Astronomers claim that human beings will be known 20 years of biological contact with extraterrestrial intelligence.

<P> Keywords: alien astronomers human </ P> <P> famous astronomer claimed that human beings in the twenty-year biological contact with extraterrestrial intelligence. .</ P> <P> recently found outside our solar system, Earth-like planets, as well as NASA 二 ○ ○ nine years of an important space mission, making human contact with aliens moving a big step forward. .</ P> <P> Astronomers: Milky Way doubt evolution </ P> <P> Astronomers find strange neutron star </ P> <P> planets astronomers have discovered a class of systems </ P> <P> in the .tomorrow night in the BBC documentary aired in the U.S. astrophysicist Frank. .Drake said: "Everything makes us more optimistic." Drake had in 1961 begun the search for extraterrestrial intelligent life plan, he said: "We do believe that about the next two decades, we can a lot of understanding of the Earth .Life outside the situation, we are likely to find life somewhere in the galaxy, or even intelligent life. "</ P> <P> nearly half a century ago, Drake invented a formula used to estimate the galaxy .The number of aliens. .</ P> <P> this calculation method, the seven factors into account, including the birth of stars in the Milky Way in the ratio of the number of stars about the number of planets, whether they can live and guess an intelligent creature can survive .long. .</ P> <P> Although the answer to each of these equations are different, but Drake said that, on average, the Milky Way there are estimated to have advanced technology of a million life forms. .World Scientific reports </ P> <P> many experts have refuted this theory, but Switzerland in April last year a scientific team found the first two extrasolar planets can support life, are called "Ge Lise 581 c" and ."Ge Lise 581 d". .</ P> <P> next year, NASA will launch the "Kepler," Space Telescope, the telescope will be repeated during a four-year space mission scan one hundred thousand stars, as well as in the habitable zone around a star is detected .are Earth-sized planets. .</ P> </ p>.