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Tuesday, February 20, 2018

Presents a new way to search for life on Mars

A group of canadian microbiologists, representing McGill University, found that some of the technologies already used on Earth, could be used to search for life on other planets. According to experts, trying to find microbes on Mars in about the same ways as in the Arctic.

photo: pixabay.com

It is believed that in the distant past on the red planet housed oceans of liquid water, and the atmosphere was much more dense than it is today. Many believe that it lasted long enough for life to emerge, however, some scientists continue to hope that in the past Mars was inhabited, and then certain microorganisms may adapt to the existence in its present conditions. However, no conclusive proof that Mars is inhabited, today does not exist. All the “sensational” information on this subject in fact represent no real scientific value statements by ufologists, “discerned” animals or traces of civilization in the rocks or the shadows of the unusual shape.

A number of scientists still nurtures great hope for what life can be detected on some moons of gas giants — particularly on Europa or Enceladus. Under the ice covering the surface of these space bodies are oceans of liquid water.

To date, the most promising way of searching for extraterrestrial life are considered attempts to detect connections that are almost exclusively produced by living beings. However, such evidence is only circumstantial, besides the necessary equipment is too massive to deliver it to the orbit of Jupiter or Saturn.

However, experts note that there is a more easy to carry equipment designed to search for nucleic acids in the Arctic ice. Nucleic acids DNA and RNA present in the cells of all living organisms and perform essential functions for the storage, transmission and realization of hereditary information. According to scientists, if we detect them on other planets, it will be a convincing proof that they inhabited or, at least, once these were. However, this equipment operates at low temperatures, which makes it even more suitable for more distant space from the Sun than Earth.

However, as recognized by researchers, the data obtained do not allow to assert that the detected microorganisms are alive and are not in hibernation. However, even with that such a discovery would be exciting, sure microbiologists.

The study was published in the pages of scientific editions of Frontiers in Microbiology.

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