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"Ridicule is the only weapon which can be used against unintelligible propositions." - Thomas Jefferson
I don't find the question of why to be terribly relevant. The fact is, if the universe weren't capable of supporting life, we wouldn't be here to discuss it. Perhaps the rules we've discerned were actually even unavoidable in the universe.. And yet, the universe is actually quite hostile to life as we know it overall - it takes an Earth-like world to support life at all, and Earth-like worlds are certainly relatively rare. Plus, if cosmologists/astrophysicists are right, the universe won't always be able to support Earth-like worlds, and therefore life, in the distant future anyway, same as it wasn't capable of this early on in its existence. We exist only during a sort of cosmic window of time when physics do support our being. Thus, we formed only when we could exist, and of course we are pretty well adapted to the environment on our world, though even this planet has many extremes, and the majority of its surface area is also hostile to human life.
What we have in the universe and life as we know it today is an end result that may be misinterpreted as "design." In reality, though, these things come about through natural forces, just as we ourselves function entirely on natural laws, not through any "supernatural" force. We are a special little piece of the cosmos, perhaps comparable to other pieces elsewhere but too distant for us to detect today.
I do look forward to the day when an exoplanet with clear signs of life is discovered. I hope that they do succeed in lengthening lifespans soon as well, so that we who are alive today might even live to see what's on such a planet. All it would take would be a very fast probe..
What follows from the Anthropic Principal? It follows that we should not be surprised to witness conditions that are compatible with our existence. Right? Does it follow, though, that we should not be surprised to find that those conditions are unlikely? It does not. When we see a number like one over ten to the tenth to the one hundred and twenty third, we should be very surprised. Given that we exist, that number shouldn't be that high. We would be irrational to not ask why the conditions compatible with our existence are so unlikely.
Last edited by Maximatic; Jul 15 2012 at 01:23 AM.
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