I was watching a program on Nova (TV) the other day about the universe, and it made me think again about how vast and complex our universe really is. There seems to be no end to it -- at least we can't find an end. And even "empty space" is much more complex than we thought. It's certainly not empty and we're still not sure what all it contains in the way of "strange" particles.
Einstein showed us that space is curved by matter and that helped clear up a few problems. But it also created a few new ones. Are we ever going to be able to completely explain everything about the universe? It always seems that when we finally explain something that has puzzled us for years, the solution creates more problems. Somehow I think this will continue on indefinitely. I'm convinced, in fact, that we'll never be able to explain everything. We may come close, and things will no doubt continue to get more and more complicated, but there will always be problems left to solve. In a sense it would be a shame if we did discover a theory that explained everything. It would mean we would have no new problems to work on. Somehow I don't think we'll ever have to worry about this; I don't believe it will every happen.
Furthermore, I'm just as convinced that there is other life in the universe beyond Earth -- in fact, I'm also convinced that much of this life is advanced (as advanced as we are). We are finding large numbers of planets around nearby stars, and with 200 billion stars in our galaxy, there has to be millions and likely billions of planets out there. And beyond our galaxy there are hundreds of billions of other galaxies with just as many stars as our galaxy. The probablity that some of them have advanced life in them is overwheming. After all, all you need is the proper conditions for life to form; they include water in liquid form, a satisfactory atmosphere and moderate temperatures. If I had to guess I'd say there are millions of advanced civilizations out there somewhere. Anyway, it's interesting to think about.
1 comment:
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