| 释义 |
qua·sar 英ˈkweɪˌzɑː, -ˌsɑː, -zə, -sə美ˈkweˌzɑr, -ˌsɑr, -zɚ, -sɚAHDkwāʹzär', -sär', -zər, -sər ★☆☆☆☆高ＩＴCOCA²¹⁹³⁴BNC³³⁵⁴⁶iWeb²⁴³⁵⁰
基本英英词源近义反义例句例句
n.类星体¹⁰⁰复数quasars
天文
Noun:
a starlike object that may send out radio waves and other forms of energy; many have large red shifts缩写自quasi-stellar.近义词 quasi-stellar radio source类星射电源
名词100%
用作名词The fuzzy object near topquasarimage is the foreground galaxy.靠近顶部类星体形象的模糊物体就是前景星系。
They do so by combiningquasarspectra with numerical simulations of structure formation.他们的做法是将类星体光谱和结构形成的数值模拟结果结合在一起。 Richard Larson, a Yale astronomer who studies star formation in galactic nuclei, says galaxies can go through several quasar phases during their lives.
理查德·拉尔森，一个耶鲁的天文学家，他研究星系核中的恒星结构，他说，星系在整个生命史中，可能会经历好几个类星体的阶段。 yeeyan
So the galaxy will keep growing until it envelops the quasar itself.
而且，这个星系会持续膨胀直到把这个类星体包裹在内。 yeeyan
Suspecting that it might be the source of primordial dust, she recruited a space telescope called Spitzer to look at a quasar called PG2112+059 in more detail.
Markwick-Kemper博士将名为 PG2112+059的类星体假想成早期尘埃的来源，启用了太空望远镜——斯匹策红 Spitzer对其进行了更为细致的观察。 ecocn
The green gas cloud is now essentially a delayed, optical echo of the dead quasar.
绿色的气体云通常被看做是泯灭后的类星体的余烬，能用肉眼观察到。 yeeyan
The quasar outshines its entire host galaxy so significantly that scientists have not been able to see what's really causing all the commotion.
类星体中所有的星系都大放光芒，以至于科学家不能分辨到底是什么导致了这所有的爆发。 yeeyan
What makes the discovery scientifically important is that it's the first evidence of how fast a quasar can shut down. Click to enlarge this image.
最新资料表明类星体能泯灭，这是一个科学史上的重要发现。点此图片放大。 yeeyan
What makes the discovery scientifically important is that it's the first evidence of how fast a quasar can shut down.
最新资料表明类星体能泯灭，这是一个科学史上的重要发现。 yeeyan
A single quasar can be 1,000 times brighter than an entire galaxy of100 billion stars.
一个类星体比1000亿个恒星组成的星系还要亮1000倍。 yeeyan
Bursts of intense star formation seem to last about10 million to 20 million years around a typical quasar.
在一个典型的类星体周围，剧烈活动的恒星构造的爆发看起来会持续大约一两千万年。 yeeyan
In fact, the enormous green cloud is now suspected to be part of a tidal tail of material illuminated by a quasar inhabiting the center of IC2497.
事实上，天文学家怀疑这团巨大的绿色云团，是由于 IC2497星系的活动星系核中产生了一个类星体。 yeeyan
In our current picture, as every galaxy forms and collapses, it has a brief quasar phase.
在我们目前所掌握的星系建立和毁灭的图景中，存在着一个短暂的类星体阶段。 yeeyan
It almost surely once had a quasar phase, astronomers say.
天文学家已经几乎确认，它曾经存在一个类星体的阶段。 yeeyan
Near the quasars in time are other, normal galaxies that have likely just passed through a quasar phase, as seen in images released earlier this month.
本月早些时候公布的一些图片显示，在类星体周围适时出现的，是其他那些正常的，刚刚经历了类星体阶段的星系。 yeeyan
Powered by a massive black hole, the quasar suddenly turned off, leaving only galaxy and glowing voorwerp visible in telescopes at optical wavelengths.
这种由超大黑洞提供能量的类星体熄灭后，在光学望远镜中只能见到星系和明亮的哈尼天体。 yeeyan
Scientists observed that the quasar is shooting out highly energetic particles and fast- moving gas in the direction of the galaxy. It looks as if that’s inducing the creation of those stars.
科学家们还观测到，那个类星体正朝着它旁边的这个星系方向喷发大量的能量物质和高速移动的气体物质，看上去就好像是它也参与了这个星系的造星活动。 yeeyan
Scientists were checking out a quasar, an incredibly distant, incredibly bright object. This quasar was the only one without a known host galaxy.
科学家们在研究一种距离遥远，亮度超常的类星体，它是唯一没有已知宿主星系的恒星状球体。 hjenglish
Such mergers can generate a quasar phase of galactic evolution.
这些合并会在星系进化的过程中促成类星体阶段的到来。 yeeyan
That is what makes a quasar.
那就是，究竟是什么造就了一个类星体。 yeeyan
The quasar is the orange object at the center of the large, irregular- shaped galaxy.
图中这颗橙色的类星体位于一个巨大、且不规则形状的星系中心。 yeeyan
These minerals must have been produced by the quasar, Dr Markwick- Kemper argues, because their crystal structures would not survive long in the hostile conditions of outer space.
Dr Markwick- Kemper认为，这些矿物肯定是类星体产生的，因为在外太空它们的晶状结构很难长时间存在。 ecocn
These quasar jets are formed when electrons emitted from a black hole impact with cosmic background radiation left by the big bang, giving astronomers clues about the conditions in the early universe.
这些类星体的河外星系是由当黑洞所发射的电子与大爆炸所遗留下来的宇宙背景辐射碰撞后所形成的，它为天文学家提供了关于早期宇宙的线索。 yeeyan
This quasar was the only one without a known host galaxy.
这个类星体似乎无依无傍，不在任何一个星系当中。 yeeyan
This quasar holds a black hole that's20 billion times more massive than the sun, and after gobbling down dust and gas it belches out as much energy as a thousand trillion suns.
这颗类星体内含有一个质量为太阳200亿倍的黑洞，在吞吃了大量宇宙尘埃和气体之后，其内含的能量已经达到太阳的数千万亿倍。 cnbeta
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.
该类星体点亮了附近的气体，虽然该类星体已经耗尽，但光仍在该物体中旅行。 yeeyan |