Timeline for What reason would an alien civilization have for building a Dyson Sphere (or Swarm) if cheap Nuclear fusion is available?
Current License: CC BY-SA 4.0
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| Jun 21, 2019 at 17:27 | comment | added | anon | I enjoy the idea of converting it back to matter -- it could even be a self-building station (or several of them) which, over time, gradually expand to soak up more and more of the excess energy. If you're writing a book off of this, that could be a plot hook. Maybe someone forty thousand years ago miscalculated the rate of stellar decay and now too much energy is being absorbed because too much surface area is covered. | |
| Jun 19, 2019 at 18:14 | history | answered | Willk | CC BY-SA 4.0 |