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Old 02-18-2009, 11:53 AM   #524
OnyxCougar
Junior Master Dwellar
 
Join Date: Mar 2003
Location: Kingdom of Atlantia
Posts: 2,979
I propose we take it one step at a time, if we want to get into serious discussion about it. Let's start with Cosmic Evolution.

Quote:
As a Harvard trained astrophysicist who currently directs the Wright Center for Science Education at Tufts University, Eric Chaisson presented on evolutionary theory writ-large, aka cosmic evolution. Combining a spirited lecture with stunning visual presentations, Chaisson condensed the grand sweep of our cosmic heritage into a gripping 55-minute tour of the history of the entire universe from big bang to humankind.
Starting off with definitions, Chaisson defined cosmic evolution as "the study of the many varied developmental and generative changes among all radiation, matter, and life throughout the history of the universe." Although the rate of change varies throughout the history of the universe, the fact of change is constant.
For purposes of this discussion I would restate Cosmic Evolution is the theory regarding the origins and subsequent progression of the Universe.

Quote:
Summarizing the many years of work by observational physicists, Chaisson showed that sequentially there were particles first, then galaxies, then stars, then planets, then life. There is a continuous and irreversible thread of change in the universe. For example, so far as we can tell from our observations using the Hubble telescope, no more galaxies are forming today. There was a time in the universe’s early age when the seeds of galaxies, called quasars, were "planted" and none is observable in the present epoch. This indicates a clear trend over time. At one stage in the universe galaxy formation was possible, and then eventually, that window of opportunity closed.
There are two schools of thought here: one is that there was a big bang, and the other is that God created the Universe (heavens and earth) on day 1.
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