light-year的例句大全

A light-year is the distance light travels in one year at a speed of 299,792 kilometers per second.

一光年是光以每秒299792公里的速度在一年中所走过的距离。

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After completing its first year of observations in the southern sky, NASA's Transiting Exoplanet Survey Satellite has spotted some intriguing new exoplanets only 31 light-years away from Earth.

美国宇航局的过境系外行星测量卫星（TESS）在完成对南半球天空的第一年观测后，发现了几颗距离地球仅31光年的有趣的新系外行星。

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While optical telescopes extend our view deep into space, to distances billions of light-years away from the eye's everyday demesne, optical microscopes turn our vision inward, taking it to deep inner space.

光学望远镜把我们的目光带向宇宙深处，比日常所见的领域还要远数十亿光年的地方。

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The Sombrero galaxy is located some 28 million light-years away.

草帽星系位于2800万光年以外。

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But without gravitational interactions with stars or interstellar gas, supermassive black holes can't get close enough to each other to go into a rapid death spiral, a situation known as the "final parsec" problem. ( A parsec is the astronomical standard of distance, 3.26 light-years.)

不过，如果没有与星体或星际气体之间的相互牵引，超大质量黑洞不能靠近到能迅速走向碰撞的地步，而这种现象被称为“最后的秒差距”问题（秒差距是天文学距离单位，1秒差距等于3.26光年）。

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Fighting gravitational clumping would take a wavelength of a few dozen light-years.

为了对抗重力造成的聚集，这些粒子的波长可能会长达好几十光年的距离

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The star with a clutch of super-Earths, 42 light-years away, was spotted by using a new instrument.

瑞士天文学家表示，这是首次在单个恒星附近发现与地球大小相近的星球。

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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。

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The biggest planet of the new batch is HD 85512 b, which is 3.6 times the mass of Earth and can be found 36 light-years away in the Vela constellation.

在这一批最新发现的行星中，最大的是HD85512b。其质量是地球的3.6倍，离船帆座36光年远。

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When Einstein announced his general theory of relativity in 1916, astronomers had little conception of distances beyond a few thousand light-years.

当爱因斯坦在1916年发表广义相对论时，天文学家们对于大于几千光年的距离还没有什么概念。

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Kepler-186f is an exoplanet orbiting the star Kepler-186 about 500 light-years from Earth. Discovered in 2014, it is the first Earth-size exoplanet found to be orbiting in its star's habitable zone.

开普勒-186f距离地球约500光年，是一颗围绕开普勒-186运行的太阳系外行星。开普勒-186f于2014年被发现，是首颗在恒星的宜居带内被发现的类地系外行星。

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People in the Northern Hemisphere can see the Andromeda Galaxy, which is about 2 million light-years away.

北半球的人可以看到仙女座星系，离我们约有200万光年。

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Regard Hubble's law as the prerequisite, the observation fact of some astrophysics, in order to accord with, have described the part the past and future of about 20 billion light-years of universe of us, have introduced the universe theory of the large explosion briefly.

以哈勃定律为前提，一些天体物理学的观测事实为依据，描述了我们这部分约200亿光年的宇宙的过去及未来，简要介绍了大爆炸宇宙理论。

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The newfound system includes two black holes orbiting each other very closely, about 450 light-years apart, with a third black hole a bit farther out.

这三个黑洞中，有两个相距450光年的黑洞绕着彼此做旋转运动，另外一个则离这两个距离较远。

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The star is located 20 light-years from Earth in the constellation Libra. Red dwarf stars are about 50 times dimmer than our sun.

而红矮星Gliese581位于天秤星座，距离地球20光年，大约比太阳昏暗50倍。

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in 2005 astronomers reported an extraordinarily fast-moving star some 200, 000 light-years from the galactic center.

2005年，天文学家报告，距银河系中心约二十万光年处，有一颗恒星在以非常快的速度移动。

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the black hole, named h1742-322, sits near the galactic center, approximately 28, 000 light-years from earth in the constellation scorpius.

该黑洞名为H1742-322，接近银河系中心，位于天蝎座，离地球有28,000光年之远。

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the new planet, called kepler 10-b, orbits a sun-like star 560 light-years away.

这个新的星体被命名为：Kepler10-b，它围绕着一个距离560光年类似太阳的恒星运转。

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tenth, we see a fragment of the trifid nebula, a stellar cradle to 9000 light-years.

第十，我们看到一个片段的三裂星云的恒星摇篮到9000光年。

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At 1500 light-years away from Earth, this star was discovered by Yale astronomer Tabetha Boyajian and noted for its peculiar behavior.

耶鲁大学天文学家塔贝莎·博雅健发现了这颗距离地球1500光年的恒星，它以奇特而著称。

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