This is also the reason why we do not find traces how the aliens in this vast universe.
If indeed there is a civilization in outer space, perhaps that civilization is still in the early state. That is what is Dimitar Sasselov - astronomer at Harvard University concluded.
His conclusion is the explanation for a concept called the "Fermi Paradox". This paradox stems from the fact that there are billions of galaxies in the universe, billions of stars and planets may be habitable. But this time, we still can not figure out what alien life. And according to Sasselov, causes simply because they have not developed alone.
Sasselov said the planet in the universe actually has very ... young. Based on his calculations, the universe and galaxies only create a stable environment for the planet formed about 9 billion years ago. In particular, the rocky planets like the Earth's surface has a lifetime of about 7 -8 billion years. In addition, a complex chemical compounds necessary for life, also appeared in this period.
Therefore, we can say humans have come too soon, so we can not figure out the aliens.
If indeed there is a civilization in outer space, perhaps that civilization is still in the early state. That is what is Dimitar Sasselov - astronomer at Harvard University concluded.
His conclusion is the explanation for a concept called the "Fermi Paradox". This paradox stems from the fact that there are billions of galaxies in the universe, billions of stars and planets may be habitable. But this time, we still can not figure out what alien life. And according to Sasselov, causes simply because they have not developed alone.
Aliens can only're in prehistory - Photo 1.
Sasselov said the planet in the universe actually has very ... young. Based on his calculations, the universe and galaxies only create a stable environment for the planet formed about 9 billion years ago. In particular, the rocky planets like the Earth's surface has a lifetime of about 7 -8 billion years. In addition, a complex chemical compounds necessary for life, also appeared in this period.
Therefore, we can say humans have come too soon, so we can not figure out the aliens.
Aliens can only're in prehistory - Photo 2.
NASA apparently agrees with Sasselov, while confirming that in the next 10-20 years, we will find extraterrestrial life form bacteria.
Earlier, an Australian scientists have another theory, that the aliens may have perished.
In the process of research, Aditya Chopra - Australian National University PhD - found new life in the universe formed usually die very quickly due to the environmental conditions are not stable on the young planet.
He said: "The early childhood living very fragile, and rarely evolve fast enough to survive. Most of the environment on the primitive planet are unstable. In order to create a favorable planet for survival , life forms should conditioned greenhouse gases carbon dioxide and water and to maintain steady surface temperature. "
This can be seen as a reason why the alien organisms could not evolve the same time as our species.
