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Lorentz violation changes black hole disk images and polarization
Observable signatures of Lorentz violation in Hořava gravity revealed through black hole accretion disk images and polarization patterns, testable with future Event Horizon Telescope observations.
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Black hole merger spins point near perpendicular directions
Analysis of gravitational-wave data reveals that merging black holes predominantly exhibit near-perpendicular spin orientations, suggesting most form in triple-star systems.
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Magnetic charge changes orbits and waveforms near regular black holes
Study explores how magnetic charge in regular black holes alters gravitational waveforms from periodic orbits, offering new constraints on black hole properties through gravitational wave.
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Dark matter halo alters black hole optics and thermodynamics
Exact black hole solution in cored Plummer dark matter halo showing modified photon dynamics, shadows, lensing, quasinormal modes, and novel phase transitions absent in Schwarzschild spacetime.