so is possible that one day human beingg not. might be living on another planet? Well, w Already, companies are offering trips into space, American Dennis Tito paid $20 million back in 2001 to go up to the International Space Station d As technology has improved. prices have come down. Today, several commercial companies offer tickets to space for a fraction of the price Tito paid. Virgin Galactic offers flights to the edge of space for as little as $200,000! e The sky is no longer the limit. NASA's Kepler space telescope has already found more than 1,000 planets which might support life. Some astronomers even say there could be billions. There will definitely come a time when we will be able to travel to other worlds on vacation, and even emigrate into space. Would you want to go?