in reply to How to prevent a Reload from resubmitting a form?
PRG is Post/Redirect/Get
This is what frameworks like http://mojolicio.us/ help you manage easily
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 (540 votes). Check out past polls.