翻訳と辞書 Words near each other ・ 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 ・ NGC 4627 ・ NGC 4631 ・ NGC 4631 Group ・ NGC 4634 ・ NGC 4639 ・ NGC 4650A ・ NGC 4651 ・ NGC 4654 ・ NGC 4656 and NGC 4657 ・ NGC 4658 ・ NGC 4666 Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク NGC 4618 ： ウィキペディア英語版 NGC 4618 NGC 4618 is a distorted dwarf galaxy in the constellation Canes Venatici. The galaxy is formally classified as a Sm galaxy, which means that its structure vaguely resembles the structure of spiral galaxies. The galaxy is sometimes referred to as a Magellanic spiral because of its resemblance to the Magellanic clouds. ==Structure== Unlike most spiral galaxies, NGC 4618 has a single spiral arm, which gives the galaxy an asymmetric appearance. This galaxy was included in the ''Atlas of Peculiar Galaxies'' as one of three examples of nearby galaxies with single spiral arms. Although NGC 4618 is labeled as peculiar, many similar galaxies have been identified. It has been hypothesized that this galaxy's asymmetric structure may be the result of a gravitational interaction with NGC 4625.〔 Such asymmetric structure is commonly seen among many interacting galaxies. However, observations of neutral hydrogen gas in NGC 4618 and NGC 4625 imply that only some of the gas outside the optical disks of NGC 4618 is affected by the gravitational interaction. This may indicate that NGC 4618's one-arm shape forms as the result of processes that are intrinsic to the galaxy itself. 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 4618」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.