Russian scientists think a tough microbe that can withstand huge doses of radiation must have come from Mars, since it wouldn’t have had time to develop this ability here on Earth. On Mars, however, the bugs could have received the necessary dose in just a few hundred thousand years, because radiation levels there are much higher. The bugs would then have traveled to Earth on meteorites.
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If privately funded excursions to Mars become common, the planet could become the new lawless frontier, as adventurers stake claims to land and minerals before official government expeditions arrive. This is bound to happen if the current trend continues. Governments are trying to avoid putting money into space exploration and private business is picking up the slack.

“If they were governmental or international (expeditions)?restraint might be feasible,” says Sir Martin Rees of the Institute of Astronomy. “On the other hand, if the explorers were privately funded adventurers of free-enterprise, even anarchic disposition, the Wild West model would be more likely to prevail.”
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Since the Mariner 9 spacecraft went into orbit around Mars in 1972, satellites have taken photos of strange anomalies like the “Face” there, and most scientists agree, after looking at recent satellite images, that there are signs of primitive life on that planet. But no one has ever seen the “canals” on Mars, that were seen by the astronomer Percival Lowell in the early 1900’s. Sky & Telescope magazine has finally figured out why.
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Microbes may be able to survive on Mars. This means that life could have existed there in the past, and may be there today, hidden under a crust of ice. While microbes aren’t as exciting as discovering a Martian civilization, it does mean that microbes could have traveled on a meteorite from Mars to Earth, seeding life here?meaning we are actually Martians. It could also mean that higher forms of life may have existed on the planet in the distant past and we may be able to eventually find some artifacts from Mars’ distant past.
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