Earth was born about 4.6 billion years ago from a cloud of cosmic dust and gas swirling around the young sun���. Collisions between tiny particles gradually formed planetesimals, then protoplanets—one of which became our Earth��. Intense bombardments melted its rocks, forming a metallic core and a solid crust. Later, a giant impact created the Moon from leftover debris��. As the Earth cooled, oceans and continents emerged, setting the stage for life to evolve from simple cells to the diverse organisms we see today��. This remarkable journey shaped the planet’s dynamic surface and unique environment.
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