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[自然百科] 探索世界奥秘之Life in the Freezer&nbs
I am at the very center of the great white continent, Antarctica. The South Pole is about half a mile away. For a thousand miles, in all directions, there is nothing but ice. And, in the whole of thi2008-08-30 编辑：echo
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[自然百科] 探索世界奥秘之Alien Neighbors (寻访外星人)
"...what's more, You can start to say perhaps what the planet's made of, and you can follow it in its orbit. You can understand it in much more detail." In the future, the revamp..2008-08-30 编辑：echo
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[自然百科] 探索世界奥秘之Alien Neighbors (寻访外星人)
"Well, the way we look for planets is actually very easy. We can't see the planets orbiting other stars because the glare of the star is just simply too great. It wipes out the planets..2008-08-23 编辑：echo
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[自然百科] 探索世界奥秘之Alien Neighbors (寻访外星人)
How likely that technology will destroy those who invented it? The Drake Equation doesn’t exactly narrow the field. Depending on the variables, the number of intelligent civilizations could be zero2008-08-23 编辑：echo
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[自然百科] 探索世界奥秘之Alien Neighbors (寻访外星人)
We have reasons to suspect, based on recent high resolution photography of the surface, that there may be a subsurface ocean there. And where we find water and where we find the right mix of organics2008-08-23 编辑：echo
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[自然百科] 探索世界奥秘之Alien Neighbors (寻访外星人)
…cold conditions that earth has to offer. Professor Freeman believes these rugged microorganisms are probably capable of surviving on Mars. Mars is certainly our best bet for finding life in the inn2008-08-22 编辑：echo
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[自然百科] 探索世界奥秘之Alien Neighbors (寻访外星人)
He wears gloves and cleans his tools with alcohol to avoid contaminating the ancient salt samples with modern microorganisms. "The salt round about us was crystallized out 260 million years ago..2008-08-22 编辑：echo
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[自然百科] 探索世界奥秘之Alien Neighbors (寻访外星人)
(NASA Administrator Dan) Golden accepts that the search for life on Mars is not over."If we wanna find out what Mars is like, what its weather patterns are like, what its geology is like, where..2008-08-22 编辑：echo
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[自然百科] 探索世界奥秘之Alien Neighbors (寻访外星人)
“And so with Magellan we’ve got the first chance, one of the first chances, ok, to really get a complete map and view of it.”The Venusian landscape has a desert-like appearance, but it’s a good d2008-08-21 编辑：echo
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