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Messier 70
Messier 70 (also known as M70 or NGC 6681) is a globular cluster in the constellation Sagittarius. It was discovered by Charles Messier in 1780. M70 is at a distance of about 29,300 light years away from Earth and close to the Galactic Center. It is roughly the same size and luminosity as its neighbour in space, M69. Only two variable stars are known within this cluster. ==Gallery==
File:Messier70-HST-Potw1215a.jpg|Picture obtained with the Wide Field Camera of Hubble’s Advanced Camera for Surveys. The field of view is around 3.3 by 3.3 arcminutes. File:M70map.png|Map showing location of M70 (Roberto Mura)
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「Messier 70」の詳細全文を読む
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