I actually found this episode to be closer to the mark, (scientifically), than some of the others. I found it a little boring, also. They spent about 50% of it getting to the conclusion on why Io has volcanos .. I got the impression that they were spreading out the content to fill the program and meet duration targets of the production.
Nonetheless, the most profound points, (for me), came right at the end and frankly, for me, make this by far, the best episode I've seen because of the following words:
Quote:
Originally Posted by Cox
They're driven by the same laws that shape and control our own world .. and so … in many ways, its a miracle that we exist at all.
…
Until we went there .. we had no idea of what the Laws of Nature could produce.
…
The most important lesson .. is that the laws of nature can create a variety of different worlds with the tiniest of changes.
…
We now see how the life and death of planets & moons is governed by interconnections which span the Solar System.. and we wouldn't be here .. if it wasn't for those connections.
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These are scientifically valid statements and there is A LOT of theory supporting them. See:
Chaos Theory and Complexity.
Read 'em again … and then ask how tiny might the changes have to be … and how many places are needed before the tiny changes occur just once at the right time, and how many connections, to result in a single instance of life ?
Perhaps then, it might be understood why the universe might have to be so big, for a single instance of life to occur. (A perfectly scientifically valid proposition, coming from this perspective).
These are not trivial wishy-washy points (unusual for Cox

).
I'm impressed that they've finally emphasised what I hoped they were on about from the first episode … diversity of environments .. driven by the Laws of Nature .. leading to life.

Cheers