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Weird question: what is the dollar value of the whole world? Not the market cap of corporate entities...the world itself.
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Let's say an alien civilization wanted to liquidate the earth for fair earth market value. Iron and nickel in the core are probably the biggest assets, so ignoring everything else, you'd end up with roughly* $3.4661434e+25 (34 septillion and change). *I probably made a mistake.
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Oh yeah, good point – I hadn't considered the core... but also any alien civilization capable of cracking open the earth and mining the core probably wouldn't care to spend $$ on it...? We'd probably be in the bargain bin; I imagine they'd just take/use the sun. I don't know
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