This travel is not just limited to astronauts. The only way the current 'open space programs' can even travel beyond our solar system is to propel crafts by means of propulsion, then use the planets' sling shot methods and then let the crafts coast they way through space. read more
Astronauts travel in space, in spaceships. Since spaceships are not able to travel beyond our solar system (till now), astronauts are also not able to travel outside it. read more
Well,it is highly unlikely for us to travel beyond our solar system with today’s technology. And to travel beyond it will require fuel that we hardly can obtain. Through the years fuel will decrease thus for us to travel out of the solar system isn't really realistic. read more
Take a virtual trip to a strange new world with NASA Every day, all over the world, enthusiastic amateurs are making discoveries and valuable contributions—no fancy degrees or resumes needed. read more