Beginning and End of the Universe

July 26, 2010 § 3 Comments

Universe History

* The diagram below outlines the major Eras of the Universe according to the Big Bang Theory. Click the picture for many more details and a larger image. The one line in the article that caught my attention the most was at the end.

“One important point is that since everything that we learn about the Universe comes from light (photons), if there are no photons there is no information. Thus, before the end of the era of nuclei, we have no information since the photons were trapped. We will never see this era of the Universe with photons, but maybe gravity waves (?).”

That is a point that has been bothering me. Since we can’t “see” most of the Universe why do some (not all) scientists cling so tightly to one theory to the exclusion of all others? Isn’t it possible the standard model is wrong? Or, Isn’t is possible string theory is wrong? or M-theory? or even the Big Bang Theory? People use to think the theory of a geocentric universe was true. We agreed to get over that. Well, most of us did. I am just saying Science is about keeping an open mind about the facts. And the facts are, at the moment, most of the Universe is still invisible.

via Astronomy 309: COSMOLOGY.

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