翻訳と辞書
Words near each other
・ NGC 5755
・ NGC 5775
・ NGC 5792
・ NGC 5806
・ NGC 5820
・ NGC 5821
・ NGC 5822
・ NGC 5823
・ NGC 5824
・ NGC 5829
・ NGC 4526
・ NGC 4527
・ NGC 4534
・ NGC 4535
・ NGC 4536
NGC 4550
・ NGC 4555
・ NGC 4559
・ NGC 4565
・ NGC 4567 and NGC 4568
・ NGC 457
・ NGC 4571
・ NGC 46
・ NGC 4603
・ NGC 4605
・ NGC 4609
・ NGC 4618
・ NGC 462
・ NGC 4622
・ NGC 4625


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NGC 4550 : ウィキペディア英語版
NGC 4550

NGC 4550 is a barred lenticular galaxy located in the constellation of Virgo that can be seen with amateur telescopes. It's at a distance of 50 million light-years (15.5 mega parsecs) from the Milky Way and is a member of the Virgo Cluster
== Physical characteristics ==
While NGC 4550 is not one of the brightest galaxies of the Virgo Cluster, its notable as it's one of the few galaxies where a large amount of its stars rotate around the galaxy's center in opposite direction to the others (another, brighter, example is the spiral galaxy NGC 7217). The stars of this galaxy are concentrated in two disks of similar size and surface brightness, one nested within the other〔 and it has been suggested it's the product of the merger between two previous disk galaxies, each one counter-rotating with respect to the other.〔
NGC 4550's center also shows a small amount of molecular hydrogen and interstellar dust,〔 the latter concentrated in a disk surrounding its core where star formation is taking place albeit at a very modest level.

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「NGC 4550」の詳細全文を読む



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