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行星状星云

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NGC 5189 is a planetary nebula with an oriental twist. Similar in appearance to a Chinese dragon, these red and green cosmic fireworks are the last swansong of a dying star.

NGC 5189是个行星状星云,它是一颗恒星垂死前的最后表演,它具有少见的东方神物——中国龙的外形。

Alister Ling published a list of 60 "planetary nebulae visible from the city" in the now-defunct Deep Sky magazine (Summer 1986 issue).

在1986年夏天出版的《深空天体杂志》上阿里斯特·林公布了一张60个的&城市中可见的行星状星云&表。

The detection of extragalactic PNe also allows them to be used as standard candles for extragalactic distance scales, probes of distribution of dark matter, as well as tools to study the dynamic history of galaxy clusters.

另外,银河系外的行星状星云既可以用作测量系外距离的标准烛光,又可以成为侦测暗物质分布的探针,及研究星系团动力学历史的工具。

Planetary nebulae are the spectacular final phase in the life of Sun-like stars, when the star ejects its outer layers into the surrounding space.

行星状星云是像太阳这样的恒星最后的辉煌,当恒星进入生命晚期时,它会把外层大气抛到周围的太空中。

According to NASA, Hubble's keen 'eye' disclosed that planetary nebulas are like snowflakes: no two are like.

哈勃望远镜告诉人们,行星状星云就像雪花一样,没有任何两个是一样的。

This image of the planetary nebula SuWt 2 reveals a bright ring-like structure encircling a bright central star.

本图中的行星状星云SuWt2的结构是:一个明亮的环围绕的一颗明亮的中心星。

Many tiny planetary nebulae have quite high surface brightnesses.

许多小的行星状星云有较高的表面亮度。

The sands of time are running out for the central star of this hourglass shaped planetary nebula .

对产生这个行星状星云的中心恒星来说,它的来日的确是不多了。

The term planetary nebula , used to describe this general class of objects , is misleading .

这一类天体有一个令人误解的术语,那就是&行星状星云&。

A planetary nebula represents the final stage in the evolution of a star similar to our Sun.

行星状星云是类似于太阳的恒星的演化归宿。

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