Word: elsewhen
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Dates: during 1974-1974
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...thousands of years at a stretch. Sagan also contemplates astro-engineered civilizations so far advanced that their accomplishments would seem to us "indistinguishable from magic." He can easily imagine intergalactic, rapid-transit routes where "an object that plunges down a rotating black hole may re-emerge elsewhere and elsewhen-in another place and another time...
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