaxy (M31). It is one of the 14 known dwarf galaxies orbiting M31. It was announced in 2010 that the orbiting galaxies lie close to a plane running through M31's center. Right ascension: 0h2m 14.5s Declination: +45° 5' 20" 〔http://ned.ipac.caltech.edu/level5/March01/Battaner/node13.html〕〔http://www.docdb.net/show_object.php?id=andromeda_xviii〕 ==References==
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「Andromeda XVIII」の詳細全文を読む
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