博斯说，大多数恒星都有可能，甚至很有可能，至少有一颗类似地球的行星，他认为这是令人惊讶的。
Boss said it is possible, even likely, that most stars have at least one earth like planet, which he considers surprising.
这四个地方都有独特的熔岩通道和其他类似地球上盾状火山的流动特征。
All four show distinctive lava channels and other flow features similar to those found on shield volcanoes on Earth.
所以我们才那么努力的寻找类似地球的行星。
No wonder we're looking so hard for a planet more like Earth.
这还是一个类似地球的驿动人心的奇异组合。
It's an unsettling combination of strangeness yet similarity to Earth.
有一种传的沸沸扬扬的说法是找到一个类似地球的星球。
A term that's often kicked around is finding an Earth-analog.
古尔德说，比如一些星系只拥有类似地球的行星而没有气态巨行星。
For instance, some systems could house only Earthlike planets and no gas giants, Gould said.
没人知道，但很多科学家相信，未来必然会发现其他类似地球的行星。
No one knows, but many scientists believe that it's inevitable that other Earths will be found.
研究人员表示这种迁移可能会阻碍它们形成类似地球的行星。
The researchers say that the migration might have "disrupted the formation of Earth-like planets."
不过，就在这个三月，NASA启动了开普勒卫星去搜寻类似地球的行星。
Just this March, however, NASA launched the Kepler satellite to search for Earth-like planets.
对类似地球的太阳系外行星的磁场探测将会给探寻外星生物带来一线光明。
Detecting a magnetic field surrounding an Earth-like exoplanet would prove a promising sign for finding extraterrestrial life.
行星上深的山谷类似地球的美国大峡谷，被认为是由水冲蚀形成的。
The planet has deep valleys similar to Earth's own Grand Canyon, which are thought to have been carved by rushing water.
开普勒任务是尝试解决一个疑问，在外太空是否有类似地球的行星。
The mission is a serious attempt to answer the question whether there are other planets like ours somewhere out there.
我们现在所掌握的技术能够识别出在最小的星体中是否有类似地球的星球了。
We now have the technological capability to identify Earth-like planets around the smallest stars.
尽管困难重重，某些科学家依然认为有可能把火星改造成类似地球的星球。
Despite these difficult conditions, certain scientists believe that there is a possibility of transforming Mars into a more Earthlike planet.
这项发现也暗指内行星，或许包含类似地球的行星，可能也是普遍存在的。
This discovery carries the tantalizing implication that interior planets, possibly including Earth-like planets, might also be common.
天文学家们同时还在对数量庞大的其他恒星系中可能的类似地球环境的星体进行筛选。
Astronomers are also closing in on a possibly huge number of Earth-like worlds around other stars.
2007年八月，科学家宣布发现了恒星gd 362，可能曾经有类似地球的行星围绕其旋转。
In August 2007, scientists announced the discovery of a star which might have once had an Earth-like planet orbiting it.
同时，从火星轨道上获得的照片显示，早期星球非常类似地球，有很很多地方适合生命。
At the same time, images obtained from Mars orbit revealed the early planet to be more Earth-like, with a broad range of surface environments suitable for life.
开展这项研究是为了进一步掌握高氧环境(类似地球在古生代晚期的环境)对动物体型巨大产生的影响。
The study was constructed to provide more insight into the effects a hyperoxic environment — like the kind our planet enjoyed in the late Paleozoic — might have had on animal gigantism.
"行星猎人"预计，美国宇航局的开普勒望远镜会发现一个类似地球的行星绕着一个类似太阳的恒星。
Planet-hunters anticipate that NASA’s Kepler telescope will reveal an Earth-like planet orbiting a Sun-like star.
但是，如果有一颗类似地球的行星，同时被两个太阳照射，就像科幻小说里的那种场景，植物又会是什么样子呢？
Plants on a planet with two sunlike stars could need protection against too much radiation—they might evolve their own UV-blocking sunscreens.
任何类似地球的行星若在这样的一个区域内被发现，那根据我们所知，那里将很可能是一个生命的栖息地。
Any 'Earth' found in such a zone would be a potential habitat for life as we know it.
这意味着，即使这个星球有类似地球的卫星，它们也不可能承受得了天苑四b椭圆轨道带来的极端温度变化。
That means that, even if the planet has terrestrial moons, they likely wouldn't be able to stand the extreme temperature swings that go along with Epsilon Eridani b's eccentric orbit.
最外层行星HD 40307在“适居带”轨道上运转，在这片区域内，星球表面可能有类似地球的温度。
The outermost planet, HD 40307 g, orbits comfortably in the habitable zone, where Earth-like temperatures are possible.
在最近的美国航天学会上，Borucki解释了，开普勒将会用多久告诉我们适合居住的类似地球的行星是多还是少。
At a recent meeting of the American Astronomical Society, Borucki explained how long it will be before Kepler can tell us whether habitable, Earth-like planets are common or rare.
在最近的美国航天学会上，Borucki解释了，开普勒将会用多久告诉我们适合居住的类似地球的行星是多还是少。
At a recent meeting of the American Astronomical Society, Borucki explained how long it will be before Kepler can tell us whether habitable, Earth-like planets are common or rare.
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