Utk manusia macem ente, pokoknya asal numpang hidup. Kalau di Indonesia sdh ga memadai, ya kalau perlu dimaki-maki.
--- In [email protected], "kim" <kim3h...@...> wrote: > > Abandon Earth or Face Extinction, Stephen Hawking Warns -- Again > > It's time to abandon Earth, warned the world's most famous theoretical > physicist. > > In an interview with website Big Think, Stephen Hawking warned that the > long-term future of the planet is in outer space. > > "It will be difficult enough to avoid disaster on planet Earth in the next > hundred years, let alone the next thousand, or million. The human race > shouldn't have all its eggs in one basket, or on one planet," he said. > > "I see great dangers for the human race," Hawking said. "There have been a > number of times in the past when its survival has been a question of touch > and go. The Cuban missile crisis in 1963 was one of these. The frequency of > such occasions is likely to increase in the future." > > "But I'm an optimist. If we can avoid disaster for the next two centuries, > our species should be safe, as we spread into space," he said. > > That said, getting to another planet will prove a challenge, not to mention > colonizing it for humanity. University of Michigan astrophysicist Katherine > Freese told Big Think that "the nearest star [to Earth] is Proxima Centauri > which is 4.2 light years away. That means that, if you were traveling at the > speed of light the whole time, it would take 4.2 years to get there" -- or > about 50,000 years using current rocket science. > > Still, we need to act and act fast, Hawking stated. "It will be difficult > enough to avoid disaster in the next hundred years, let alone the next > thousand or million. Our only chance of long-term survival is not to remain > inward looking on planet Earth but to spread out into space. We have made > remarkable progress in the last hundred years. But if we want to continue > beyond the next hundred years, our future is in space." > > This is not the first time Hawking has warned of impending planetary doom. In > 2006, the physicist warned that Earth was at an ever increasing risk of being > wiped out. And lately, Hawking has become quite outspoken. > > In April, he warned of the dangers of communicating with aliens, telling the > Discovery Channel that extra-terrestrials are almost certain to exist -- and > humanity should avoid contact with them at all cost. > > "To my mathematical brain, the numbers alone make thinking about aliens > perfectly rational," he said. "The real challenge is to work out what aliens > might actually be like." > > The answer, he suggests, is that most of alien life will be the equivalent of > microbes or simple animals -- the sort of life that has dominated Earth for > most of its history -- and they could pose a serious threat to us. > > In May Hawking said he believed humans could travel millions of years into > the future and repopulate their devastated planet. If spaceships are built > that can fly faster than the speed of light, a day on board would be > equivalent to a year on Earth. That's because -- according to Einstein -- as > objects accelerate through space, time slows down around them. > > "Time travel was once considered scientific heresy, and I used to avoid > talking about it for fear of being labelled a crank," he said in Stephen > Hawking's Universe. > > "These days I'm not so cautious." > ------------------------------------ Post message: [email protected] Subscribe : [email protected] Unsubscribe : [email protected] List owner : [email protected] Homepage : http://proletar.8m.com/Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/proletar/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/proletar/join (Yahoo! ID required) <*> To change settings via email: [email protected] [email protected] <*> To unsubscribe from this group, send an email to: [email protected] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
