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Singularity is a spot of infinite density and infinitesimal volume in which space and time become distorted to a great deal. Singularities existed at the beginning of the universe and are also believed to exist in the center of black holes.
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Traditional Big Bang theory posits that our universe began with a singularity — a point of infinite density and temperature whose nature is difficult for our minds to grasp. 13.7 Billion Years Ago
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4.6 Billion years ago the Solar Nebula nestled in an outer way arm of the milky way galaxy. The Solar Nebula is a super heated sprialing cloud of hydrogen gas and dust
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A theory called the solar nebula theory hypothesizes that the sun formed near the center of the solar nebula when an intense gravitational force condensed enough hydrogen gas to begin nuclear fusion then the left over gas and dust continued orbiting the early sun for the next few million years. 4.5 Billion Years ago
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Earth was orbiting about 93 million miles from the sun and it was a molten, rocky mass of burning magma so basically the matter left over from the Big Bang was once magma here on Earth then it cooled. 4.2 Billion Years ago
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violent volcanic activity shaped the Earths surface as it cooled and solidified over billions of years. Over time out gassing released a huge volume of different gases trapped within the planet then Earth's gravitational pull held all the gases close to the surface then formed a dense stable atmosphere. 4 Billion years ago
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When earth first started it rained for millions and millions of years non stop because the earth was hot and needed to cool down. Some scientist think that out gassing of water vapor from within the planets surface resulted in the million year down pour while others believe comets bombarded the planets surface bringing debris including trapped water vapor and over time comets brought enough trapped water vapor filled the earth’s basins with water. 3.8 Billion Years Ago
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Water flowed from rocky land masses to ocean basin and carried many dissolved elements and compounds which altered the waters chemistry which helped life rise on this planet. 3.8 Billion Years Ago