Moved to another planet to lead three hurdles: five optional galaxies.

<P> Immigrant alien is the way </ P> <P> moved to another planet, a long-standing dream of mankind. .Renowned physicist Stephen Hawking told the British Royal Society has awarded the Copley Medal, said that immigrants of other human beings must die to escape the fate of the planet. .Hawking believes that as long as human beings trapped in a unique planet, humans at risk for long-term survival. .Asteroid hit the Earth and the threat of nuclear war wiped out sooner or later we will. .But if we expand into space and establish self-sufficient colonies, our future should be safe. .Similar to Earth's solar system do not have a place, so we have to find another one planet, and with more advanced space rocket to help people move to the survival of the planet proper. .This is his second time in six months, issued a similar remark. .</ P> <P> National Aeronautics and Space Administration (NASA) Administrator Michael Griffin has said that historically, a separate species on the planet can not survive forever. ."We have solid evidence that average 3,000 years, the world's species will face mass destruction; one day we will be immigration alien, but I do not know when that day will be." .</ P> <P> </ p>.