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Tuesday, March 13, 2018

Martian clay was evidence of life on the red planet

By studying deposits of clay in the vicinity of crater Huygens on Mars, a group of scientists from the Institute of search for extraterrestrial intelligence SETI has found new evidence that 3.8 billion years ago the Red planet was warmer and generally more habitable and probably inhabited by primitive microorganisms.

Planetary scientists have discovered that the sediment contains large amounts of iron and chalk. Iron-rich clay, according to experts, could be formed only with water and chalk, or calcium carbonate, on the Ground directly associated with the life in the oceans. All of these discoveries, according to lead study author Janis Bishop, allow you to confirm that once Mars was cold and dry desert, as it seems today, and the planet, significantly more Earth-like with oceans and a dense atmosphere.

Recently, experts managed to detect a lot of evidence that in the distant past Mars was subsequently completely vaporized ocean of liquid water. For example, one of the most recent such evidence were the traces of two large-scale sea tsunami caused by the fall of meteorites.

Different experts have different versions as to exactly how Mars in the past warmed up so that the existence of an ocean of liquid water on it became possible. According to one version, this has contributed to the occurring four billion years ago a meteor bombardment of Mars, on the other — the eruption of ice volcanoes.

A week ago it became known that the first manned flight to orbit the red planet is scheduled for 2028, although it was previously assumed that it will take place no earlier than 2033. Experts hope that this expedition will allow us to accelerate the pace of exploration of Mars, since the exchange of signals between Earth and Mars takes a long time because of the large distance between planets, while for professionals on the Martian orbit, such problems will not arise.

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