Astronomers have detected an asteroid not far from Earth, moving in the same orbit around the Sun.
天文学家在距离地球不远处发现一颗小行星，它与地球在同一轨道上围绕太阳运行。
The trip from Earth by "Philae" had taken ten years! The scientists had no idea what the surface of the comet would be like.
“菲莱”号从地球出发的旅行已经花了十年的时间！科学家们不知道彗星的表面会是什么样子。
Pluto is not included in either category, because its great distance from Earth and its small size make this planet's true nature a mystery.
冥王星不属于这两类，因为它离地球太远，体积又小，使得它的真正性质成为一个谜。
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。
As the probe is 320 million km away from Earth, there is a signal delay of over 10 minutes if the research team tries to control it from Earth.
由于探测器距地球3.2亿公里，如果研究小组在地球上控制探测器，会有10分钟以上的信号延迟。
What we are seeing from earth is actually electromagnetic radiation that's coming from stars.
我们在地球上看到的其实是来自恒星的电磁辐射。
The first is a pair of planets, each about the mass of Jupiter, that whirl around their home star 15 light years from Earth in perfect lockstep.
第一个是一对质量与木星差不多的行星，这对行星步调一致地围绕距离地球15光年的母恒星旋转。
MACS 1206 lies 4.5 billion light-years from Earth.
1206号卫星距地球有45亿光年远。
The Boomerang Nebula resides 5, 000 light-years from Earth.
(半人马座距离太阳约4光年)回旋标星云距离地球5000光年。
Gliese 581 is a red dwarf star 20.5 light-years from Earth.
格利泽581是一颗红矮星距离地球20.5光年。
Viewed from Earth, planets transit their stars only about 1% the time.
从地球看去，行星的凌日的情况约为百分之一。
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。
Satellites can be temporarily blinded with lasers fired from earth.
卫星遇到地球上发射的激光，会暂时失明。
To paraphrase Robert Kagan, humans are from Earth, and zombies are from hell.
按照罗伯特·卡根(Robert Kagan)的话来说就是：人类源于地球，而活僵尸来自地狱。
For comparison, the distance from Earth to Moon is said to be just 363 104 km.
作为比较，地球到月球的距离恰好为363104公里。
Their annihilation in the Sun would produce energetic neutrinos detectable from Earth.
它们在太阳中的湮灭将产生高能的，从地球上可测的中微子。
Sharpless 140 lies almost 3, 000 light-years from Earth in the constellation Cepheus.
Sharpless 140距离地球约3000光年，位于仙王星座内。
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 planet orbits a dim red dwarf star 20 light years from Earth called Gliese 581.
这颗行星所绕行的是一颗暗淡的红矮星，距地球20光年远，名为Gliese 581。
The galaxy cluster is a billion light years further from earth than any other discovered
这个星系团距地球比以往发现的所有星系都要远十亿光年。
Voyager 1, which took these pictures, is now 17, 216, 49, 1000 kilometres from Earth.
拍摄这些照片的“旅行者1号”如今在距地球17,216,49,1000公里的地方。
But that gas escapes from Earth into space shortly after the gas's formation, Shull said.
但这些气体产生后立刻就逃离地球进入太空了。
Such meteorites look like igneous rocks from earth-hence the belief that Vesta has a mantle.
这些地球上的陨石看上去像火成岩- - -因此相信灶神星有个地幔。
These are the moments when, viewed from Earth, the hypothetical planet would cross the solar disc.
这些时刻，从地球上看，那颗假定的行星会穿过日轮。
Arp 273 lies in the constellation Andromeda, roughly 300 million light-years away from Earth.
Arp 273位于仙女座，距地球大约3亿光年。
It's dangerous to want to get away from earth awhile, to get your feet entirely off the ground.
想要逃离地面一会，让自己的双脚同时离开地面很危险。
It is 128 light years from Earth, and is just visible to the naked eye in the constellation of Pegasus.
它距地球128光年，在飞马座中刚好能被肉眼可见。
We already know that the Moon is moving farther away from Earth but other changes are happening as well.
我们已经知道，月球正在远离地球，但其他变化也正在发生。
This also could mean that the great impact that separated the moon from Earth happened more recently too.
这也可能意味着有很大影响的月地分离过程的发生离我们更近。
This also could mean that the great impact that separated the moon from Earth happened more recently too.
这也可能意味着有很大影响的月地分离过程的发生离我们更近。
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