Menlo Park CA (SPX) Nov 16, 2021
Far below you lies a sphere of solid iron and nickel about as wide as the broadest part of Texas: the Earth’s inner core. The metal at the inner core is under pressure about 360 million times higher than we experience in our everyday lives and temperatures approximately as hot as the Sun’s surface. Earth’s planetary core is thankfully intact. But in space, similar cores can collide with ot
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