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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Researchers studying a 4.5 billion-year-old Martianmeteorite have found evidence that 25 percent of themagnetic material in it was produced by bacteria from Mars.Ever since the meteorite was recently rediscovered, therehas been a controversy about whether the markings on thesurface are the remains of Martian bacteria.
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Scientists who claim there could never have been life on Mars have always pointed out that liquid water is needed for sophisticated life forms to exist. Even when it was discovered that water is trapped on Mars underground or in ice, the skeptics said only bacteria could survive such conditions. Now new images of the planet reveal Ma’adim Vallis, one of the biggest valleys on Mars, was formed when a large lake overflowed. If there was once enough water on Mars for a gigantic flood?where is it all now?
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