Results 71 to 80 of about 37,813 (241)
Advances in Astronomy, Volume 2026, Issue 1, 2026.We examine the weak cosmic censorship conjecture (WCCC) violation by throwing a charged and rotating test particle into a Kerr–Newman–modified gravity black hole (KN–MOG BH). The result depends on several factors, such as the relative sign of the particle’s charge and its direction of rotation with respect to black hole (BH).
Waqar Ahmad +2 more
wiley +1 more source
Missing Titanium in the Asymmetric Supernova Remnant W 49B
The Astrophysical JournalThe progenitor of the W 49B supernova remnant is still under debate. One of the candidates is a jet-driven core-collapse supernova. In such a highly asymmetric explosion, a strong α -rich freeze-out is expected in local high-entropy regions, which should
Toshiki Sato +4 more
doaj +1 more source
, 2013 The well-established Type Ia remnant of Tycho's supernova (SN 1572) reveals discrepant ambient medium density estimates based on either the measured dynamics or on the X-ray emission properties. This discrepancy can potentially be solved by assuming that
Chiotellis, A. +4 more
core +2 more sources
Discovery of a Wind-blown Bubble Associated with the Supernova Remnant G346.6-0.2: A Hint for the Origin of Recombining Plasma [PDF]
, 2021 Hidetoshi Sano +5 more
openalex +1 more source
Evaluation of MSC‐Secretome Effects in an Ex Vivo Compartmentalized Osteochondral Interface Model
Stem Cells International, Volume 2026, Issue 1, 2026.Osteoarthritis (OA) represents a significant challenge in both orthopedic research and clinical practice, necessitating the development of effective therapeutic strategies. Here, we describe an ex vivo model based on osteochondral (OCh) explants housed in a three‐dimensional printed device that enables the separation of bone and cartilage compartments.
Francesca Cadelano +11 more
wiley +1 more source
Tentative evidence of spatially extended GeV emission from SS433/W50
, 2019 We analyze 10 years of Fermi-LAT data towards the SS433/W50 region. With the latest source catalog and diffuse background models, the gamma-ray excess from SS433/W50 is detected with a significance of 6{\sigma} in the photon energy range of 500 MeV - 10 ...
Liu, Bing +4 more
core +1 more source
Chemistry – A European Journal, Volume 31, Issue 72, December 23, 2025.The hexafluorides MoF6 and WF6 autoionize in the presence of the tridentate terpyridine ligand, yielding [MF5(terpy)]+[MF7]– (M = Mo, W). The octacoordinated [MF5(terpy)]+ cations adopt bicapped trigonal prismatic geometries. The [WF7]– can be substituted for [SbF6]– using SbF5SO2, whereas the reaction was unsuccessful for displacing the [MoF7]– anion.
Miriam D. van Hoeve +4 more
wiley +1 more source
An X-Ray Shell Reveals the Supernova Explosion for Galactic Microquasar SS 433
The Astrophysical Journal LettersHow black holes are formed remains an open and fundamental question in astrophysics. Despite theoretical predictions, it lacks observations to understand whether the black hole formation experiences a supernova explosion.
Yi-Heng Chi +7 more
doaj +1 more source
On the Mass Distribution of Stellar-Mass Black Holes
Open Astronomy, 2014 The observational stellar-mass black hole mass distribution exhibits a maximum at about 8 M⊙. It can be explained via the details of the massive star evolution, supernova explosions, or consequent black hole evolution.
Malkov O. Yu.
doaj +1 more source
SUPERNOVAE EXPLOSIONS THEORY AND COMPACT REMNANT OF SN 1987A
Odessa Astronomical Publications, 2012 Hydrodynamics of massive star explosion within a non-spherical supernova model is presented. The explosive burning is computed in the He-core of a progenitor.
V. M. Chechetkin +3 more
doaj +1 more source