3 ms·
Way too small - they'd have to contain a star, so they'd need to be at least as massive as one.
by karamazov 15y ago
Way too small - they'd have to contain a star, so they'd need to be at least as massive as one.
- latch 15y agoFor a smaller enclosure, is there no alternative to a star? What's the purpose of the star anyways? Heat and light? What if the sphere was perfectly insulated. Perhaps once you replace a star with something else, it ceases being a dyson sphere (by definition) (obviously, I'm not a physicist!)
- extension 15y agoStars are balls of matter massive enough to sustain nuclear fusion from their own gravity. The fusion reaction is what releases all the energy.
- stcredzero 15y agoYou could still settle one of these. They'd probably be a very good source for He3, and might have rocky bodies for raw materials.