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For questions about star-enclosing megastructures. For structures that merely form a ring or circular cloud around a star, use [dyson-ring].

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How much does the ecosphere weigh?

The weight of the earth's biomass is estimated around 1.8 E15 kg by several sources summarized here https://hypertextbook.com/facts/2001/AmandaMeyer.shtml Bedrock is not very biologically active. The …
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