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M31(仙女星系)是本星系群中最大的旋涡星系。 M31 (Andromeda galaxy) is the biggest spiral in the Local Group. | ||
它看起来是一个旋涡星系，但可能是一个棒旋星系。 It appears as a spiral galaxy, which may be barred. | ||
有些旋涡星系几乎是侧面对着我们的。 Some spiral galaxies are seen almost sideways. | ||
后发星系团及其它星系团的许多星系是椭圆星系，而星系团外面的许多星系是旋涡星系。 Most galaxies in Coma and other clusters are ellipticals, while most galaxies outside of clusters are spirals. | ||
右边被蓝色旋臂环绕的是旋涡星系m 81。 On the right, surrounded by blue spiral arms, is spiral galaxy M81. | ||
最近十几年来，银河系已被确认为是一个棒旋星系，而不是无棒结构的普通旋涡星系。 Therefore, our Milky Way should be morphologically catalogued as a barred spiral galaxy instead of a normal spiral one. | ||
下载高分辨画面找寻一些梅西尔远方旋涡星系的精致图像，还有猫头鹰星云。 Download the higher resolution image to hunt for exquisite views of some of Messier's distant spiral galaxies and a more local owl. | ||
画面上方横着的是遥远的星星之河和暗尘云，这是旋涡星系我们的银河系银盘的一部分。 Across the top of the image runs a distant stream of bright stars and dark dust that is part of the disk of our spiral Milky Way Galaxy. | ||
因此，天文爱好者们都被鼓动了起来，尽可能频繁地拍摄旋涡星系，以此填补世界上最强大的望远镜的间歇性观察当中的时间空隙。 Therefore, sky enthusiasts are encouraged to image the Whirlpool galaxy as often as possible to fill in time gaps left by intermittent observations made by the world's most powerful telescopes. | ||
另外两个麦哲伦星系均为X星系的十倍以上。 The two Magellanic are each about ten times larger. | ||
