in reply to poll ideas quest 2012
The thing i fear most about going too far back in time is:
Related: Re: poll ideas quest 2010 (Past sucks why)
Athanasius <°(((>< contra mundum
This idea is very similar to Re: poll ideas quest 2012 (What will you miss the most in a post-apocalyptic world?), which, incidentally, got turned to a poll somewhat after you have posted this idea: What would you miss the most in a post-apocalyptic world?.
There is no Extraterrestrial life
There aren't any suitably capable Extraterrestrials
Interstellar travel is too difficult
We're too uncool / not worth the trouble
What do you mean they haven't visited?
Results (474 votes). Check out past polls.