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・ Cassville, Pennsylvania
・ Cassville, West Virginia
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Cassiopeia Dwarf
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・ Cassipourea eketensis
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・ Cassipourea flanaganii
・ Cassipourea hiotou
・ Cassipourea obovata
・ Cassipourea subcordata
・ Cassipourea subsessilis


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Cassiopeia Dwarf : ウィキペディア英語版
Cassiopeia Dwarf

The Cassiopeia Dwarf (also known as Andromeda VII) is a dwarf spheroidal galaxy about 2.58 Mly away in the constellation Cassiopeia. The Cassiopeia Dwarf is part of the Local Group and a satellite galaxy of the Andromeda Galaxy (M31).
The Cassiopeia Dwarf was found in 1998, together with the Pegasus Dwarf, by a team of astronomers (Karachentsev and Karachentseva) in Russia and the Ukraine. The Cassiopeia Dwarf and the Pegasus Dwarf are farther from M31 than its other known companion galaxies, yet still appear bound to it by gravity. Neither galaxy contains any young, massive stars or shows traces of recent star formation. Instead, both seem dominated by very old stars, with ages of up to 10 billion years.
==See also==

* Andromeda's satellite galaxies

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「Cassiopeia Dwarf」の詳細全文を読む



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