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Deep beneath Earth’s surface lies its core, divided into a liquid outer core and a solid inner core. The inner core, made mostly of iron and nickel, reaches temperatures of about 5,400°C—hotter than the Sun’s surface. Surrounding it, the molten outer core generates Earth’s magnetic field, protecting life from harmful solar radiation. Without this hidden powerhouse, our planet would lose its shield, atmosphere, and ability to sustain life. Though unreachable by humans, seismic waves allow scienti
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Deep beneath Earth’s surface lies its core, divided into a liquid outer core and a solid inner core. The inner core, made mostly of iron and nickel, reaches temperatures of about 5,400°C—hotter than the Sun’s surface. Surrounding it, the molten outer core generates Earth’s magnetic field, protecting life from harmful solar radiation. Without this hidden powerhouse, our planet would lose its shield, atmosphere, and ability to sustain life. Though unreachable by humans, seismic waves allow scienti
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