在星系中双星系统是很常见的。
我们的太阳是双星系统的一部分么？
双星系统和其它多星系统。
所以我要提醒你们，双星系统是什么样的。
现在可以测量双星的，随时间的多普勒顿移。
And now you measure the Doppler shift of star two as a function of time.
你观察着周围的，双星系统。
双星系统使我们可以一窥难得一见的空间重力。
假设现在你可以，对双星进行，多普勒顿移的测量。
Imagine now you can make the Doppler shift measurements of both stars.
这颗远距双星有可能是在星团解体时被捕获的。
The origin of wide binaries may be capture during cluster dissolution.
一个艺术家，对于双星系统的概念，这是可能呈现的样子。
I want to show you an artist's conception of such a binary system.
球状星团47Tuc中也存在一些奇怪的紫外双星系统。
Globular cluster 47 Tuc is also home to exotic X-ray binary star systems.
这种机制中包含一对恶霸双星（这是天文学家的真实词汇）。
The mechanism involves a bully binary—that's the astronomers' actual language.
长期以来，天文学家们一直认为，双星合一的现象是极有可能存在的。
Astronomers have long suspected the phenomenon of two stars merging together was possible.
对于天文学的概念，这些中子双星的，存在，现在一部分是。
And this really changed our whole concept of astronomy, the existence of these neutron star binaries.
双星，正如它们的名字所表明的，是两颗在空间位置上互相影响的星球。
Binary stars, as their name suggests, are twin stars whose position in space affects each other.
那些双星系统中的白矮星可能有足够强大的引力，能从伴星上吸聚物质。
Those in a binary star system may have a strong enough gravitational pull to gather in material from a neighboring star.
据估计银河系中三分之一的恒星要么是双星要么是多恒星系统的一部分。
It is estimated that one-third of the stars in the Milky Way are either binary or part of a multiple-star system.
这样一颗行星旋转的平面与我们的不同，并且有可能形成远距双星的轨道。
Such a planet would rotate in a different plane in orientation to our current planet orbits, and probably formed in a wide-binary orbit.
如果第三颗恒星冒险与它们距离过近，恶霸双星会像弹弓一样抛出这个恒星。
If a third star ventures too close, the bully binary flings it clear like a slingshot.
存在于x射线天文学中的，很令人着迷的应用，即，x射线双星。
I want to discuss a fascinating application that we have in X-ray astronomy.
两颗中子星互相绕行形成一个双星系统，它们越靠越近直到它们在爆炸中融合。
Two such stars rotating around each other would form a binary system, getting closer and closer until they merged in a violent explosion.
这个光谱a，顶上的光谱，是一颗恒星的，在双星系统中，周期是20。5天。
And this spectrum a, the top spectrum, is of a star, a binary system, that has a period of 20.5 days.
菲丝对这幅地图的解释产生于一个叫做“齐塔网状星系”的双星系观点。
Fish's interpretation of the map was created from the viewpoint of a double star system called Zeta Reticuli.
但是在双星系中，行星可以如此稳定同时绕双星或单星运行，这究竟现实与否？
But how realistic is it to have a stable planet orbiting one (or both) of the stars in a binary system?
星云的中心是一个年轻的双星系统，星云的能量确定来源于此，但还不能解释星云的颜色。
At the nebula's center is a young binary star system that surely powers the nebula but does not, as yet, explain its colors.
根据新的研究，恶霸双星可以自然形成并且一对恶霸双星可以抛出几十个速逃星。
According to the new study, bully binaries form naturally and can each fling out dozens of runaways.
天空中一半的恒星，都是双星，看光谱的时候，你们会发现，它们绕着彼此转动。
Half of all the stars in the sky are binaries, and so when you look at the spectra, you will see them go around each other.
如果没有正确的关于宇宙组成和形状的校正，这些双星的方向看起来将是歪曲的。
Without the proper corrections for the universe's makeup and shape, the orientation of galactic binaries will look warped.
切尔西的巴西双星大卫·鲁伊斯和拉米雷斯声称他们对即将开始的美洲杯迫不及待了。
Chelsea's Brazilian pair David Luiz and Ramires have insisted that they can hardly wait for the Copa America tournament to kick-off.
这组双星最早是在2008时被发现的，有迹象表明其与当时发生的太阳耀斑爆发有关。
The v1309 group was first found in 2008 when it erupted with a large solar flare.
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