quasar

美 [?kwe??zɑr] 　英 [?kwe?zɑ?(r)]

• n.類星體
• 網(wǎng)絡(luò)類星射電源；恒星；類星球體

詞形變化

復(fù)數(shù)：quasars  

英漢雙解

英漢解釋

n.	1. 【天】類星體;類星射電源

英英解釋

n.	1. a very bright object in space that looks like a star and produces a lot of energy

例句

But scientists have now found a quasar that's apparently churning out new stars in the absence of a host galaxy.

但是現(xiàn)在科學(xué)家們發(fā)現(xiàn)，一顆沒有掛靠主星系的類星體顯然在大量地制造出新恒星。

This quasar lit up the nearby gas, and although the quasar has since gone out, the light from it is still travelling to the object.

該類星體點(diǎn)亮了附近的氣體，雖然該類星體已經(jīng)耗盡，但光仍在該物體中旅行。

To test for problems of this kind, we substituted calibration data for the quasar data and analyzed them, pretending they were quasar data.

為了測試這類問題，我們使用校準(zhǔn)過的數(shù)據(jù)取代類星體資訊，并把它們當(dāng)做類星體的數(shù)據(jù)來分析。

A growing black hole, called a quasar, can be seen at the center of a faraway galaxy in this artist's concept.

這是一顆正在成長的黑洞，稱之為類星體，它位于一個遙遠(yuǎn)星系的中心。

In short, quasar activity, like star formation, was more vigorous in the distant past, a third sign that we live in relatively boring times.

簡單地說，類星體的活動就像恒星的形成一樣，在遙遠(yuǎn)的過去比今天更為猛烈，這是第三個指標(biāo)，顯示出我們生活在一個相對較為乏味的年代。

Bursts of intense star formation seem to last about 10 million to 20 million years around a typical quasar.

在一個典型的類星體周圍，劇烈活動的恒星構(gòu)造的爆發(fā)看起來會持續(xù)大約一兩千萬年。

The mirror, in this case, is a vast blob of gas about 70, 000 light-years away from the center of a spiral galaxy, where the quasar resides.

從這種情況看，這個大家伙實(shí)質(zhì)上是來自70000光年之外的星系螺旋線（宇宙射線）的視像，也即是類星體所在之處。

The first one we looked for was a distortion of the wavelength scale against which the quasar spectral lines were measured.

我們第一個檢查的是，測量類星體譜線時波長尺標(biāo)的扭曲。

Within a few million years, both quasar and galaxy will have merged.

在幾百萬年的時間里，類星體和伴星系將會合并在一起。

As light from a quasar travels through space, it passes through clouds of gas that imprint absorption lines onto its spectrum.

當(dāng)光從一個類星體劃過太空，便會穿過將吸收線特征印在光譜上的氣體云。

That gas absorbs the quasar light at particular frequencies, imprinting a bar code of narrow lines onto the quasar spectrum [see box above].

這些氣體吸收了特定頻率的光后，便會在類星體的光譜上刻劃出許多狹窄暗線的條碼（參見下頁〈星光捎來的訊息〉）。

With only its hot whirling quasar within its reach, the black hole would swallow that up and then stop feeding.

當(dāng)只有這些炙熱的旋轉(zhuǎn)著的類星體在他的它的勢力范圍內(nèi)時，黑洞將吞噬掉這些然后停止活動。

In this image, the two star like objects are the split images of the quasar.

在這張圖像上，兩位明星狀物體是分裂圖象的類星體。

A 2003 mine-clearing operation in the port of Um Quasar, Iraq, was a major test for autonomous underwater vehicles.

2003年排雷行動，在港口這個類星體，伊拉克，是一大考驗(yàn)，水下航行器。

The quasar is the orange object at the center of the large, irregular-shaped galaxy.

圖中這顆橙色的類星體位于一個巨大、且不規(guī)則形狀的星系中心。

They compared the spacing between these lines in quasar spectra with laboratory measurements.

他們比較類星體光譜與實(shí)驗(yàn)室的測量結(jié)果中，吸收線間的距離。

The one physical system, the brain, contains an accurate working model of the other -- the quasar.

一個物理系統(tǒng)，大腦，包含了另外一個物理系統(tǒng)的準(zhǔn)確工作模型--類星體。

It almost surely once had a quasar phase, astronomers say.

天文學(xué)家已經(jīng)幾乎確認(rèn)，它曾經(jīng)存在一個類星體的階段。

Petitjean and Scannapieco are working together on the clustering of heavy elements observed in quasar spectra.

佩提特金與史坎納皮科正合作探討類星體光譜中觀測到的重元素群集現(xiàn)象。

That may explain why some quasars are surrounded by galaxies: the galaxy didn't form the quasar; rather the quasar pulled in the galaxy.

這也許可以解釋為什么有些類星體會被星系包圍著：星系并沒有形成類星體，相反，是類星體把星系吸引過來的。

In our current picture, as every galaxy forms and collapses, it has a brief quasar phase.

在我們目前所掌握的星系建立和毀滅的圖景中，存在著一個短暫的類星體階段。

Colours for 2010 are Pearl Cool White, Pearl Siena Red, Pearl Nightstar Black and Quasar Silver Metalic.

2010年的款式色彩有珍珠冷白，Siena珍珠紅，Nightstar珍珠黑和Quasar金屬銀。

Such mergers can generate a quasar phase of galactic evolution.

這些合并會在星系進(jìn)化的過程中促成類星體階段的到來。

The fuzzy object near top quasar image is the foreground galaxy.

模糊對象近頂部類星體形象就是前景的銀河。

So the galaxy will keep growing until it envelops the quasar itself.

而且，這個星系會持續(xù)膨脹直到把這個類星體包裹在內(nèi)。

You can wander to the Jumirah Beach Hotel, or the Al Quasar. Also golf buggies to take you around or the water taxis, which are fun.

你可以漫步到朱美拉（Jumirah）海灘酒店，此外高爾夫球車和水上的士會帶你四處走走，都特別有趣。

What makes the discovery scientifically important is that it's the first evidence of how fast a quasar can shut down.

最新資料表明類星體能泯滅，這是一個科學(xué)史上的重要發(fā)現(xiàn)。

This beam came from a quasar, a bright, energetic object that is powered by a black hole.

“探照燈”光束來自星系中心的類星體——超級黑洞驅(qū)動的明亮高能天體。

You could use the pool at the Al Quasar, which was enormous.

你還可以使用巨大的水池。

The quasar is known as SDSS J0013+1523 and located about 1. 6 billion light-years from Earth.

這一類星體叫做SDSSJ0013+1523，位于離地球約16億光年處。

Which came first, the quasar or the galaxy?

類星體和星系哪一個形成在前呢？

Is it an asteroid, dwarf planet, comet or quasar? You've got three seconds, go!

它是小行星，白矮星，彗星還是類星體？你有三秒鐘的時間，開始！

HE0450-2958 is a typical quasar in some respects.

從某些方面來講，HE0450-2958是一顆典型的類星體。

That is what makes a quasar.

那就是，究竟是什么造就了一個類星體。

It is particularly important to study the absorption lines of quasar.

類星體吸收線的研究具有重要意義。

Evidence Consistent with the Cosmological Interpretation of Quasar Redshifts

跟類星體紅移宇宙學(xué)解釋相符合的證據(jù)

Identifying the Lines and Determining the Redshift of a Quasar

確認(rèn)類星體的光譜線及決定它的紅移