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> If you find an infrared source but no associated visible star you’ve got a strong candidate for being a Dyson sphere You mean like brown dwarfs?
by JPLeRouzic 3y ago
> If you find an infrared source but no associated visible star you’ve got a strong candidate for being a Dyson sphere
You mean like brown dwarfs?
- cgriswald 3y agoYes, but a Dyson sphere, even around a red dwarf, would be far more luminous in the infrared than a brown dwarf. It would also have a different spectrographic signature, and importantly its heat distribution would appear artificial.