It is estimated the number of aliens in the milky Way

170

www.vsyako.netPhoto: phys.org

Scientists at Nottingham University in the UK has estimated the likely number of extraterrestrial civilizations existing in the milky Way. According to the researchers ‘ findings, based on a new approach, in a galaxy can be more than 30 kinds of intelligent beings. About it reported in a press release on Phys.org.

Experts have suggested that intelligent life appears on other planets similar to how it happened on Earth, that is, it requires about five billion years. Another limitation is the number of stars in the milky Way, which, like the Sun, have a high metallicity, that is rich in elements heavier than helium. Thus, intelligent and technologically advanced civilizations like ours in the galaxy should be about 36. These civilizations send into space radio signals for at least 100 years.

The average distance between planetary systems inhabited by intelligent beings, is 17 thousand light-years, which makes their detection very difficult. In addition, if the survival time of a technologically advanced civilization is quite short, it is likely that at present human beings are the only living sentient beings, capable of sending radio signals.

Video, photo All from Russia.

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