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Force-free magnetospheres are of particular interest due to their role in energy extraction from Kerr black holes via the Blandford-Znajek process. Recently, a class of exact analytic solutions has been found with null currents [1,2]. In this paper, we elaborate some constraints on various fo...
Astronomers using NASA's Chandra X-ray Observatory discovered the first pair of supermassive black holes in a spiral galaxy similar to the Milky Way.doi:http://www.nasa.gov/mission_pages/chandra/news/H-11-278.htmlBrooke BoenBrian Dunbar
It appears "global warming" is now the most potent force in the universe, according to a scientist from the Max Planck Institute for Astrophysics. An actual scientific paper preprint published in the Cornell University science archive makes the connection to black holes in the title, and includes...
We study radio and X-ray emissions from intermediate-mass black holes (IMBHs) and explore the unified model for accretion and ejection processes. The radio band survey of IMBH (candidate) hosted galaxies indicates that only a small fraction (∼0.6%) of them are radio-band active. In addit...