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In the minds of men, Mars has been changing throughout the ages, as the capability of scientific instruments advanced. When ground-based telescopes gave way to visiting spacecraft, the myth of intelligent beings on Mars disappeared, and new mysteries evolved.

As the most Earth-like planet, Mars has held special interest, in that it is the most likely place in the Solar System that could have supported at least primitive life. So leaving aside little green men, or H.G. Wells\' depressing creatures in The War of the Worlds, the question is posed: \"Was there life on Mars?\"

Even with the discovery over the past decade of the flourishing of life in extreme environments on Earth, the presence of liquid water remains a prerequisite. So to answer this most profound question, the current space missions have been designed to search for evidence of water on Mars.

There have been many hints, and more recently, evidence that is almost irrefutable, that water existed on the surface of......

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Approximate Word Count: 2204
Approximate Pages: 9 (250 words per double-spaced page)

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