‘Closest black hole’ system found to contain no black hole

Journal Reference: A. J. Frost, J. Bodensteiner, Th. Rivinius, D. Baade, A. Merand, F. Selman, M. Abdul-Masih, G. Banyard, E. Bordier, K. Dsilva, C. Hawcroft, L. Mahy, M. Reggiani, T. Shenar, M. Cabezas, P. Hadrava, M. Heida, R. Klement, H. Sana. HR 6819 is a binary system with no black hole. Astronomy & Astrophysics, 2022; … Read more

Death spiral: A black hole spins on its side

Journal Reference: Juri Poutanen, Alexandra Veledina, Andrei V. Berdyugin, Svetlana V. Berdyugina, Helen Jermak, Peter G. Jonker, Jari J. E. Kajava, Ilia A. Kosenkov, Vadim Kravtsov, Vilppu Piirola, Manisha Shrestha, Manuel A. Perez Torres, Sergey S. Tsygankov. Black hole spin–orbit misalignment in the x-ray binary MAXI J1820 070. Science, 2022; 375 (6583): 874 DOI: 10.1126/science.abl4679 The … Read more

Development of a diamond transistor with high hole mobility

Journal Reference: Yosuke Sasama, Taisuke Kageura, Masataka Imura, Kenji Watanabe, Takashi Taniguchi, Takashi Uchihashi, Yamaguchi Takahide. High-mobility p-channel wide-bandgap transistors based on hydrogen-terminated diamond/hexagonal boron nitride heterostructures. Nature Electronics, 2021; 5 (1): 37 DOI: 10.1038/s41928-021-00689-4 Diamond has excellent wide bandgap semiconductor properties: its bandgap is larger than those of silicon carbide and gallium nitride, which … Read more

Supermassive black hole caught hiding in a ring of cosmic dust

Journal Reference: Gámez Rosas, V., Isbell, J.W., Jaffe, W. et al. Thermal imaging of dust hiding the black hole in the Active Galaxy NGC 1068. Nature, 2022 DOI: 10.1038/s41586-021-04311-7 Active galactic nuclei (AGNs) are extremely energetic sources powered by supermassive black holes and found at the centre of some galaxies. These black holes feed on … Read more

Origin of supermassive black hole flares recognized: Largest-ever simulations suggest flickering powered by magnetic ‘reconnection’

Origin of supermassive black hole flares recognized: Largest-ever simulations suggest flickering powered by magnetic ‘reconnection’ – NovLink Home Mash M Origin of supermassive black hole flares recognized: Largest-ever simulations suggest flickering powered by magnetic ‘reconnection’ We wish to say thanks to the author of this post for this incredible web content Origin of supermassive black … Read more

Resolving the black hole ‘fuzzball or wormhole’ debate

Journal Reference: Bin Guo, Marcel R. R. Hughes, Samir D. Mathur, Madhur Mehta. Contrasting the fuzzball and wormhole paradigms for black holes. Turkish Journal of Physics, 2021 [abstract] The study attempts to put to rest the debate over Stephen Hawking’s famous information paradox, the problem created by Hawking’s conclusion that any data that enters a … Read more

Astronomers capture black hole eruption spanning 16 times the full Moon in the sky

Journal Reference: B. McKinley, S. J. Tingay, M. Gaspari, R. P. Kraft, C. Matherne, A. R. Offringa, M. McDonald, M. S. Calzadilla, S. Veilleux, S. S. Shabala, S. D. J. Gwyn, J. Bland-Hawthorn, D. Crnojević, B. M. Gaensler, M. Johnston-Hollitt. Multi-scale feedback and feeding in the closest radio galaxy Centaurus A. Nature Astronomy, 2021; DOI: … Read more

Travors