I'm not seeing the evidence as conclusive. Why would people put opaque objects around their sun? I could understand it being around their planet. I just need more conclusive evidence before I will assume intelligent civilization.
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@casandrarose You should read the links. There are explanatory links for everything.
A Type I civilization is one where they have learned to harness the resources of the entire planet. A Type II means they have learned to harness the resources of the entire solar system.