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To: stockpirate

Educate yourself. The Big Bang was not an explosion. The Big Bang refers to the observation that on cosmic scales objects are all receding from earth, and furthermore the rate at which they are receding is directly proportional to their distance from earth. As you might expect there are objects that are traveling toward earth, or along tangential paths, but these are local objects that are gravitationally bound within our galaxy. Outside the galaxy, the situation is as I described— all galaxies are receding from us, with more distant ones receding faster.

Now you can believe the model or not, but at least get the details right and don’t argue against straw men. The Big Bang simply refers to the fact that if everything is currently receding from us, the best explanation for that is that the space (technically spacetime) between us and those other objects is expanding. This means that matter in the universe is becoming less dense over time, and that the universe is getting colder over time. Logically, then this implies that in the past the universe must have been more dense and hotter. This hot dense state is the origin of the Big Bang.

This state was hot enough that ordinary matter would not have existed. Matter would have formed via pair production from the energetic radiation that was dominate in the early universe. The first matter would not have been in the form of atoms but rather free electrons and quarks. The quarks combined into free protons and neutrons as the universe further expanded. These neutrons and protons combined to form helium nuclei, with most protons left free. Hence we get the primal abundance of hydrogen and helium predicted by the model - another observation explained by it.

This plasma was not transparent to electromagnetic radiation, which still permeated the universe. Even if stars had formed at this point, light from them would have been absorbed by the plasma comprising all the matter in the universe. As the universe cooled more though neutral atoms formed with the result that the universe became transparent. Therefore the radiation permeating the universe was free to travel everywhere within it. Well, that radiation is still permeating the universe. It is now much less energetic because of the cooling and expansion of space, so it no longer is gamma radiation or x-rays, but rather is microwave radiation- another observation predicted and explained by the model.

There are other more technical observations supporting the BB, but I’m not an astrophysicist so I’m not sure I can adequately explain them. The point though is that “There was no Big Bang because an explosion wouldn’t dlook like this” attempt to discredit the mode is really a lame and bogus argument. Please do educate yourself on the actual model, what it predicts and how well those predictions match actual observations. You might well learn something in the process and you might be less inclined to present overly simplistic arguments against scientific theories like the Big Bang


40 posted on 01/30/2023 1:33:03 PM PST by stremba
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To: stremba

The Big Bang, et al >> Just seems like simple men trying to explain the unexplainable. It’s all supposition.

Some poster said back up the thread a possible reason for this deep-space viewing is to perhaps gather some insight and by doing so, discard the unknowable big bang theory. To be replaced by another, likely equally unknowable, theory.

Thus, pretty much just jogging in place, getting nowhere.


42 posted on 01/30/2023 1:59:48 PM PST by citizen (Our Constitution was made only for a moral and religious people - John Adams 1798)
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To: stremba
Good post.

The Big Bang was not an explosion.

The big bang was all matter and energy emerging from a "singularity." I and others see this as the universe emerging from absolute nothingness. No dimensions. No time. Nothing.

Outside the galaxy, the situation is as I described— all galaxies are receding from us, with more distant ones receding faster.

The galaxies in the local group which include our Milky Way and Andromeda are moving closer together. Light from Andromeda is blue shifted, meaning moving towards us. Eventually the Milky Way and Andromeda will merge. There are several former satellite galaxies that are known to have merged with the Milky Way.

Well, that radiation is still permeating the universe. It is now much less energetic because of the cooling and expansion of space, so it no longer is gamma radiation or x-rays, but rather is microwave radiation- another observation predicted and explained by the model.

As the universe cooled more though neutral atoms formed with the result that the universe became transparent. Therefore the radiation permeating the universe was free to travel everywhere within it. Well, that radiation is still permeating the universe.

You are describing the cosmic microwave background. The decoupling released photons now "free to travel" anywhere. It's those photons that form the CMB.

It's a good thing that matter after inflation and at the time of the decoupling was not evenly distributed. That can be seen in the "clumpiness" of the CMB. If it were evenly distributed, the universe a it is today would not have formed. It also had angular momentum, which allowed galaxies to form from gravitationally bound stars, planets around stars, and moons around planets.

I'm not a cosmologist or astrophysicist. I've taken an interest in cosmology in retirement, reading some undergraduate texts. Fortunately, I can understand the math!

45 posted on 01/30/2023 4:13:19 PM PST by IndispensableDestiny
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To: stremba

Isn’t what you stated a “Theory”

Very informative.


47 posted on 01/30/2023 5:28:55 PM PST by stockpirate (Where Justice Ends Tyranny Begins...Repression Breeds Violence)
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