Venus has long been held up as a cautionary tale for everything that could go wrong on a planet like earth.
长期以来，金星一直被认为是一个警示故事，告诉我们在像地球这样的行星上，任何事情都可能出错。
Since the lifetime of a planet like ours is several billion years, we can expect that, if other civilisations do survive in our galaxy, their ages will range from zero to several billion years.
由于我们这样的行星的寿命是几十亿年，我们可以预测，如果我们星系中有其他生物生存，它们的年龄将从零到几十亿岁不等。
At most, it would become a super hothouse planet like Venus?
最多，它也就是变成像金星一样的超级温室行星。
Generally, the best time to observe an outer planet like Jupiter is when the planet is retrograding.
一般来说，像观察木星一类外太空行星的最佳时间就是行星在逆行的时候。
On a planet like that, on the outer edge, you will have reservoirs of life, and there will be habitats that will persist.
在这样一个位于（太阳系可居住区）外缘的星球上，才能保有生命之水，才能维持栖息地。
Low-pressure areas are free to chase one another eastward around the bottom of the planet like a howling dog in pursuit of its tail.
低气压地区一个个都朝东方向围绕着地球底部偏转，就像一只嗥叫的狗在追咬自己的尾巴。
In the relatively new science of planet hunting, no find is more prized than finding a planet like ours, one that could support life.
在行星搜寻这门新兴的科学中，如果能找到像我们地球一样能孕育生命的行星，那将是最大的发现。
Low-pressure areas are free to chase one another eastward around the bottom of the planet like a howling dog in pursuit of its tail.
低压气团环绕这个星球的底部径自一路向东，它们互相追赶，狂躁如狗类在追击自己尾巴。
Though the researchers have no direct proof that the new planet is rocky, its mass means it is not a giant gas planet like Jupiter, they said.
尽管目前研究人员还没有直接证据证明这是一颗岩状行星，但是他们宣称，这颗行星的质量表明，它并不是一颗类似木星的巨大气体行星。
That's not to say that Alpha Centauri doesn't have a habitable world of some kind—it would just have to be a planet like our own, rather than a moon.
但这并不代表半人马座阿尔法星不具有某种适宜居住的环境——它最好是类似于我们地球的行星，而不是卫星。
Many people credit a lot of the birth of the environmental movement to our seeing the planet like this for the first time, its smallness, its fragility.
很多人都把环保运动的开始，归功于人们第一次见到这样的地球，它那么小，那么脆弱。
And we may have to wait a very long time for a planet like Earth to orbit its star twice: Alien astronomers would have to wait two years to observe our planet transiting the sun twice.
而且，我们可能需要等待一个很长的时间才能等到一个类地行星第二次围绕它的恒星作轨道运行：外星系的天文学家们要花两年的时间才能看到两次我们的地球绕太阳运行。
'Whilst of course it doesn't threaten the existence of the planet like climate change, I think the quality of our existence is threatened -and the kind of people we might be in the future.'
这当然不会像气候变化那样威胁地球的生存，但我想这威胁到了人类的生活质量，以及人类的未来。
Whilst of course it doesn't threaten the existence of the planet like climate change. I think the quality of our existence is threatened and the kind of people we might be in the future.
这当然不会像气候变化那样威胁地球的生存，但我想这威胁到了人类的生活质量，以及人类的未来。
Whilst of course it doesn't threaten the existence of the planet like climate change, I think the quality of our existence is threatened - and the kind of people we might be in the future.
这当然不会像气候变化那样威胁地球的生存，但我想这威胁到了人类的生活质量，以及人类的未来。
'Whilst of course it doesn't threaten the existence of the planet like climate change, I think the quality of our existence is threatened - and the kind of people we might be in the future.'
这当然不会像气候变化那样威胁地球的生存，但我想这威胁到了人类的生活质量，以及人类的未来。
The space elevator is exactly what its name says it is: a long cable anchored at one end to the ground and at the other end high in space, protruding from the planet like a spoke in a rotating orange.
顾名思义，太空升降梯是一根很长的电缆固定在地面的一端，另一端高高地延伸到太空中，就像一条从旋转的橙子中伸出的辐条那样伸出地球。
Like how Jupiter is the biggest planet and how Jupiter was the name of the King of the gods in Roman mythology, right?
就像木星是最大的行星而木星（朱庇特）又是罗马神话中众神之王的名字，对吧？
Boss said it is possible, even likely, that most stars have at least one earth like planet, which he considers surprising.
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。
Like humans, killer whales have colonized a range of different habitats across the globe, occupying every ocean basin on the planet, with an empire that extends from pole to pole.
像人类一样，虎鲸也在全球范围内开拓了一系列不同的栖息地，占据了地球上的每一个海洋流域，拥有一个从一极延伸到另一极的帝国。
It will nevertheless resemble us in that it should communicate with its fellows, be interested in the Universe, live on a planet orbiting a star like our Sun.
但是它仍然与我们相似，因为它应该也与它的同伴交流，对宇宙感兴趣，生活在一个行星上，这个行星也绕着像是太阳一样的恒星运转。
The sense of an extraterrestrial experience is heightened by a line of yellow lights twinkling on the horizon, like a lone settlement on a hostile planet.
地平线上有黄色的光线在闪烁加深了在外星上的感觉，就像是一个充满敌意的星球上的一个孤独的定居点。
Our galaxy is so huge that dozens of lesser galaxies scamper about it, like moons orbiting a giant planet.
我们的银河系实在庞大，吸引着数十个较小的星系环绕着它奔跑，恰似环绕巨大行星旋转的卫星。
That may sound like a description of every teenager on the planet.
这听起来可能像是对这个星球上每个青少年的描述。
That may sound like a description of every teenager on the planet.
这听起来可能像是对这个星球上每个青少年的描述。
应用推荐