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how was the earth created in the BIG BANG theory?
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If you are really interested in this subject, why don't you read "A short history of nearly everything" - by Bill Bryson. Get the special illustrated edition if you can. FYI: it is a bit more complicated than you can find answer to on yahoo!Answers. The age of the earth is estimated to be 5.5 billion years. It changed very slooooowly over time; it is still changing - think "global warming", earthquakes, etc.... |
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The Earth was not created in the Big Bang, but the hydrogen gas that formed the earliest stars and galaxies was. As stars use up their hydrogen fuel through nuclear fusion they eventually collapse and explode into supernovae. The enormous energies released during this process converts hydrogen and helium into denser elements, such as iron, lead, sulfur, etc., which are ejected into space. Several billion years after the big bang the gasses and heavier elements in our solar system coalesced into the Sun and planets. So technically, while the Earth did not emerge directly from the Big Bang, all of the atoms that make up everything in the Solar System can be traced back to that time. |
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It wasn't, the elements were. But there are many different variations of the Big Bang that we can delve into. Such as the M-theory. This is the theory in which two membranes or "branes" or "p-branes" collided during a ripple in their structure causing the Big Bang. There is also the Big Bounce in which the Universe creates itself and then recedes repeatedly, some other variations of that, one which is where the Bounce does not repeat the act (Big Crunch), or the one where it repeats but turns inside out every other bounce. Then there is the Big Rip where the Universe is to expand to the point were it somehow dissipates out of existance. Then you've got the Big Freeze, and if you can't guess what happens with that kind of title, you shouldn't be asking the question yet. Which can be also described as Heat Death which is described below. "The heat death is a possible final state of the universe, in which it has "run down" to a state of no thermodynamic free energy to sustain motion or life. In physical terms, it has reached maximum entropy. The hypothesis of a universal heat death stems from the 1850s ideas of William Thomson (Lord Kelvin) who extrapolated the theory of heat views of mechanical energy loss in nature, as embodied in the first two laws of thermodynamics, to universal operation." |
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