Earth:Its a planet 1

Earth:Its a planet 1 - In the beginning there was nothing...

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In the beginning there was nothing… and then, there was something… this is not entirely correct… Conservation of Mass/Energy E=MC2 The speed of light ( C ) is 186,000 miles/s 13.7 billion years ago the universe formed and has been expanding ever since. The expansion is from a hypothetical center of the (big bang) universe and spreads outwardly for about 40-50 billion light years. One light year is about 10 trillion kilometers or 6 trillion miles. Eventually the universe will begin to contract and the process will go into reverse. The contraction likely will be caused by the formation of numerous black holes that are made of some of the most dense material known to exist. Black holes will pull all material in the universe into one mass and condense that mass into something that is infinitesimally small. This infinitesimally small mass will eventually reach a critical mass and then a big bang will happen, again. And the process will repeat itself, theoretically multiple times. Therefore, the universe is still expanding.
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This note was uploaded on 01/21/2012 for the course GEOL 01:460:100 taught by Professor Christopherlepre during the Spring '12 term at Rutgers.

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Earth:Its a planet 1 - In the beginning there was nothing...

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