Quote:
Originally Posted by FUBAR
If you get this channel you might like this....
Life After People - History.Com
Carrying their idea a bit further what if there were other intelligent species but they lived say 200 million years ago. Or even further back, who knows we may not be the first after all............  |
There's a big difference between intelligent and "advanced civilization". I'm not sure one could detect intelligent from that far back but I'm reasonably sure our presence will still be visible in 200 million years time.