Full employment still seems light years away.
充分就业好像依然是遥遥无期。
The nearest star to earth is about 4 light years away.
地球离最近的恒星大约为4光年。
It can see objects about 13.7 billion light years away.
它可以看到137亿光年以外的物体。
That means that our nearest neighbours are perhaps 100 light years away, which is almost next door in astronomical terms.
那意味着我们最近的邻居星球离我们大约有100光年远，从天文学的角度来说，这几乎是一墙之隔。
The stars being searched are hundreds of light years away, so it takes hundreds of years for their signal to reach us, and a further few hundred years for our reply to reach them.
被搜寻的星星离我们有几百光年远，所以它们的信号传到我们这里需要几百年，而我们的答复传到它们那里又需要几百年。
Now we have images of galaxies millions of light years away from Earth.
我们已经可以得到距离地球百万光年之外星系的照片了。
The planet, roughly the size of Jupiter, is around 750 light years away.
TrES - 2 b基本如木星一般大小，距离地球大约750光年。
Chandra detects and images X-ray sources that are billions of light years away.
钱德拉能检测和成像数十亿光年之遥的X射线源。
The system is just nine light years away, a mere stone's throw in astronomical terms.
这个系统与我们只有9光年的距离，在天文学范畴内就是咫尺之遥。
This planet is orbiting a star in the Pegasus constellation some 50 light years away.
这颗行星围绕着一颗距我们约五十光年的人马座恒星运转。
Epsilon Eridani b orbits an orange Sun-like star only 10.5 light years away from Earth.
EpsilonEridanib围绕着一颗橘红色类似太阳的恒星运行，它距离地球只有10.5光年。
The next-closest known star to the Sun is Proxima Centauri, located 4.2 light years away.
距太阳第二近的恒星是比邻星，距离为4.2光年。
A classic dark nebula, the Snake is a tendril of interstellar gas and dust about 650 light years away.
在经典黑暗星云中，蛇是星际气体和尘埃组成的卷须，长约650光年。
It will also gather information from cosmic radiation sources on stars and galaxies millions of light years away.
它将收集数百万光年外的恒星、星系等宇宙射线源的信息。
The Snake Nebula, silhouetted against ancient stars massed near the nucleus of our galaxy, which is about 25, 000 light years away.
蛇形星云，它的轮廓与聚集在我们星系中心的古老恒星逆向，约25,000光年远。
It came from the direction of Sagittarius; the nearest star in that direction is 220 light-years away.
它来自射手座的方向；那个方向最近的恒星距离220光年。
It would seem sensible to seek the source of these in the universe's most conspicuous energy factories: quasars and gamma-ray bursts billions of light-years away from Earth.
在宇宙中最引人注目的能量工厂——距离地球数十亿光年的类星体和伽马射线爆发——中寻找这些物质的来源似乎是明智的。
They used it to detect methane in the atmosphere of a planet nearly 63 light-years away.
利用这项技术，他们测出距地球约63光年的一颗行星大气中含有甲烷。
Located 54 light-years away, the exoplanet is yet another member of the super-Earth club [source: NASA].
这颗系外行星位于54光年以外，是“超级地球俱乐部”的又一个成员[来源: NASA]。
Indeed, something similar may have happened in a solar system just 50 light-years away.
的确，就在50光年之外的一个恒星系统中，可能发生过类似的情况。
It orbits a red dwarf star about 28, 000 light-years away, making it the most distant exoplanet currently known.
它围绕着一颗距地球28,000光年远的红矮星运行，这使它成为目前已知的最远的外行星。
Featured in this sharp telescopic image, globular star cluster Omega Centauri (NGC 5139) is some 15, 000 light-years away.
这幅高清望远镜图像显示的是距地15 000光年的半人马座欧米伽球状星团（NGC 5139）。
The planet is one of three extrasolar planets orbiting the young star HR 8799, which lies 130 light-years away.
这个行星是绕着年轻恒星HR 8799运行的三个系外行星中的一员，这个恒星距离地球130光年。
Such encounters between dwarf galaxies are normally seen billions of light-years away and therefore occurred billions of years ago.
矮星系之间的如此遭遇通常发生在几十亿光年之外，也就是几十亿年之前。
The trio of planets orbit a star slightly less massive than our Sun, 42 light-years away towards the southern Doradus and Pictor constellations.
这三颗行星围绕着一颗略小于偶们的太阳的恒星转动，而这颗恒星距南剑鱼座和绘架座星群有42光年之遥。
The nearest star to our own is Proxima Centuari and it lays just over 4 light-years away.
离太阳最近的恒心是半人马座（即比邻星），它与太阳相距4光年。
Like the imaginary Star Wars world Tatooine, a new planet found 200 light-years away has two SUNS, astronomers announced today.
像虚构的星球大战中的行星塔图一样，发现了在200光年外的一个新行星，它有着两个太阳，天文学家今天宣布。
For comparison, the closest star to the Sun is over 4 light-years away.
对比一下，离太阳最近的恒星也在4光年之外。
For comparison, the closest star to the Sun is over 4 light-years away.
对比一下，离太阳最近的恒星也在4光年之外。
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