The most common imagining for this is called a Dyson sphere, a massive shell or swarm of satellites surrounding the star to capture and convert all its energy. If you wanted enough material to build such a thing, you’d essentially have to disassemble a planet, and not just a small one — more like Jupiter
How hard it will be to build Dyson sphere
And it is: As an immense, hollow ball, the structure is impossible. “An actual sphere around the sun is completely impractical,” Stuart Armstrong, a research fellow at Oxford University’s Future of Humanity Institute who has studied megastructure concepts, tells Popular Mechanics
How big a Dyson sphere be
Dyson sphere might be, say, the size of Earth’s orbit around the sun. We orbit at a distance of 93 million miles (about 150 million km).
What would happen if we built a real Dyson sphere
If it could be stabilized, a Dyson Sphere built at 93 million miles from the sun, the same distance as Earth, would contain about 600 million times the surface area of our planet in its interior. However, comparatively little of the surface would be habitable on account of a lack of gravity
How many humans can live on a Dyson sphere
According to Futuretimeline a type 2 Kardashev society could be achieved around the year 3100 when science is advanced enough to allow the creation of a Dyson Sphere and due to its size it could house many trillions of people perhaps quadrillions of people
What level of cilvilazation has Dyson sphere
Type II – a civilization capable of harnessing the energy radiated by its own star (i.e., the stage of “Dyson Sphere”), with energy consumption at ~ 4 × 1033 erg/s. Type III – a civilization in possession of energy on the scale of its own galaxy, with energy consumption at ~ 4 × 1044 erg/s
Why aren’t we building a Dyson sphere
The construction of a Dyson Sphere would be an enormous undertaking that would require a vast amount of resources and advanced technology, and would supposedly enable human flourishing on a massive scale. At present, the construction of such a structure is well beyond our technological capabilities.
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