NASA Maps Space Ice That Formed Earth's Oceans
NASA's SPHEREx observatory just revealed stunning maps of cosmic ice floating between stars in the Milky Way. This ancient ice is where all the water in Earth's oceans originally came from.
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Earth's Core Holds Up to 45 Oceans of Hidden Water
Scientists discovered Earth's core contains enough hydrogen to equal 45 oceans of water, suggesting our planet formed with water already inside rather than getting it from comets. This breakthrough helps solve the mystery of where Earth's water really came from.