How to Search for Life on Mars (news in english)
24-07-2014 THE CAB IN THE MEDIA (Scientific American)

Experiments now under development could finally answer one of the most profound questions in science: Does life exist outside of Earth?

Astronomers have learned a great many things about Mars since the first probes landed there three decades ago.

We know that liquid water once flowed across its surface and
That Mars and Earth were similar in their early history. When life on
Earth arose, some 3.5 billion years ago, Mars was warmer than it is
today and had liquid oceans, an active magnetic field and a thicker
atmosphere Given the similarity between the two planets, it seems
reasonable to think that steps led to life on Earth could also
have occurred on Mars.

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Fuente: Scientific American

 

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