作为外星生命可能生活的家园，它被认为是最不可能有生命的星球。
As a possible home for alien life, it has been voted the planet least likely to succeed.
如果早期的太阳比现在的太阳暗淡，也没有现在这么炙热的话，那么液态水就不可能在这两个星球上存在。
If the young Sun was much fainter and cooler than the Sun today, liquid water couldn't have existed on either planet.
谈到气候变化，他说道：“如果我们错失了保护我们星球的良机，我们不可能希望未来会有第二次的机会来补救。”
On climate change he said: "If we miss this opportunity to protect our planet, we cannot hope for a second chance some time in the future."
我们不可能甘心情愿永远保持无知。……因此我们生命和我们这个易碎的星球的意义只能由我们自身的智慧和勇气来决定。
We could not happily have remained ignorant forever... the significance of our lives and our fragile planet is then determined only by our own wisdom and courage.
你在图集中所见的图片许多都是不可能的场景，比如其中一幅描绘了悬于云端的城市，宛如詹姆斯·卡梅伦的潘多拉星球。
And many of the images you see in the gallery are impossible, such as that which depicts a city suspended in the clouds like the mountains of James Cameron's Pandora.
没有了火箭，我们也就不可能到达月球或者任何一个太阳系的星球。
Without the rocket, it is safe to say we would not only have never gone to the moon or visited every planet in our solar system.
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.
泰勒同时在自己MySpaceCelebrity页面上澄清了怀孕的谣言：“我今早看到了一条极富创意的谣言，说我怀孕了！”这是全星球最不可能发生的事。
Taylor also took to her MySpace Celebrity page to dispel pregnancy hearsay: "I read a very creative rumor this morning saying I'm pregnant, which is the most IMPOSSIBLE thing on the planet."
看起来不可能再找到适合人类居住的星球了。
It is unlikely that they will be able to find a suitable planet that human can live on it.
不过史密斯否定了类似的观点，坚称太阳系以外的行星和我们的星球迥然不同，即使它们适合生命生存，人类和这些生命取得联系也是不可能的。
But Smith dismissed the claims, insisting that other extra-solar planets differ starkly from our own and that even if they did support life, it would not be possible for humans to make contact.
因为我们能带到新星球的东西非常有限，一次性的消耗不可能维持很久。
Because we can bring limited things with us to the new stars, the consumable goods can not last for a long time.
因为我们能带到新星球的东西非常有限，一次性的消耗不可能维持很久。
Because we can bring limited things with us to the new stars, the consumable goods can not last for a long time.
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