U.S. space agency successfully launched the "Kepler" Space Telescope (Photos).

<P> Keywords: Kepler Space Telescope NASA Earth-like planets outside our solar system </ P> <P> </ P> <P> <CENTER> </ CENTER> <P> </ P> <P> .World Scientific reports [tech.]: National Eastern Time at 22:50 on March 6, the world's first used to detect extrasolar terrestrial planets, "Kepler," No Space Telescope in the United States Air Force Base in Cape Canaveral .launch. .The picture shows the people watching, "Kepler" was off the grand occasion. .</ P> <P> <CENTER> </ CENTER> <P> </ P> <P> United States, "Kepler," Space Telescope in the United States Air Force Base in Cape Canaveral for launch </ P> < .P> </ P> <P> U.S. Eastern Time at 22:50 on March 6 (Beijing time at 11:50 on the 7th), the United States, "Kepler," Space Telescope in the United States Cape Canaveral Air Force Base .off. .This is the world's first dedicated search for Earth-like planets outside our solar system spacecraft. .</ P> <P> live NASA TV footage showed 65 minutes after launch, with a total investment of nearly 6 billion "Kepler," Space Telescope entered the preset orbit, when it was about 721 km away from Earth. .It will orbit in the two-month trial run, then started the implementation of exploration. .</ P> <P> "everything is normal," the U.S. Space Agency TV commentator George Diller said, "to watch the launch on the beach, people, this is a great Friday night." </ P> .<P> period of at least 3 and a half years in the mandate period, "Kepler," Space Telescope Cygnus and Lyra will be approximately 100,000 to start observing stellar system to find life on terrestrial planets and signs. ."Kepler" and named in honor of the German astronomer Johannes Kepler, who proposed the famous three laws of planetary motion. .</ P> <P> responsible for science missions, NASA's deputy director of the board prior to launch, said Ed Weiler, "Kepler," Space Telescope trying to answer the question that whether there is similar to the extrasolar planet .planets. .This is not only a scientific issue, but also a basic human problem of inquiry. .</ P> <P> NASA released the information, "Kepler," Space Telescope to date of human carrying spacecraft into space by launching the largest photometer carry it by observing the planet "transit" phenomenon .search for extrasolar terrestrial planets. .</ P> <P> "transit" refers to the observer would see the planet from the parent star passes in front of the phenomenon. .For example, in the earth could be observed transit of Mercury or the transit of Venus, when seen on the surface of the sun as if there is a small black spot in the slow movement. .Similarly, observing other star systems will also see the transit phenomenon. ."Kepler" is calculated through the observed data related to the characteristics of the planet. .</ P> <P> "Kepler," observed target region in the galaxy Cygnus and Lyra in the area, because the direction of the sun and other celestial bodies observed less influence conducive to sustained observations. .In addition, this region there are more stars and sub planets. .</ P> <P> terrestrial planets similar to Earth is a planet. .Astronomers believe that these planets may have life, hence the research significance. .In the search for Earth like planets is a major difficulty faced is the lack of observational approaches, because in such a distant solar system, galaxies, stars and planets are often close the distance between the star's intense light will cover up the issue of planets, astronomical telescopes on the planet .can not be observed. .</ P> <P> </ P> <P> Related News: </ P> <P> the U.S. start looking for another mission Kepler probe next month to leave the Earth (Photos) </ P> <P> .Super Neptune scholars have found 4.7 times the Earth-type planets are large (Figure) </ P> </ p>.