Actually not necessarily, because of such vast distances between stars and even galaxies its highly unlikely that they have spread too far outside of their own back yard. A while back I read an interesting article about the fermi paradox, it was a great read and recommend it to anyone thats interested in this type of stuff.
Actually not necessarily, because of such vast distances between stars and even galaxies its highly unlikely that they have spread too far outside of their own back yard. A while back I read an interesting article about the fermi paradox, it was a great read and recommend it to anyone thats interested in this type of stuff.