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Palomar 4
Palomar 4 is a globular cluster of the Milky Way galaxy. It was discovered in 1949 by Edwin Hubble and again in 1955 by A. G. Wilson. It is 356,000 light-years away. This star cluster is further away than the Magellanic Clouds and SagDEG satellite galaxies. Initially it was thought to be a dwarf galaxy, and it was given the name Ursa Major Dwarf. However, it was later discovered to be a globular cluster. ==See also==
* Ursa Major Dwarf
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「Palomar 4」の詳細全文を読む
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