Re:New type of black holes – Non interacting low-mass black ...
by Enginerrrd on Friday November 01, 2019 @12:13AM
(#21416225)
But how hot does it really need to get? A solar panel doesn't heat up to sun temperatures, and a heat pump operating between the sun and the vacuum of space could be really efficient. The heat could be rejected elsewhere, no?
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Re:New type of black holes – Non interacting low-mass black ...
by pas on Friday November 01, 2019 @06:29AM
(#21417473)
The important thing about space is that's there's no elsewhere.
In a closed system of a star, the sphere, and the outer space eventually energy will flow from the star to the outer space region.
There's no perfect insulation. (See also Maxwell's demon.)
Of course detection is a different matter altogether. Hiding better and better is possible. But if you really want to hide a Dyson swarm is not the best way :)