Top 5 Habitable Alien Planets - here we have examples of planets located within the habitable zone, for just one star. There are billions of stars out there. So the idea of the non-existence of extra-terrestrial intelligent to be highly absurd.
Whether we went round the earth or round and round the garden like a teddy-bear it would make any difference! J- but its the solar system! SH- ugh! What does that matter! THIS is my hard drive and i only keep stuff that's useful, REALLY useful, if i ever did know I've deleted it.