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Last updated on April 17, 2014 at 5:43 EDT
Old Spirit Data Points To New Evidence Of Ancient Water In

Old Spirit Data Points To New Evidence Of Ancient Water In Mars Crater

Lawrence LeBlond for redOrbit.com - Your Universe Online The hunt for a confirmed source of ancient water on the Red Planet may be over (or just beginning), at least for one group of scientists. Mars scientists looking at old data provided by...

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Mars May Have Had Oxygen Atmosphere Four Billion Years Ago
2013-06-19 19:49:24

Lee Rannals for redOrbit.com — Your Universe Online Oxford University scientists reported in the journal Nature that Mars may have had an oxygen-rich atmosphere four billion years ago. The team examined differences between Martian meteorites and surface rocks examined by NASA's Spirit rover in the Gusev crater on Mars. Surface rocks are five times richer in nickel than the meteorites, which created some mystery for scientists as to whether the meteorites are typical volcanic...