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Sunday, June 17, 2012

The ESA is evidence that an ocean covered element of Mars


The European Space Agency (ESA) declared today that its Mars Express has provided verification that an ocean enclosed element of the outside of Mars, something that was supposed but remains controversial. The study was based on data provided for over two years by the MARSIS radar, which was deployed on Mars in 2005, and has allowed the experts find that the plains of the northern hemisphere are covered low density material.
Institute of Planetary Astronomy and Astrophysics Grenoble (PISG), said in a statement from the ESA that these compounds appear to be sedimentary deposits, which means "a new and strong evidence that once there was an ocean.” The fact that Mars was partially covered by an ocean was a hypothesis and shuffled by the scientific community, but this new study provides one of the best evidence to confirm it. Certainty about the formation of that body of water is still vague, however, and is believed to have originated four thousand million years, when the planet was in more clement weather, or three billion ago, when the ice melted surface after an impact. The team leader of the PISG explains that Mars’s penetrate about 60 or 80 feet below the surface of that planet, and throughout this range tests were sediment and ice. Scientists discarded the moment that that ocean is maintained long enough to allow the development of life, and say that to find evidence of it will go back to earlier times in the history of this planet. This new study, however, marks a turning point because until the previous data of Mars Express on the existence of water on Mars came from the study of mineralogical information or images or atmospheric, but not so close vision with references radar. And at the same time, their findings open new questions about the whereabouts of all of that water, so the statement said; the satellite continues its investigations.


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