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pcuser
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27 Feb 2015, 1:44 pm

Something new...
http://www.space.com/28681-theory-no-big-bang.html



slave
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27 Feb 2015, 7:12 pm

Hmmm....

thanks for posting this!



Humanaut
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27 Feb 2015, 10:02 pm

Georges Lemaitre told Hannes Alfvén that the Big Bang theory "was a way to reconcile science with St. Thomas Aquinas' theological dictum of creatio ex nihilo."



ruveyn
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03 Mar 2015, 12:49 pm

Humanaut wrote:
Georges Lemaitre told Hannes Alfvén that the Big Bang theory "was a way to reconcile science with St. Thomas Aquinas' theological dictum of creatio ex nihilo."


However the last nail was driven into the coffin of the "steady state" theory in 1965 when Penzias and Wilson used the large Holmdale ATT antenna to discover the Cosmic Background Radiation which was predicted by the "big bang" hypothesis and not by Hoyle's steady state hypothesis.

St. Thomas is one thing, solid observed facts are another.

Facts are the true currency of science.

ruveyn



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03 Mar 2015, 5:09 pm

There is no direct link between the cosmic background radiation and a creation event. Most of the radiation could be of local origin. Some of it could even stem from the Earth's oceans. There are simply too many layers of noise to get a clear reading, and the much lauded discovery of gravitational waves has now been declared dead.



ruveyn
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04 Mar 2015, 4:05 pm

Humanaut wrote:
There is no direct link between the cosmic background radiation and a creation event. Most of the radiation could be of local origin. Some of it could even stem from the Earth's oceans. There are simply too many layers of noise to get a clear reading, and the much lauded discovery of gravitational waves has now been declared dead.


the big bang hypothesis implied the CMBR at precisely the temperature at which it is measured. The Hoyle steady state hypothesis made no such prediction. So on that basis the big bang hypothesis is the one currently accepted.

Wilson and Penzias was the first to detect and measure the CMBR. Later and more accurate measurement are consistent with the big bang + initial expansion (Guth) hypothesis.

We will never know for sure if the big bang is true. Right now it is the one most supported by the evidence we have.



Humanaut
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04 Mar 2015, 5:39 pm

Do we actually have any scientific evidence at all? As it turns out, the foreground signal seems to be much more dominant than previously thought. Cosmology is still very much an open field in my opinion.



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10 Mar 2015, 2:37 pm

Humanaut wrote:
Do we actually have any scientific evidence at all? As it turns out, the foreground signal seems to be much more dominant than previously thought. Cosmology is still very much an open field in my opinion.


The Big Bang hypothesis fits the evidence we do have closer than any other hypothesis currently being considered. There is little doubt that the cosmos is expending and its rate of expansion appears to be increasing. That this means is we have a visibility horizon and there are portions of the cosmos (perhaps the greater portion) that we will never see since it is receding faster from us than the speed of light (there are no speed limit on on how fast space can expand).

ruveyn