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An Observational History of Mars: From Aristotle to Percival Lowell to NASA Unmanned Missions and ALH84001. ... However data prove Mars was warmer and had abundant liquid water in its early history.
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www.umich.edu/~lowbrows/reflections/2001/dsnyder.7.html
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; This is an image of Mars. Click on image for full size version (40K GIF); Image from: NASA ... Mars is small. Mars is about 1/3 the size of the Earth. This means that it cooled off very fast. ... What is the cooling history of the Earth?
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www.windows.ucar.edu/tour/link=/mars/interior/Mars_ther...
www.windows.ucar.edu/tour/link=/mars/interior/Mars_thermal_history.html
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Orbit of Mars ... History of Mars ... The history of Mars has been divided in epochs:
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www.cosmicelk.net/Mars.htm
www.cosmicelk.net/Mars.htm
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Mars Apparition 2009/2010 ... Mars Missions ... The Planet Mars: A History of Observation and Discovery, by William Sheehan. Online book, University of Arizona Press. Mars Oppositions 1901-2035...
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www.seds.org/~spider/mars/mars.html
www.seds.org/~spider/mars/mars.html
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In August 1996 a team of scientists from NASA and Stanford University announced that they had found possible evidence of primitve life that once existed on Mars. Was this announcement the scientific discovery of the century, or will this discovery become the astronomical equivalent of the cold fusion controversy?
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www.seds.org/archive/spaceviews/hotnews/mars.html
www.seds.org/archive/spaceviews/hotnews/mars.html
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Welcome to Mars! Featuring Mars Pathfinder, Martian History, Life on Mars, Terraforming, Understanding Orbital Images, Interview with a Mars Rock, and more, from the American Museum of Natural History in New York. ... Mars offerings at AMNH ... American Museum of Natural History...
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www.amnh.org/mars/
www.amnh.org/mars/
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The History of Mars Exploration ... For hundreds of years our observations of Mars were restricted by the vast distance separating Earth from the red planet. ... The earth-based observations of Mars paved the way for spacecraft exploration of the planet. So many questions had been raised about Mars and there were so few...
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nssdc.gsfc.nasa.gov/planetary/mars/marshist.html
nssdc.gsfc.nasa.gov/planetary/mars/marshist.html
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Mars Exploration - History and possible future crewed missions ... On Mars - A History of the Viking Mission ... The Difficult Road to Mars - History of Soviet Mars Missions (PDF file)
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nssdc.gsfc.nasa.gov/planetary/planets/marspage.html
nssdc.gsfc.nasa.gov/planetary/planets/marspage.html
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