Iain Banks · 1996 · Novel
Setting: far future (Culture era)
Two and a half millennia ago, the artifact appeared in a remote corner of space, beside a trillion-year-old dying sun from a different universe. It was a perfect black-body sphere, and it did nothing. Then it disappeared. Now it is back.
Source: OpenLibrary
Tags: Science fictionFictionLong Now Manual for Civilization
openlibrary_id: OL8368435W
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