Results 21 to 30 of about 78,498 (257)

The Madison plasma dynamo experiment: a facility for studying laboratory plasma astrophysics [PDF]

open access: yes, 2013
The Madison plasma dynamo experiment (MPDX) is a novel, versatile, basic plasma research device designed to investigate flow driven magnetohydrodynamic (MHD) instabilities and other high-$\beta$ phenomena with astrophysically relevant parameters.
Brookhart, M.   +15 more
core   +2 more sources

Automatic Classification of Plasma Regions in Near-Earth Space With Supervised Machine Learning: Application to Magnetospheric Multi Scale 2016–2019 Observations

open access: yesFrontiers in Astronomy and Space Sciences, 2020
The proper classification of plasma regions in near-Earth space is crucial to perform unambiguous statistical studies of fundamental plasma processes such as shocks, magnetic reconnection, waves and turbulence, jets and their combinations.
Hugo Breuillard   +5 more
doaj   +1 more source

Introduction to nuclear astrophysics

open access: yes, 2009
In the first lecture of this volume, we will present the basic fundamental ideas regarding nuclear processes occurring in stars. We start from stellar observations, will then elaborate on some important quantum-mechanical phenomena governing nuclear ...
Iliadis, Christian
core   +1 more source

Baryonic loading and e^+e^- rate equation in GRB sources [PDF]

open access: yes, 2006
The expansion of the electron-positron plasma in the GRB phenomenon is compared and contrasted in the treatments of Meszaros, Laguna and Rees, of Shemi, Piran and Narayan, and of Ruffini et al.
Bianco, Carlo Luciano   +3 more
core   +2 more sources

Non-thermal electron acceleration in turbulent, post-flare coronal loops

open access: yesAstronomy & Astrophysics
Context. The generation of energetic, non-thermal electrons during solar flares plays a critical role in energy transportation from the corona to the chromosphere, producing regions of observed intense X-ray emission.
Mora C., Bacchini F., Keppens R.
doaj   +1 more source

The role of lateral magnetic reconnection in solar eruptive events [PDF]

open access: yesAnnales Geophysicae, 2009
On 10–11 December 2005 a slow CME occurred in between two coronal streamers in the Western Hemisphere. SOHO/MDI magnetograms show a multipolar magnetic configuration at the photosphere consisting of a complex of active regions located at the CME ...
A. Soenen   +6 more
doaj   +1 more source

Energetic particle acceleration and transport with the novel Icarus + PARADISE model

open access: yesJournal of Space Weather and Space Climate
With the rise of satellites and mankind’s growing dependence on technology, there is an increasing awareness of space weather phenomena related to high-energy particles.
Husidic Edin   +4 more
doaj   +1 more source

Formation of dense, electromagnetically accelerated plasma for laboratory astrophysics

open access: yesEPJ Web of Conferences, 2013
We proposed tapered pinch discharge as a measure to conduct laboratory astrophysics experiments. Basic behaviors of the plasma have been characterized using a prototype device. Results show that the plasma flux and velocity depend on initial gas density,
Adachi K.   +3 more
doaj   +1 more source

Challenges of Relativistic Astrophysics

open access: yes, 2013
I discuss some of the most outstanding challenges in relativistic astrophysics in the subjects of: compact objects (Black Holes and Neutron Stars); dark sector (Dark Matter and Dark Energy); plasma astrophysics (Origin of Jets, Cosmic Rays and Magnetic ...
Opher, Reuven
core   +1 more source

Exploring the nature of collisionless shocks under laboratory conditions [PDF]

open access: yes, 2014
Collisionless shocks are pervasive in astrophysics and they are critical to understand cosmic ray acceleration. Laboratory experiments with intense lasers are now opening the way to explore and characterise the underlying microphysics, which determine ...
Bret, A.   +4 more
core   +2 more sources

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