PREVIEW
... ly very rare for civilizations to open new routes.
What’s more, the universe is truly vast and boundless.
How many fixed star systems are there in the entire Milky Way Galaxy?
Over 400 billion.
No civilization can fully explore it all, and crucially, there is no need. If one relies on this exploration method to find civilizations, the cost is enormous.
Moreover, for powerful civilizations, only other powerful civilizations hold value.
Powerful civi ...
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