The universe was covered with a suitable planets where living creatures so, the astronomers said as reported by Dailymail.
The scientists who studied the stars like the Sun found that nearly one of every four stars have rocky planets like Earth.
Many of these planets in the zone "Goldilocks" or areas where the water is not too hot but not too cold,
Their findings suggest that there may be tens of billions of planets like Earth, it was only in our galaxy - and the trillions of planets in the universe, which can be inhabited.
The scientists spent five years researching the 166 stars within 80 light-years up to - or 470 trillion miles from Earth.
The planet was so far away and too small to be seen directly with telescopes, so astronomers observing the stars when they pulled the planet gravity-planet.Lewat this way, over the last decade sata, at least 500 planets outside the solar system have been found.
Recent studies reported in the journal "Science", discovered that there are many Earth-like planets.
Researcher Dr Andrew Howard, said: `of about 100 stars like the sun, one or two planets such as Jupiter in size, approximately six in size as Neptune, and about 12 have a super size of the earth, between three to ten times the mass of the earth.
"If the planet is sought is between one half and two times the mass of the Earth, we predict there are about 23 for every 100 stars, 'added Dr. Howard, of the University of California Berkeley.
This technique can only detect planets orbiting nearby stars, so the actual number even more.
Another decade, new methods of planet detection and the telescope is more qualified to be more clearly reveal Earth-like planets, said the scientists.
"These results will change the view of astronomers about how planets are formed '" says researcher Professor Geoffrey Marcy, who is one of the foremost hunter of planets.
Last month, astronomers announced the discovery of the planet most like Earth - rocky planets three times bigger than Earth, orbiting a star 20 million light-years away.
The planet seems to have asmosfer layer, such as the gravitational force on earth - and probably have running water on its surface.
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