螺旋星系 ( Spiral galaxy ):此类星系中心较圆且隆起像双凸透镜,由核心延伸出几条旋臂,旋臂中包括恒星、气体和尘埃,外形如旋涡,以英文字母 S表示,并...
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棒旋形星系(barred s宝宝有点痔疮怎么办piral galaxy)是中心呈长棒形状的螺旋形星系(spiral galaxy),外痔病因一般的螺旋形星系的中心是有圆核的,而棒旋形星系的中心是棒形状,棒的两边有旋形的臂手术治疗外痔大概多少钱向外伸展。
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barred spiral galaxy [天] 棒旋星系 ; 星系 ; 棒状旋星系 ; 棒涡星系
dwarf spiral galaxy 矮旋涡星系 ; 矮螺旋星系
intermediate spiral galaxy 中间螺旋星系
ringed barred spiral galaxy 有环棒旋星系
normal spiral galaxy [天] 正常旋涡星系
disk of spiral galaxy [天] 旋涡星系盘面
spiral galaxy M81 对螺旋星系M
late-type spiral galaxy 晚型旋涡星系
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同义词: spiral nebula
以上来源于: WordNet
N a galaxy consisting of an ellipsoidal nucleus of old stars from opposite sides of which arms, containing younger stars, spiral outwards around the nucleus. In a barred spiral the arms originate at the ends of a bar-shaped nucleus 涡旋星系
If many such chains were created in a differentially rotating galaxy, the distribution of stars would resemble the observed distribution in a spiral galaxy.
如果许多这样的链是在一个不同的旋转星系中产生的,那么恒星的分布将类似于在螺旋星系中观察到的分布。
It appears as a spiral galaxy, which may be barred.
它看起来是一个旋涡星系,但可能是一个棒旋星系。
On the right, surrounded by blue spiral arms, is spiral galaxy M81.
右边被蓝色旋臂环绕的是旋涡星系m 81。
Mr. Reid noted that: "Our galaxy probably has 4, not 2, spiral arms of gas and dust that are forming stars."
VOA: special.2009.01.20
Recent observations had suggested that 2 of the 4 spiral arms hold most of the older stars in the Milky Way galaxy.
VOA: special.2009.01.20
The new information also adds to astronomers' understanding of our galaxy's spiral arms.
VOA: special.2009.01.20
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