Before the Big Bang, all of the occasion and balance beam of light of our present universe were packed together in the old fireball--an extremely heated up dense state from which the universe cursorily expanded.1 The Big Bang was the start of time and space. The matter and radioactivity of that early pose rapidly expanded and cooled. several(prenominal) gazillion years later, it condensed into galaxies. The universe has keep to expand, and the ga...If you want to get a full essay, order it on our website: Orderessay
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