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GameOver22 said:
dsgrue3 said:
GameOver22 said:

Maybe...maybe not. We don't really know the probabilities involved. Anyway, that wasn't really my point. My point was that we can actually have meaningful discussions about non-observed entities.


Not familiar with the Drake equation?

 

Ummmmm......a quick look kind of proves my points. We don't know the probabilities involved. It just involves a bunch of people filling in the equation and getting different results. The big problem is determining the prbabilities for: (1) live arising and (2) that live evolving into intelligent life (I was unclear, but I was talking about intelligent life). We really don't know those probabilities, primarily because of experimental limitations.

Point being, there is still serious debate as to how life actually arose, and secondly, we have extreme limitations when looking at how evolution proceeds, especially in the long-run.....as in the billions of years it took for humans to evolve. Its very difficult to acribe any sort of probabilities under these conditions, where our ability to manipulate variables and run experiments is extremely limited.

Haha, you should look into the Drake equation much further. The probabilities involve observations of other systems and their likelyhood of having planets in the goldilocks region capable of supporting life.

Evolution is entirely irrelevant. A single cell IS life. All that is necessary.