Wednesday 19 June 2013

Mars Had an Oxygen-Rich Atmosphere 4 Billion Years Ago

Mars Had an Oxygen-Rich Atmosphere 4 Billion Years Ago

Though chances are Curiosity is going to come up empty-handed as far as living, potentially breathing Martians are concerned, four billion years ago might have told a very different tale. After recently examining meteorites and rocks from Mars, scientists have discovered that not only did Mars once have an oxygen-rich atmosphere, but it was developed over one billion years before Earth's.

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Source: http://feeds.gawker.com/~r/gizmodo/full/~3/w0KovAiRqXQ/mars-had-an-oxygen-rich-atmosphere-4-billion-years-ago-514368950

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