A binary star is a double star, consisting of two stars turning round each other.
双星是两颗星，是由相互围绕旋转的两颗星组成。
It's name is Eta Carinae. It's a star-or to be absolutely accurate-a binary star.
它的名字是船底座伊塔星，它是一颗恒星-或绝对准确地-双星。
Part of a binary star system, the compact White Dwarf gradually captured material from its companion star.
作为一个双星系统的一部分，这颗致密的白矮星慢慢地从它的伴星上吸积物质。
Those in a binary star system may have a strong enough gravitational pull to gather in material from a neighboring star.
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。
Most of the pulsars that spin faster than once per 20 milliseconds are part of a binary star system, but about 30% have no companions whatsoever, the scientists note.
科学家们指出，多数脉冲星是双星系统的一部分，自转速度不到20毫秒一周，但是大约30%的脉冲星没有任何伴星。
And this spectrum a, the top spectrum, is of a star, a binary system, that has a period of 20.5 days.
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。
Suppose you have a binary system that only one star is visible and the other one is invisible and the one star shows you three clear absorption lines.
假设有一个双星系统,只能看见一颗恒星,另一个看不见,一个恒星,有三条清晰吸收线。
Tatooine, a habitable world (or it was until the Rakata race plundered the planet of its natural resources), exists in the fictional binary star system of Tatoo.
塔图因星球位于虚构的塔图双星星系中，是个适宜居住的星球(或者至少在拉卡塔人对其发起进攻掠夺其资源前)。
If a third star ventures too close, the bully binary flings it clear like a slingshot.
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。
An artist's conception shows M33 X-7, a binary system in the galaxy M33 where a black hole is in orbit with a large star.
一副描绘M 33 X - 7的艺术概念图，这是位于M33星系的一个双星系统，黑洞正在一颗巨大恒星的轨道上运行。
This nebula is also home to the most massive star ever to be? Weighed? So far. This behemoth, part of a binary system called A1, is estimated to be roughly 116 times the mass of the sun.
这片星云也是多数大质量恒星的家园，目前仅有的被“称出重量”的恒星就在这一区域，这颗巨大的恒星是一个被称为A1的双星系统的一部分，它的质量大约为太阳的116倍。
This nebula is also home to the most massive star ever to be "weighed" so far. This behemoth, part of a binary system called A1, is estimated to be roughly 116 times the mass of the sun.
这片星云也是多数大质量恒星的家园，目前仅有的被“称出重量”的恒星就在这一区域，这颗巨大的恒星是一个被称为A1的双星系统的一部分，它的质量大约为太阳的116倍。
At the nebula's centre is a young binary star system that surely powers the nebula but does not, as yet, explain its colours.
星云的中心是一个年轻的双子星系，无疑提供了星云的动力，但，还没有影响它的颜色。
At the nebula's center is a young binary star system that surely powers the nebula but does not, as yet, explain its colors.
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。
It is estimated that one-third of the stars in the Milky Way are either binary or part of a multiple-star system.
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。
At that speed, HM Cancri is the fastest binary star pair ever discovered, with each White Dwarf circling the other at a speed of 310 miles per second.
双星HMCancri是迄今为止所发现的运行最快的双星，它们是一对白矮星，其中一个围绕着另一个运转的速度是每秒310英里。
Binary star systems containing a pulsar and an accretion disk occur beginning at about 14:30.
含有脉冲星和吸积盘的双星系统出现在大约1430的位置。
Spending hours going through the images taken since 2002, he and his colleagues found light variations that suggested v1309 was originally a contact binary star.
这位科学家花费了大量的时间来查阅望远镜自2002年起所拍摄到的图像，他与同事发现，从v1309所发出的亮光的变化上来看，它原属于相接双星。
But dimming can also be caused by an eclipsing binary, a pair of stars in an orbit that appears edge on as seen from Earth so that each star passes in front of the other once per cycle.
但但亮度变暗也可能是由食双星引起的，其从地球上看，两个星球出现在同一个轨道的边缘，因此每一次循环，每一个星球都会经过另一个的前方。
These binary systems consist of a neutron star orbiting around a supergiant star.
这些双星系统由一个巨星和围绕其的中子星组成。
The findings bring to light a gap in our knowledge of the formation and evolution of such binary star systems.
该发现揭示了现有关于此类双星系统形成和演化知识中的一段空隙。
A low mass X-ray binary (LMXB) is a celestial system in which a relatively normal star is being eaten alive by a nearby stellar corpse, either a neutron star or a black hole.
低质量X射线双星(LMXB)是一颗相对正常的恒星和邻近的正在对其进行蚕食的恒星“遗体”构成的天体系统，“遗体”是中子星或黑洞。
The typical situation involves a loner neutron star that comes a little too close to an ordinary binary pair.
典型的情况是，一对普通的双星旁有一颗有点太靠近的孤立中子星。
In some binary systems, astronomers have shown that there is an invisible companion star, a "partner" to the one which we can see in the sky.
在一些双星系里，天文学家已经表示这里有一颗看不到的伴星，即我们可以在天空中看到的一颗星球的伙伴。
Additionally, if the X-ray source is in a binary system, the X-rays will be periodically cut off as the source eclipsed by the companion star.
另外，如果x射线源是一个双星系统，当x射线源被它的伴星所遮挡时，发出的x射线就会周期性地被切断。
A spectroscopic binary star, 245 light-years from Earth, one of the brightest stars in the sky and the brightest star in the constellation Virgo.
一种用分光镜观察的距地球245光年双星，是天空中最亮的恒星之一，也是处女座中最亮的星星。
The symbiotic binary is a special system, consisting of a hot early type star and a cool late type supergiant with strong stellar wind, which forms an expanding envelope.
共生星双星是一颗有强大星风物质损失的红巨星与一颗早型热星组成的特殊双星系统。
Such dilemmas might be pondered one day by future humans living on a planet orbiting a cataclysmic variable binary star system.
这可能是当未来人们居住的行星，运转于一个激变星的双星系统下所需要担忧的事情。
An X-ray binary system has been formed, and the neutron star has made the crucial second step toward becoming a millisecond pulsar.
射线双星就这样形成了，于是这颗中子星就向成为毫秒脉冲星迈出了关键的第二步。
An X-ray binary system has been formed, and the neutron star has made the crucial second step toward becoming a millisecond pulsar.
射线双星就这样形成了，于是这颗中子星就向成为毫秒脉冲星迈出了关键的第二步。
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