The Big Bang is the scientific theory about the beginning of the universe that is accepted by almost all cosmologists. The theory says that the universe began by growing out from a single point about 13.7 billion years ago. The point was very small, dense, and hot. All space, time, and matter was created when the point got bigger.
There, as easy and simple as I can do.
2007-02-12 14:28:04
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answer #1
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answered by Anonymous
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It is generally believed something (they call) a singualarity (some type of rundimentary small thing like an atom that is made up of all the mass of the universe) once exploded with a big bang and at that point all mass and energy was released and space and the universe began to expand outwards and this stuff from this bang formed stars, galaxies, planets, gases such as hydrogen, then helium envetually nitrogen, oxygen and many of the other lighter periodical chemical elements.
Eventually stars began to cool and take shape and either threw out little bits of matter or smaller matter that couldn't be stars because they didn't have enough mass became the planets, including Earth.
All of this was postulated by a CAtholic Priest who was a physicist and he also postualted that we'd see things moving away from use (years later Dr. Hubble made that discovery) and we'd find gamma radiation at the extreme edges of space because that would have been the first thing to be emitted at the big bang and that, too, was discovered only recently.
This gave credibility to the theory. The name was coined by a rival, Dr. Fred Hoyle, who postulated the Steady State theory of the Universe which was quite popular in 1940, 1950 and most of the 1960s. Hoyle referred to the "other theory" as the Big Bang, his idea of a joke.
However after the Gamma Radation was discovered Big Bang displaced Steady State.
Big Bang as not heavily viewed because it came from a PRiest and seems too much like Genesis in the Bible.
But once the Priests two proof which he postulated long before they could be observed, happened, they couldn't ignore the theory.
The Catholic Church has no problem with Big Bang.
After the Earth is formed through some miraculous process inorganic chemicals produce orgianc building blocks of life. Something that has NEVER been done by science in the lab on a repeated basis.
Then Darwinin evolution takes over as the initial amoebas and microbes and bacterium become man over a million and million years.
2007-02-12 14:36:10
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answer #2
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answered by Anonymous
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There is no simple explaination. It requires a good knowledge of physics, math (calculus and differential equations), chemistry, cosmology, and astronomy at a minimum. A good simile is that of a spring that gets longer as it expands and shorter as it contracts. The universe expands and contracts in a similar fashion but this takes billions of years for each cycle. The cycle starts with a small "ball" that contains all protomatter and energy tightly packed with no space between anything. At some point of compression, the "ball" becomes unstable. This instability of the package causes an explostion which generates matter that is 99%+ hydrogen and high energy photons in the form of gama waves. As the matter expands pockets are brought together by gravity to form galaxie clusters that give rise to stars. as the matter and energy move further from the point of origin interactions occur such as giant stars burning out into super novae and creating the heavier elements. Today the universe is 90% hydrogen, 9% helium, and 1% of all the other elements. The universe continues to expand but as some point its core inertia will peter out and gravity will take over pulling the matter and energy back to a point of origin once again to become another big bang.
Points to consider are:
The "ball" has no matter in motion which means that it is beyond time. Time is merely matter in motion. Time is not a constant. It just seems that way because out little corner of the universe (solar system) is relatively stable.
The extreme values of the universe and the particles of which it is comprised are unimaginable to most people. An average galazy may have 100,000,000,000 stars and there are an estimated 125,000,000,000 galaxies (estimated) in the universe. Atomic reactions are measured in fractions of a second (0.000.000.000.000.000.000.001)
The big bang "ball" is the ultimate black hole.
Matter today in our corner of one solar system in one galaxy of the universe is made up of a neculus with one of more electrons spinning around it. 99.9999% of the atom is empty space. Then there is the space between atoms in a molocule, and molocules in the compound.
2007-02-12 14:54:25
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answer #3
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answered by Anonymous
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I can't explain it, and I don't really know if there is anything wrong with it. I do know that when it was first proposed, many atheist scientists didn't like it because it sounded too much like creationism. Before the Big Bang theory, they thought the universe was eternal. Now, it's an accepted theory, from what I hear. Why are scientists so afraid of anything that may look like creation? Isn't science a search for truth, even if you don't like the truth that you find?
2016-05-24 03:43:00
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answer #4
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answered by ? 4
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The story of the Big Bang begins nanoseconds after the beginning of the universe - i.e. right after whatever happened for the first matter to come into existence. Essentially, that tiny piece of matter went bang and has been expanding out as a cloud of smaller particles ever since. Eventually things cooled enough for protons and neutrons to bond. Then cooled some more so that electrons could bond to those and make atoms. Later, more complex elements formed from those molecules joining, all the while all these particles flew out farther and farther into the expanding universe.
2007-02-12 14:45:02
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answer #5
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answered by Phoenix, Wise Guru 7
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The big bang theory is a set of possible solutions of Einstein's General Theory of Relativity which model the expansion of the observable portion of the universe. It is misleading to think of it as an explosion. It is really an expansion of space itself. Initially space expanded incredibly rapidly, the expansion itself produced the matter and energy we observe today. The total mass and energy is believed to sum up to exactly zero. Positive mass and energy are exactly counter balanced by negative gravitational potential energy due to the expansion. Observations of recession rates of type 1A supernovae lead us to conclude the expansion began about 13.7 billion years ago.
It is not clear exactly what is causing the expansion. The leading hypothesis is something called "dark energy". Honestly though we really don't know what dark energy might be exactly. Einstein's equations show however that negative pressure ( sort of like your vaccuum cleaner ) will cause gravitational repulsion.
Steven Hawking and Roger Penrose were able to prove using mathematics developed by Roger Penrose, that if certain fundamental assumptions were true that at beginning of the expansion Einsteins equations must break down. This is what mathematicians call a singularity. Physicists currently are working on mathematical systems such as M-Theory and Loop Quantum gravity which might not contain such an initial singularity
2007-02-12 14:32:50
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answer #6
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answered by Anonymous
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The big bang was when a particular point in space exploded and formed the universe. The theory came about when scientists discovered that the universe is expanding.
2007-02-12 14:30:07
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answer #7
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answered by Abby C 5
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Our universe is one of several. And you think of it as a thick membrane that ripples. When membranes collide, it causes what happened in the big bang. Our baby universe only had hydrogen and helium. Hydrogen itself is a fuel in a fusion reaction like the sun. And it this is were all the elements were created.
2007-02-12 14:31:04
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answer #8
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answered by nicewknd 5
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Think of it as a balloon expanding, everything receding from everything else. It was not an explosion in space; it was more like an explosion of space. it did not go off at a particular location and spread out from there into some imagined pre-existing void. It occurred everywhere at once.
2007-02-12 14:31:30
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answer #9
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answered by Anonymous
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At the end of this age the heavens and earth will pass away with fervent heat. That will be the big bang. Then God will create a new heaven and earth. Then eternity will begin.
2007-02-12 14:29:40
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answer #10
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answered by Desperado 5
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