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| | galactic empire |
 | | That a galactic empire might exist has also been the subject of serious scientific speculation, despite the fact that we have so far not encountered any signs of a major alien presence among the stars. |
 | | In fact, there are several valid reasons why we might not be aware of a technologically superior race in our midst (see extraterrestrial intelligence, more advanced than us). |
 | | There is the possibility, too, that if a Galaxy-wide empire does not exist now, it may do so in the future if mankind is able to establish efficient, faster-than-light modes of interstellar communication and transport. |
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