The rover should have at least one Martian year, to roam the planet, during which time it will collect, grind and analyze around 70 samples of rock and soil.

流浪者至少要待一个火星年，去漫步这个星球，在这期间，它将收集、研磨和分析大约70个岩石和土壤样本。

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A short time later,John Carter, the Princess and their friend, the green Martian woman Sola, attempt to escape rather than face death.

VOA: special.2010.07.31

"We've seen evidence for this water ice before in observations by the Mars Odyssey orbiter and in disappearing chunks observed by Phoenix last month, but this is the first time Martian water has been touched and tasted, " he said.

CNN: Lander grabs Mars water, will see if it's life-supporting

But it dates back to a time in Martian history that scientists know very little about.

FORBES: Meteorite Shows Evidence Of Water On Ancient Mars

The outcome of that rethink was a bid by the University of Arizona to take the mothballed lander, refit it, and have another go at visiting a martian pole (this time the northern one).

ECONOMIST: Space exploration