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The universe began
The universe began 13-14 b.y.a., Quasars form, Dust and gases collect, Active galaxies form. -
Galaxies evolve and move apart
Galaxies evolve and move apart 13 b.y.a. -
milky way forms
milky way forms 10 b.y.a. ,local group -
solar sysmtem began
our solar system beagn forming in a galaxy that is now called the milky way galaxy 5 b.y.a.