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tecchile MIT and Harvard will study whether life originated on Mars

• MIT and Harvard will study whether life originated on Mars
  by Mario Sacco .
  
  
  
  For many astronomers and scientists commissioned to study
  origins of humanity, the theory that life on our planet comes from Mars

(who arrived here aboard meteorites), has always been conceived as possible. An instrument developed by MIT researchers

and

Harvard University, could provide the necessary evidence to show that this is reality and we are not just a result of this planet itself, but probably we are descendants of potential life forms that inhabit the red raises millions of years ago.

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To detect signs of past life (or present) on Mars

, if indeed it is true that we are related, a strategy would be finding promising DNA or RNA

, especially the particular sequences of these molecules, taking advantage of these are almost universal and are present in all forms of terrestrial life. That is the strategy followed by the MIT

to research by Christopher Carr and Clarissa Lui postdoctoral associate in collaboration with Maria Zuber, head of the MIT of Earth, Atmospheric and Planetary Sciences (E arth, A tmospheric and P lanetary

S cience) (

EAPS) and Gary Ruvkun, a molecular biologist under the Massachusetts General Hospital and Harvard University

who came up with the concept of instrument to use and is commissioned to put together the initial team. Lui, For its part, presented a summary of a draft instrument, called Search for Extraterrestrial Genomes (S

• earch for E xtra-
  T errestrial

  G enom) ( SETG ), the IEEE Aerospace Conference this month in Big Sky, Montana.

  Mars is an ideal setting for samples of life forms that might be the origins of what we are today.
  The theory is based on events that have been well established and already have, separately, sufficient support to be considered valid. First, it is recognized that during the origin of the solar system climates of Mars and Earth were very similar

  together, much more than we know today. This idea creates and strengthens the theory that life originated on a planet, presumably, could have survived in the other. Secondly, it is estimated that one billion tons of rock traveled from Mars to Earth, causing Dante asteroid impacts, after having traveled through interplanetary space before hitting the surface of the Earth. Third, microbes have demonstrated their ability to survive the initial shock of the above (and estimated) impact, and there is some evidence that could have survived for thousands of years in transit through space, before reaching another planet . Thus, the steps necessary to begin life on a planet and spread to other theories are supported by valid. In addition, the orbital dynamics shows that it is much more likely to travel rocks from Mars to Earth than vice versa

  . So if life started there first, the microbes may have come here and we could all be descendants of those organ systems. Therefore, if we are descendants of any life that ever existed on Mars
, could have important lessons to learn about our own biological origins. In fact, one of the most important studies to perform in the near future should be oriented towards biochemistry
• Mars. Here on Earth, is erased many biological traces back thousands of years, but there (on Mars), at such low temperatures could be kept in good condition for study and analysis.

  The ice is under the soil of Mars may hold the key to discovering MIT researchers intend to take samples of Martian soil and isolate live microbes that may be present or microbial remains that can be stored for times of up to one million years and contain DNA viable for study. Thus, one could separate the genetic material using standard biochemical techniques (standards) to analyze their genetic sequences. "It's a very remote possibility," says Carr, " but if we go to Mars and found traces of life, and it is related to us, we could estimate that our entire existence can come from this planet. Failing that, we may also discover that part of life that began in our planet could get to Mars . "Some years ago this might have seemed a long shot, but recent satellites are in orbit about Mars and Rover missions have clearly shown that Mars once had water abundance, and many of the conditions needed to sustain life. Although at present the surface of Mars is too cold and dry to sustain life forms known evidence that liquid water may exist below the surface , not much depth. On this point, Carr says that " Mars today is the best place to look for underground life . "

  The team has developed a device that could take samples of Martian soil

  , below the surface, with the likely use of a vehicle able to achieve a sort of "dredging "and equipped with drilling systems soil. Ie work deeper than those seen in the video that we show above this paragraph. With the material obtained, the process could be done to remove any possible body and amplify its

  DNA or RNA by the same Techniques used for DNA forensic evidence on Earth. Then he used the classical biochemical markers for signs of particular genetic sequences, those are almost universal among all known forms of life. Researchers estimate that there are still two years to complete the design and testing of a prototype SETG and although the proposed device has not yet been selected for any upcoming mission to Mars

  , a mission in the future with a ship or vehicle equipped with a drill would take this instrument " life detection."

  Are we contaminated Mars?

  Christopher McKay, an astrobiologist at NASA-Ames Research Center in California, which specializes in research related to the possibility of life on Mars , ensures that this work is "very interesting and important " ;. He adds, "it is not implausible

  see that life on Mars is associated with life on Earth and therefore share a common gene. This mission would be important to test this hypothesis

  . " But he also said that another reason for do this research, " addition to providing care to the safety and health of the future astronaut, or to permit a soil sample collection, there is much more to worry about ." "If there is indeed organisms closely related to us in Mars and check the existence of microbes similar to those on Earth, it is very likely to be infectious lifestyles for a human being . In addition, this method may also detect biological contamination Mars has been carried by a spacecraft from Earth " Source: MIT

  
  
  

  Source: via Neoteo

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