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A Cross-Series Comparison Chart
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[QUOTE]Originally posted by Sol System: [QB] The whole point of Dyson's speculation was that it would take only the amount of material available in our solar system to construct a cloud or sphere or what have you that would surround the sun and swallow up all its energy. So you don't need hundreds of planetary systems by any means. A couple of jovians and a smattering of rock and you're good to go. Beyond that, the other point is that a star thus surrounded would literally disappear. All or almost all of its emitted energy would be collected, and thus no one could see it directly. Now, admittedly, in Star Trek they've got fancy gravitational sensors, and could perhaps more easily notice that a star didn't appear to be where something star-sized should be, but space isn't a trivial place to look for things. Consider black holes, which behave a lot like a dyson sphere in some ways. Sure, we've found some, but if you were to list every black hole in the Milky Way and pick one at random, the odds are we'd have no idea of its existence. Having written all this it occurs to me that we do have the problem of the Jenol*n, a ship apparently host to retirees, running into it, but it was a Real Starfleet Ship, so maybe they were taking the long way around to Old Man's World. [/QB][/QUOTE]
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