Interstellar Travel: Sooner or Later? Though interstellar travel is theoretically possible, colonizing Alpha Centauri in the next millennium may be far-fetched. Modern Quantum physics gives many new openings into the world of plus-light-speed travel, but Einstein’s theory of relativity maintains the fact that light speed is an paradoxical and impossible feat for anything other than light and electricity. Science is rapidly and constantly advancing, recently many scientists and physicists have speculated the future and possibilities of interstellar travel, but have also been di