The idea of looking for transplanted life stemmed from studies of meteorites from Mars that landed on Earth.

寻找被移植的生命体的想法源于对落在地球上的火星陨石的研究。

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The price of bringing something to Mars that could terraform it would cost billions, possibly even trillions.

将火星地球化的材料带到火星就得花费上数十亿，甚至几万亿的钞票了。

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The next Mars rover mission, scheduled for launch in November, will be looking for other places on Mars that might be even more hospitable to life.

下一个火星车计划在11月发射，将对火星上其它可能更适宜生命生存的地区进行探索。

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He found notes that described markings on Mars that Mister Schiaparelli called "canali" Mister Lowell came to believe that intelligent life created the markings on Mars.

VOA: special.2010.07.11

And Mars has this sort of human, flabby torso that's not-- it's sympathetic, but it's a different portrayal of war.

马尔斯看起来像一个普通人,略微虚胖,这一点让人同情,但这是对战争的不同描写

耶鲁公开课 - 欧洲文明课程节选

"It has so much capability, so much more capability than any other vehicle, that I think we can start to contemplate missions like a Mars sample return, which requires a tremendous amount of lift capability because you've got to send a lander to Mars that still has enough propellant to return to Earth."

VOA: special.2011.04.11

So there is a tremendous database about Mars that we're still exploring, we're still mining.

NPR: Revisiting the Viking Missions to Mars

Astrobiological researchers have discovered significant regions below the surface of Mars that could be habitable for Earth-based life.

FORBES: Parts Of Mars May Be Habitable For Earth-Based Life

We may discover resources on the moon or Mars that will boggle the imagination, that will test our limits to dream.

CNN: Bush: 'It is time for America to take the next steps' in space