Help !! Doubts about Big Bang

[Angrboda]

This may be an outsider's perspective, so take it with as many grains of salt as necessary. I think it's something of a dirty secret, and in some quarters even denied, that engaging in science requires making judgements that aren't fully rooted in observation and model. But this is not the judgement of two yokels arguing in a bar about a Supreme Court decision, it's more like the judgement of your auto mechanic, who, after years of experience and training, is able to make (educated) guesses as to what is wrong with your car. His guesses may not always be right, and some may disagree with him, but you have to make some guess in order to proceed with further diagnosis and eventual repair. So what I'd suggest is, that the general consensus on the big bang model reflects everyone with the expertise to do so, making their own "guesses" and out of that, a consensus emerges simply because of the number of scientists who endorse the guess marked "the big bang theory." Other scientists may guess differently. That's a good thing about science, you can have a plurality of views without anyone being burned at the stake. Just because that is the consensus doesn't mean it's right, but for those who have some confidence in those guesses (not necessarily belief or certainty, just confidence), it makes sense to say, "Let's start with this as a given, and see what tests and observations we need to flesh out our understanding." If you're lost in the desert, you have to pick a direction to go, and just start walking. This is a necessity if you want to get back to civilization. The scientist's guess about which way to go may indeed be wrong, but we have to pick a direction and go. Otherwise we'll die in the desert. That doesn't make those scientists going in a direction a bad thing. Perhaps the only problem here is to simplify things, and pretend that science doesn't involve judgement and uncertainty. There is a tendency to make science "appear" more certain than it is, among professionals, media, populizers, and even the public; it's a part of the political nature of the human endeavor called science, perhaps. I know that happens, though I doubt it's intentional. It just happens.

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