98.70.−f Unidentified sources of radiation outside the Solar System
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N.S. Kardashev, I.D. Novikov, S.V. Repin “Wormholes with entrances close to each other” 63 617–621 (2020)
98.70.−f
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E.M. Churazov, R.A. Sunyaev et al “Annihilation emission from the galactic center: the INTEGRAL observatory results” 49 319–324 (2006)
01.10.Fv, 78.70.Bj, 98.35.−a, 98.70.−f (all)
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S.N. Fabrika, P.K. Abolmasov et al “Ultraluminous X-ray sources in galaxies — microquasars or intermediate mass black holes” 49 324–329 (2006)
01.10.Fv, 97.80.−d, 98.70.−f, 98.70.Qy (all)
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L.I. Matveenko “Apparent superluminal separation velocities of the components of extragalactic objects” 26 612–633 (1983)
98.70.−f
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G.S. Egorov, N.S. Stepanov “Simulation of a gravitational lens in a lecture demonstration” 25 705–707 (1982)
01.50.My, 95.30.Sf, 98.70.−f (all)
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