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The Milky Way contains billions of planets like Earth.

• Prestigious astronomer Alan Boss presented this conclusion in Chicago.

• claims that 85% of Sun-like stars have Earth-like worlds.

Almost all Sun-like stars are likely orbit around a planet capable of Albega life like Earth. This is the conclusion just presented the prestigious astronomer Alan Boss of the Carnegie Institution of Washington, the conference of the American Association for the Advancement of Science being held this week in Chicago. According to this expert, the discovery of hundreds of planets around distant stars in our galaxy suggests that most solar systems have a world ours, capable of sustaining life, and many of them probably have seen it change, reports British newspaper The Times. It is expected that the Kepler spacecraft, from NASA, to be launched next month to search for Earth-like worlds, find thousands of rocky planets in the sky that portion of the investigation, said Boss.

"We're about to find out how often convincingly appear habitable planets in the Universe," he said. "A little over 20 years, we knew of the existence of any other than our own planetary system. Now know well over 300. I suspect that almost all stars we see when we look at the night sky have around a planet like Earth. " Most of these exoplanets are gas giants like Jupiter, but among them there are also some 'super-Earths', a few times bigger than our planet. Although smaller worlds like ours, are invisible to current telescope, Kepler will be able to find them. His prognosis is that 85% of Sun-like stars have a planet like Earth, and some may have many more. Given that there are 100,000 million stars like the Sun in our galaxy, and 100,000 galaxies in the universe, there may be 10,000 trillion planets are good candidates for life. That number is written with a one followed by 22 zeros. With a Livable turning 5,000 or 10,000 million years around a star, says Boss, it is inevitable that some life forms. If you have a planet with the right temperature and water over thousands of millions of years, are aimed at making life. The planets, he adds, are regularly bombarded by comets carry the organic building blocks of life. Boss says it is likely that some planets and civilizations have produced intelligent organisms, but our chances of locating one are very remote. "Maybe we have not found it yet because we have not looked at the galaxy long enough and with the necessary rigor, or there may be intelligent civilizations were formed and will last 100,000 years, but may be developed 100 million years ago, so we would not be synchronized, "he explains. Most likely, in your opinion, is that most of the 'super-Earths' harbor "forms of life similar to what existed on Earth some 4,000 million years." That is, bacteria that have nothing to do with 'ET' film.

Source: elmundo.es