got one question? so if we could travel at light speed it would still take 20 years and i'm guessing, around trip would be 40 years that would be without stopping and saying hi so would it be better money spent looking at moons some where in our system or have we look at each one all ready?
Gliese 581 just 20 light-years away
got one question? so if we could travel at light speed it would still take 20 years and i'm guessing, around trip would be 40 years that would be without stopping and saying hi so would it be better money spent looking at moons some where in our system or have we look at each one all ready?