Scientists find Earth-like planets 20 light years away.

<P Align=center> </ P> <P align=center> around the red dwarf Gliese581 (right) the revolution of the planets Gliese581C (middle) is by far the observed closest approach to Earth (left), a planetary environment. .(Scientific simulation map) </ P> <P> 20 light years away from the outside of the Earth, the European astronomers have discovered a planet very similar to the Earth, named Gliese 581C. .It was the scientists who first discovered outside the solar system a planet fit for human habitation, this discovery will go down in history of astronomy. .</ P> <P> most similar to Earth's environment </ P> <P> Gliese 581C is by far the observed planet closest to the Earth's environment. .It is 1.5 times the diameter of the Earth, the weight is 5 times the Earth, 1.6 times Earth's gravity, the surface temperature of 0 to 40 degrees Celsius. .Rock structure, atmosphere, atmospheric composition to be determined; have liquid water may even have liquid oceans exist ... ... planet outside our solar system known as the "second Earth." .</ P> <P> no rotation "one year" 13 days </ P> <P> Gliese 581C is surrounded by a star Gliese 581 that it named. .Gliese 581 is from the 100 stars nearest the earth, one of a red dwarf star only 20 light years away. .Compared with the sun, its surface temperature is only half of the sun, and as Gliese 581C star running away from the more recent track, so its surface temperature reached a similar planet, suitable for human habitation in the balance. .Gliese 581C once every 13 days to complete the revolution. .</ P> <P> distance beyond human capacity </ P> <P> on Gliese 581C, people will be able to once every 13 days birthday; body weight ratio more than doubled in weight on Earth; can see the big than the Earth .9 times on the red sun, but the absence of rotation, the new earth will always be half in half in a day and night ... ... The problem is that astronomers have called "the relatively recent" 20 light years, which translates into the familiar scale, about .is 190 trillion kilometers, to human beings for the current means of delivery, that is an astronaut's journey 50 billion years. .World Scientific reports [tech.] </ P> <P> can still go down in glory </ P> <P> although in a proximate future, Gliese581C adult class can not be conceived or resort colonies, but this does not .of it is history. .University of Geneva astronomer Michel Mayer said: "This is the search for life in the universe toward an important step on the road." U.S. scientists Alan Boss of the Carnegie Institution of Washington, also known as the discovery is "Astronomy .important milestone in the field. " .</ P> <P> billion R & F to get to the strategy behind that? .Experience: entrepreneurs should learn to curry favor with the several categories of persons listed in paragraph 156 of China Unicom launched Chang'e One, visit the pre-sale tickets for domestic real name manned submersible 7,000 meters in Shenzhen, Matsushita unveiled skills motivate staff by 21 brand value ranking of Chinese cities .BYD Super hippocampus Chrysanthemum Fish For home decoration set the color to avoid the sharing of the seven projects the Beijing-Shanghai high speed railway giant feast Guide: Chinese richest man Li Ka-shing's Three Laws of Haier washing machines money into the mysterious disappearance of advanced livestock dead zones appear rare Shennongjia .see the spectacle of a sea of clouds, Heng Fa Chuen Wine: 66 million ad worth? September, the U.S. ranked the top ten best-selling Chinese car Coupe "enemies" of fish imported cars grape livable cities in the twelve constellations [Photos] </ P> < ./ p>.