On the very first planets in the universe could support life




On the very first planets in the universe could support life


According to the results of a recent research, the whole universe at some point in their time could be an incubator of life. To this conclusion, or rather assumption came the scientific staff at Harvard University, believes that in the early moments of the universe when the first stars formed just, life could exist on almost any planet.

In previous studies on this topic speculated that even the simplest life forms could develop around young stars mean a wide variety of reason. One of them, for example, are huge size of such objects and a huge amount of background radiation that they emit. And so on …

Nevertheless, a new study led by a Harvard astrophysicist Abraham Loeb suggests that planets around stars appeared in the first 15 million years after the Big Bang could be water reserves, which would imply the presence of habitable zones in virtually the entire universe.

Loeb believes that the heat and power needed to keep the water in liquid form, would provide the cosmic microwave background radiation (relic light remaining after the Big Bang). Radiation is very discharged, but nevertheless quite strong in some areas of the universe.

Temperature of the cosmic microwave background radiation is now 2.7 kelvin. However, when the universe was only 15 million years, the background radiation warmed everything that exists within it to 300 degrees Kelvin (26.85 degrees Celsius).

According to Harvard researchers, in this period of time could be formed rocky exoplanets in isolated corners of the universe, the so-called pockets – region of space where there was a dense concentration of matter. Some astrophysicists believe that this development is not possible due to time constraints, the fact: a few million years in these pockets could not form the heavier elements like hydrogen and helium. Nevertheless, in his study of Loeb and his team tried to show the possibility.

Scientists believe that, in its infancy, that lasts from 2 to 3 million years of the universe could really be life . At this time, the planet’s were able to maintain the water in liquid form on the surface, even if located outside of their home areas inhabited stars.

Scientific journal Nature reports that the full details of this study were published in the largest free archive of electronic publications arXiv.org.
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Tags: Big Bang , Extraterrestrial Life , the Universe , Exoplanets .

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