查询词典 planetary nebula

Many objections can be raised to this picture of planetary nebula formation .

形成行星状星云的这一图象可能会引起许多异议。

The Sun is expected to go through its own Planetary Nebula phase .

再过五十亿年，太阳预期也会进入行星状星云阶段。

The star primarily responsible for this interstellar sculpture can be found in the planetary nebula's center.

至于造成这座星际雕塑品的始作俑者，我们可以在行星状星云的中心看到此恒星的尊容。

A planetary nebula is an expanding cloud of gas ejected from a star that is nearing the end of its life.

行星状星云一个由来自中心濒临死亡恒星所释放出的气体组成的正在膨胀的星云。

The Helix planetary nebula is constructed from matter ejected by a dying Sun-like star, almost 690 light-years away.

这种螺旋行星状星云是由一颗即将消逝的恒星所喷发出来的大量物质所有形成的，大概距离地球690光年。

These new developments enable us to identify the first instance of symmetry breaking in the evolution from AGB to planetary nebula.

这个新发现使我们能够鉴认AGB星从打破球对称结构到最终形成行星状星云的最初一步。

The white dot at the Helix's center is this Planetary Nebula 's hot , central star .

螺旋星云中央的白点就是这个行星状星云炽热的中央星。

In fact, 21st century astronomers would classify it as a Planetary Nebula, but it's not a planet either, even though it may appear round and planet-like in a small telescope.

事实上，21世纪的天文学家将该天体归类为行星状星云，但是它也不是一颗行星，尽管通过小型望远镜看，它的外观可能呈圆形、类行星状。

Well, 20th century astronomers would classify it as a Planetary Nebula ... but it's not a planet either, even though it may appear round and planet-like in a small telescope.

在21世纪，天文学家会将它分类为行星状星云，但是实际上它也不是行星，只是用小型的望远镜观测时，它具有行星的圆盘状外观而已。

"Butterfly"-shaped object is a planetary nebula, extending the length of this structure is about 3,800 light-years.

&蝴 蝶&状天体是一个行星状星云，这个结构延伸长度大约是 3800 光年。

After oxidation, pH value of the surface of carbon black has a specific relation with the volatile content.

氧化后炭黑表面的pH值与挥发分之间有一定的关系。

Knowing that such a person is warped and sinful; he is self-condemned.

因为知道这等人已经背道，犯了罪，自己明知不是，还是去做。