How Earth was formed and 3 stages through which it came to its current state

Scientists suggest, Earth's early atmosphere was most likely composed of hydrogen and helium. Later volcanic eruptions started occurring frequently.

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,Milky Way ,Earth Formation ,Milky Way Galaxy ,How Earth Was Formed ,Fun ,Moon ,Earth Atmosphere ,Accretion ,Rotoplanet Collision ,Steroids ,Hydrogen ,Helium ,Volcanic Eruptions ,Primitive Life ,Oceans ,