Proponents of solar power know that only a tiny fraction of the sun’s total energy strikes the Earth. What if we, as a civilisation, could collect all of the sun’s energy? If so, we would use some form of Dyson sphere, sometimes referred to as a Dyson shell or megastructure.

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Starlifting is removing material from a star for industrial use or for stellar husbandry. The energy required for this process comes from the star itself, either directly from its luminosity or from fusion or matter conversion of the lifted material.