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Big Bang
14 B.Y.A. universe was a dense hot mass that exploded with violent force -
Period: to
universe devlopment
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Dust and gases collect
13.5 B.Y.A dust and gases from the explosion collect together to make masses. -
Quasers and active galaxies form
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Milky way forms
10-5 B.Y.A -
Our sun forms
5 B.Y.A - Present