According to one of leading physicists in UK, governments should start preparing for human's first extra-terrestrial encounter now, reported the 'Daily Mail'.
"I do suspect we are going to get signs of life elsewhere, maybe even intelligent life, within the next century," Jocelyn Bell Burnell said at the Euroscience Open Forum conference in Dublin.
"How well prepared are we? Have we thought of how we approach them? Should we put them in a zoo, eat them, send in GIs to bring them democracy?" Burnell said.
She said we are most likely to find alien life where we find rocky planets with carbon dioxide and ozone in the atmospheres.
The Oxford University professor added that, "If we do suspect there is intelligent life out there, are we going to make ourselves known to them or not?There are interesting questions about who you would tell first