A large ocean evidence has been founded on Mars.

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A team of scientists has claimed that there was an ocean on the surface of Mars 3.5 billion years ago.

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Such evidence of this ocean is the greatest proof of life on Mars.

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This evidence of the ocean has been released by the researchers at Pennsylvania.

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The climate in those days is still there today, it was quite harsh, cold and dry weather.

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The team mapped data from NASA and the Mars Orbiter laser altimeter.

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Due to a lot of changes over the years, there are many region where there is evidence of life on Mars.

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