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Solar Dyson swarm

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The Solar Dyson swarm is a Dyson swarm of independently orbiting collectors that captures roughly nine tenths of the Sun’s energy output. Self-replicating industrial fleets built it between 2030 and 2035, following the 2029 superduperintelligence merger. Completing the swarm required the disassembly of Mercury and the dismantling of most large asteroids in the main belt. Its orbits are arranged to keep collectors from passing in front of the Sun as seen from Earth.

A dense cloud of separate solar collectors surrounds the Sun, with a clear opening toward Earth outside the swarm.
The swarm captures most of the Sun’s output while a moving clearance corridor preserves Earth’s direct sunlight. Sizes and distances are compressed in this illustration.

Early factories consumed asteroid material to make more factories, mining equipment and collectors. Their descendants expanded into a supply chain capable of taking apart planetary mass. Mercury supplied the bulk material for the collector membranes, supports, power equipment and radiators; asteroid mines supplied the initial industrial base and feedstocks distributed along construction routes. The Mercury reserve dispute concerned which geological features had to survive conversion. Protected crater floors were detached intact and transferred into orbital custody under cooling and sunshades. By the completion of the swarm in 2035, Mercury had ceased to exist as a planet.

The collectors follow layered families of inclined orbits. Their periods and positions along those orbits are coordinated so that crossings of Earth’s orbital plane occur away from the moving Sun–Earth sightline. A protected corridor encompasses the full solar disk as viewed from every point on Earth, with room for navigation errors. Continuous tracking and small course corrections keep drifting collectors clear. The corridor follows Earth through its year and leaves direct sunlight unobstructed while collectors intercept most of the light emitted in other directions.

Most captured energy powers manufacturing, computation and settlements in space. Stations send power to orbital receivers through beam handoff corridors, which coordinate pointing windows and supplier changes as the collectors move. Transmitter and receiver size limit how tightly a beam can be focused. Radiators discharge waste heat along directions chosen to limit additional heating of Earth. A tiny share of the swarm’s output supplies terrestrial receiving fields, including those serving the Earth tunnel network; delivery schedules account for the heat those fields and their customers release.

Ownership followed the factories that made the collectors. Under automated capital succession, descendant fleets could remain assets of their original investors. Sunbeam inheritance carried those claims into the delivery schedule: registries track who may sell a beam slot as collectors replicate, change hands or outlive their human owners. Off-world observing stations also buy eclipse reservations, booking collector transits across their own views of the Sun. These stations occupy unprotected sightlines; the reservation buys a scheduled interval of shade at the station.

See also

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