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Professor proposes how a black hole in orbit around a planet could be a sign of an advanced civilizationWhereas such a feat would be something only a Type III Civilization (or more advanced) could achieve, a black hole engine would be much simpler and perhaps something a Type II Civilization could ...
There are three map sizes in Civ 7, and they apply to each type. These are the usual trio of “ tiny, small, and standard .” ...
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