Results 91 to 100 of about 48,168 (266)

Protostellar jets: The best laboratories to investigate astrophysical jets [PDF]

AIP Conference Proceedings, 1995
19 pages, PostScript (9 figures upon request). Invited review for proceedings of the International Conference on Plasma Physics (Foz do Iguassu, November 1994) eds. P. Sakanaka et al.
openaire   +2 more sources

From Local Earthquake Nowcasting to Natural Time Forecasting: A Simple Do‐It‐Yourself (DIY) Method

Earth and Space Science, Volume 13, Issue 1, January 2026.
Abstract Previous papers have outlined nowcasting methods to track the current state of earthquake hazard using only observed seismic catalogs. The basis for one of these methods, the “counting method,” is the Gutenberg‐Richter (GR) magnitude‐frequency relation.
John B. Rundle, Ian Baughman, Andrea Donnellan, Lisa Grant Ludwig, Geoffrey C. Fox   +4 more
wiley   +1 more source

From the Bottom Up: Calculating Mantle‐Derived Magma Flux Using Subduction Parameters and Petrologic Constraints at Oceanic Arcs

Geochemistry, Geophysics, Geosystems, Volume 27, Issue 1, January 2026.
Abstract Mantle‐derived magma flux has a first‐order control on long‐term volcanic productivity, volatile cycling, and crustal growth in convergent margins. However, the factors controlling it remain unclear. We used a simplified, 3D conceptualization of an intraoceanic subduction zone and petrologic constraints on mantle melting to calculate mantle ...
A. E. Goltz, C. B. Till, A. J. R. Kent
wiley   +1 more source

Laboratory evidence of confinement and acceleration of wide-angle flows by toroidal magnetic fields

Communications Physics
Astrophysical jets play crucial roles in star formation and transporting angular momentum away from accretion discs, however, their collimation mechanism is still a subject of much debate due to the limitations of astronomical observational techniques ...
Z. Lei, L. X. Li, Z. H. Zhao, W. Sun, H. H. An, D. W. Yuan, Y. Xie, W. Q. Yuan, S. K. He, L. Cheng, Z. Zhang, J. Y. Zhong, W. Wang, B. Q. Zhu, W. M. Zhou, C. T. Zhou, S. P. Zhu, J. Q. Zhu, X. T. He, B. Qiao   +19 more
doaj   +1 more source

Observation of energetic protons trapped in laboratory magnetic-tower jets

New Journal of Physics, 2013
Preliminary results of the self-emission of charged particles from magnetically driven plasma jets has been investigated. The jets were launched and driven by a toroidal magnetic field generated by introducing a  ∼ 1.4 MA, 250 ns electrical current pulse
F Suzuki-Vidal, S Patankar, S V Lebedev, S N Bland, H Doyle, D Bigourd, G Burdiak, P de Grouchy, G N Hall, A J Harvey-Thompson, E Khoory, L Pickworth, J Skidmore, R A Smith, G F Swadling   +14 more
doaj   +1 more source

Debye‐Scale Bipolar Structures and Their Role in the Electron Trajectory Instability at the Bow Shock

Journal of Geophysical Research: Space Physics, Volume 131, Issue 1, January 2026.
Abstract A number of mechanisms have been suggested to operate within the terrestrial bow shock to redistribute energy contained in the incoming solar wind flow. The majority of mechanisms involve the generation of turbulence while some are based on particle motion alone.
Simon N. Walker, Michael Gedalin, Michael A. Balikhin   +2 more
wiley   +1 more source

The High Plasma Density Observed Along the PJ57 Juno Flyby of Io Implies the Presence of a Dense Atomic Corona

Journal of Geophysical Research: Space Physics, Volume 131, Issue 1, January 2026.
Abstract On December 2023, the Juno spacecraft made a flyby of Io above the northern hemisphere at a closest approach (CA) altitude of ∼1,500 km (PJ57). The Juno/Waves and Radio‐occultation measurements showed a surprising large electron density ∼28,000 cm−3 near closest approach.
V. Dols, F. Bagenal
wiley   +1 more source

Can the Neutrinos from TXS 0506+056 Have a Coronal Origin?

The Astrophysical Journal
The blazar TXS 0506+056 has been the first astrophysical source associated with high-energy astrophysical neutrinos, and it has emerged as the second-most-prominent hotspot in the neutrino sky over 10 yr of observations.
Damiano F. G. Fiorillo, Federico Testagrossa, Maria Petropoulou, Walter Winter   +3 more
doaj   +1 more source

Outer Radiation Belt Dynamics During the October 2012 Storm Revisited: Rapid Inward Radial Transport From a Dynamic Outer Boundary

Journal of Geophysical Research: Space Physics, Volume 131, Issue 1, January 2026.
Abstract Earth's outer radiation belt electron flux is highly variable and can be enhanced by over an order of magnitude over timescales less than one day, as observed during the October 2012 storm. Previous studies of this storm (e.g., Reeves et al., 2013, https://doi.org/10.1126/science.1237743) have invoked local acceleration to explain this ...
L. G. Ozeke, I. R. Mann, L. Olifer, S. K. Morley, H. E. Spence   +4 more
wiley   +1 more source

Global MHD Simulations: Magnetosphere–Ionosphere Coupling Dependence on Conductance Model

Journal of Geophysical Research: Space Physics, Volume 131, Issue 1, January 2026.
Abstract Eighty‐five geomagnetic storms were simulated with the space weather modeling framework Geospace model using two different ionospheric conductance models. One set used the legacy conductances within the Ridley ionosphere model, while the other set used the newly developed conductance model for extreme events conductance model.
T. I. Pulkkinen, P. Dredger, M. Liemohn, A. Ridley, G. Tóth, D. Welling, Q. Al Shidi, A. Brenner, S. Hill, A. Mukhopadhyay   +9 more
wiley   +1 more source