Sure! Here are some quick facts about Earth's formation:
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Origin: Earth formed about 4.5 billion years ago from the protoplanetary disk of dust and gas surrounding the young Sun.
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Accretion: Small particles collided and stuck together, forming larger bodies called planetesimals. Over time, these planetesimals combined to create the terrestrial planets, including Earth.
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Differentiation: As Earth grew, its interior heated up due to radioactive decay and the energy released from collisions. This caused the heavier materials (like iron and nickel) to sink towards the center, forming the core, while lighter materials formed the mantle and crust.
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Formation of the Moon: A significant impact event, often theorized to involve a Mars-sized body called Theia, is believed to have created the Moon around 4.5 billion years ago.
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Early Atmosphere: The early atmosphere was likely composed of hydrogen and helium, which was stripped away, allowing volcanic outgassing to contribute to the formation of a secondary atmosphere rich in water vapor, carbon dioxide, and nitrogen.
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H2O accumulation: Water is believed to have arrived on Earth through the outgassing of the mantle and possibly from icy comets and asteroids.
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Conditions for Life: After the planet cooled and water condensed to form oceans, conditions became suitable for the emergence of life, beginning with simple organisms around 3.5 billion years ago.
If you have specific questions or need more details about any of these points, feel free to ask!