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CNN News:科学家称搜寻外星生命 关键在水源

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2015年08月19日

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Alright. Alien life makes for a great headline. To be clear, humans haven`t found out. Scientists with the National Aeronautics and Space Administration believe finding water is key to finding signs of alien life since water harbors so many forms of life on earth. As they scour the solar system for water, they`re optimistic of finding life in really tiny forms in the years ahead.

对的!外星生命占据了头条。但需要明确指出的是,目前人类还没有发现外星生命。美国宇航局的科学家认为,寻找水源是找到外星生命迹象的关键。因为水孕育了地球上各种各样的生命。所以科学家们在太阳系中寻找水源,要在未来的几年发现各种小的生命形式,他们对此呈乐观态度。

UNIDENTIFIED FEMALE: Discovering alien life. It`s the holy grail of space exploration. Well, NASA`s chief scientist Ellen Stofan says that such a finding is not that far off. She expects that we`ll find indications of life within the next decade and definitive evidence within the next 30 years.

女:发现外星生命。这是探索太空神圣而梦寐以求的。美国宇航局首席科学家Ellen Stofan说,完成这一发现,距离并不遥远。她称,我们会在未来十年里发现生命的迹象,在未来三十年里找到证据证实生命的存在。

UNIDENTIFIED FEMALE: Within all of our lifetime, though, we`re going to understand that there`s life on other bodies in the solar system.

女:尽管穷其一生,我们要知道太阳系的其他星体上有生命存在。

We`re on the verge of things that people have wondered about for millennia. Are we alone?

我们正在靠近千年以来人们都在好奇的问题的答案。我们是孤独的吗?

UNIDENTIFIED FEMALE: Why the burst of optimism? Water. Water is a key ingredient in life as we know it and scientists say if you find water, your odds of finding life go up. And it turns out our galaxy is a soggy place.

女:为什么会乐观感爆棚呢?水!自从我们知道水以来,它都是生命的重要组成成分。同时科学家称,只要找到水,我们发现生命的几率就会上升。而且证明我们的星系到处都是水。

Outside of our solar system, astronomers think there may be many worlds covered by deep oceans.

天文学家认为,在太阳系以外,可能会有其他的星体被海洋所覆盖。

So NASA says our galaxy and our solar system are awash in water and it`s just a matter of time until we find life on another planet. But don`t expect little green men.

所以,美国宇航局称我们的星系和太阳系到处都是水,所以在其他的行星上找到生命只是时间的问题。但是千万别期望会找到小绿人啊~!

UNIDENTIFIED FEMALE: NASA says expect little green microbes.

女:美国宇航局称应该期望会找到绿色的小生物。


Alright. Alien life makes for a great headline. To be clear, humans haven`t found out. Scientists with the National Aeronautics and Space Administration believe finding water is key to finding signs of alien life since water harbors so many forms of life on earth. As they scour the solar system for water, they`re optimistic of finding life in really tiny forms in the years ahead.

UNIDENTIFIED FEMALE: Discovering alien life. It`s the holy grail of space exploration. Well, NASA`s chief scientist Ellen Stofan says that such a finding is not that far off. She expects that we`ll find indications of life within the next decade and definitive evidence within the next 30 years.

UNIDENTIFIED FEMALE: Within all of our lifetime, though, we`re going to understand that there`s life on other bodies in the solar system.

We`re on the verge of things that people have wondered about for millennia. Are we alone?

UNIDENTIFIED FEMALE: Why the burst of optimism? Water. Water is a key ingredient in life as we know it and scientists say if you find water, your odds of finding life go up. And it turns out our galaxy is a soggy place.

Outside of our solar system, astronomers think there may be many worlds covered by deep oceans.

So NASA says our galaxy and our solar system are awash in water and it`s just a matter of time until we find life on another planet. But don`t expect little green men.

UNIDENTIFIED FEMALE: NASA says expect little green microbes.

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