More information: Ian Marius Peters, The photovoltaic Dyson sphere, Solar Energy Materials and Solar Cells (2025). DOI: 10.1016/j.solmat.2025.113589 Provided by Universe Today ...

This sphere would enclose a star, providing billions of planets' worth of surface area and capturing vast amounts of solar ...

Dyson spheres, the hypothetical mega-structures that advanced alien civilizations might use to enclose a star and harness its energy, suffer from a fatal flaw: They are catastrophically unstable ...