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gr-qc2026
Testing Black Holes with Interstellar Missions: II. Flyby Probes
Yi Fan, Cosimo Bambi, Leda Gao +2
Recently, we demonstrated that while an interstellar mission to the nearest black hole remains highly speculative and extraordinarily challenging, it is not entirely implausible wi…
gr-qc2026
Testing Black Holes with Interstellar Missions: I. Orbiting Probes
Leda Gao, Cosimo Bambi, Yi Fan +3
Recently, we showed that the possibility of an interstellar mission to the closest black hole, while highly speculative and extremely challenging, is not completely unrealistic wit…
gr-qc2026
Testing non-circular black hole spacetime with X-ray reflection
Leda Gao, Swarnim Shashank, Cosimo Bambi
X-ray reflection spectroscopy is a powerful tool for testing the Kerr hypothesis and probing the strong gravity regime around accreting black holes. Most tests of General Relativit…