First, a climate conducive to life on Earth depends upon the extraordinarily narrow orbital parameters that define a continuously habitable zone where water can exist in a liquid state.
首先，地球上适宜生命存在的气候取决于极其狭窄的轨道参数，这些参数定义了一个持续可居住的地带，在那里水可以以液态存在。
About $70,000 buys a habitable house.
大约七万美元才买得到一栋适合居住的房子。
Making the house habitable was a major undertaking.
把这房子收拾得可以住人是个大工程。
The first habitable exoplanet?
人类发现了第一个宜居外星球？
We are finding Earth-size planets. Not in the habitable zone.
我们正在搜索不在适居带的地球般大小的行星。
It's definitely not a gas giant like Jupiter. Nor is it habitable—it's too hot.
它肯定不是像木星一样的巨型气体行星，也不适宜人类居住——那太热了。
We are looking for planets and finding a few big planets in the habitable zone.
我们也正在寻找并试图找到适居带内的一些大行星。
By last September, some 92% of the damaged houses had been made habitable again.
到去年9月，92%的受损房屋已经重新恢复使用。
For habitable planets orbiting brighter, hotter stars, the search will take longer.
对于寻找适合居住的绕着更亮，更热的恒星转的行星，将会搜寻更长时间。
The other newfound planet, Gliese 581f, is outside the habitable zone, researchers said.
研究人员称，另一颗新发现的行星是Gliese 581f，位于适宜居住区域之外。
The habitable zones of the cosmos are vast, it seems, and they may be teeming with life.
宇宙中的宜居地带似乎非常辽阔，宇宙中可能充满了生命。
Scientists hope that Kepler could find dozens of habitable planets during its three-to-four-year mission.
科学家们希望开普勒在其为期3至4年的使命中，能找到几十个适合居住的行星。
Massive stars give, but they also take away-and that puts the inner limit on the galactic habitable zone.
大质量恒星有所予，但它们同样有所取，这便给银河系中的“宜居地带”造成了另外的限制。
The species is the most widely distributed of all beasts of prey, infesting all habitable parts of the globe.
在所有猛兽中，这个物种的分布最广——它们出没于全世界一切可以居住的地方。
If the planet is on the cooler edge of the habitable zone, it could go through cycles of freezing and thawing.
如果行星处于可居住区的更冷(外)端，它或许会进入冰冻和解冻周期。
We are certain that it is in the habitable zone and if it has a surface it ought to have a nice temperature.
我们确定该行星位于宜居区域内，如果这一行星有地表的话，温度会很适中。
They created a self-sustaining and self-reproducing ecosystem in order to make Ascension Island more habitable.
他们创造了一个自我维系和自我繁殖的生态系统，让阿森松岛更适合人类居住。
The violent tremors left few buildings habitable and prompted a tsunami that surged up to 40 ft. (12 m.) high.
地震过后几乎没有建筑保持完好，并引发了海浪高达40英尺(12米)的海啸。
That's the area where scientists believe water could exist, in liquid form, making a planet potentially habitable.
科学家们相信，在这片区域中，水可以液态形式存在，这使得一个行星可能适于人类居住。
While some astronomers still think planet d may be habitable if it has a thick atmosphere, others are skeptical.
一些天文学家认为行星d也可宜居因其拥有浓密的大气圈，其他人对此持怀疑态度。
Yet the importance of plants' ability to store carbon in making the planet habitable is still not widely appreciated.
然而直到今天，还有许多人不能体会到植物贮藏二氧化碳从而使地球适合人类居住的重要功能。
Some of them will likely be in the so-called habitable zone, where the temperatures are just right for liquid water.
其中的一些将很可能就是通常所说的可居住地带，那里的温度正好适合于液态水的生成。
It is an inverted pyramid with a central void to allow all habitable Spaces to enjoy natural lighting and ventilation.
大楼设计为倒金字塔型，采用中空结构，所有居住空间都可享受自然照明和通风。
Experts report that there are already more than 700 exoplanets discovered, but only a few are in the habitable zone.
专家们说目前发现的700多颗外部行星中，只有少部分位于宜居带当中。
Scientists were surprised by the discovery because Gliese 581d was previously ruled out as a habitable planet candidate.
科学家们对于这项发现感到非常意外，因为在此前格利泽 581d一直被排除在适宜居住的星球之外。
Astronomers may have to consider the whole family of exoplanets in a system before determining if one is habitable or not.
天文学家可能需要重新考虑系外行星在其星系内的全部成员，然后才能确定该行星是否可居住。
Melott's hypothesis about mass extinctions shows how habitable zones may be measured not just in space but also in time.
Melott有关大灭绝的假想表明“宜居地带”不能只在空间上衡量，还得包括时间。
Barnes’ simulations predicted more-dire consequences for extrasolar planets near the edge of their habitable zones, though.
然而，巴恩斯所作的模拟预测出处于可居住区边缘的系外行星更为可怕的后果。
NASA's Kepler mission's principal investigator, Bill Borucki, talks about the search for exoplanets that might be habitable.
美国国家航空航天局开普勒计划的首席调查员，Bill Borucki，谈寻找可能适合居住系外行星。
And the question of age becomes pretty important as astronomers seek out potentially habitable planets orbiting distant stars.
当天文学家在找出遥远群星中有潜在可居住性的行星时，星体的年龄问题则变得相当重要。
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