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Scientists decided to apply a new method of searching ekzopalanet
European scientists have recently developed a new method to narrow down the search range of potentially habitable planets. Since around us there are billions of such worlds, current methods of search and analysis of potentially habitable exoplanet seen quite futile. A new method of finding such planets is intended to cut off the dead-end options and focus exclusively on the most promising.
The new model search inhabited worlds was created by scientists from the Centre for the Study of space and potentially habitable planets at the University of Bern, in Switzerland, under the guidance of an expert Ian Alibert. Search method, which he and his team have developed, allows you to select only those planets whose properties are very similar to our Earth.
When the Hubble Space Telescope “Kepler” space agency NASA scientists first began to supply data on thousands of exoplanets, various space agencies around the world were excited about to get their own “hunters” for exoplanets. European Space Agency, for example, is developing a space telescope “Cheops”.
“Now we have to answer the difficult question of whether this or that planet habitable, since we can not know with certainty what the conditions on this planet and whether they are suitable for the emergence of life on it” – says aliber in their research article in the journal Astronomy & Astrophysics.
The newly developed method takes into account the huge number of options and factors that in some way would be speaking about the possibility of life on the Planet. This includes such parameters as mass, radius, distance from its star, the temperature on the planet’s surface, the presence and composition of its atmosphere and so on.
Nevertheless, according to Alibert, there are two important factors that are more certainty would indicate the presence of life on such planets – is water in liquid form and the presence of the carbon cycle on this planet. According to scientists from Bern, these two aspects are essential conditions for the development of life.
“Our research shows that the planets that contain large amounts of gas or water, will not necessarily be inhabited,” – he says.
“The same is no certainty with respect to the gas and ice giants, as well as extrasolar planets are too close to their luminaries” – quoted Aliberti scientific journal Astrobiology Magazine.
Bern developed by scientists to apply a new method for finding help such research tools as “Cheops” and spectrograph HARPS, located in Chile.
“This theoretical model will help astronomers to focus on the most promising candidates, the most similar to our Earth” – sums Alibert.
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Tags: Extraterrestrial life , Exoplanets .
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