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Physics Today , year = 1961, month = jan, volume =

4 Pith papers cite this work. Polarity classification is still indexing.

4 Pith papers citing it

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background 1 method 1

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2026 3 2025 1

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UNVERDICTED 4

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Redshifted civilizations, galactic empires, and the Fermi paradox

gr-qc · 2025-10-01 · unverdicted · novelty 4.0

Civilizations can achieve galaxy-spanning reach within biological lifetimes via time-dilated orbits near black hole photon spheres using classical general relativity, with a Type II civilization enabling 10^4 dilation factors.

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Showing 4 of 4 citing papers.