Results 91 to 100 of about 15,397 (165)

An analytic model of plasma-neutral coupling in the heliosphere plasma

open access: yes, 2010
We have developed an analytic model to describe coupling of plasma and neutral fluids in the partially ionized heliosphere plasma medium. The sources employed in our analytic model are based on a $\kappa$-distribution as opposed to the Maxwellian ...
B. DASGUPTA   +3 more
core   +1 more source

Heavy coronal ions in the heliosphere. II. Expected fluxes of energetic neutral He atoms from the heliosheath

open access: yes, 2012
Aims. A model of heliosheath density and energy spectra of alpha-particles and He+ ions carried by the solar wind is developed. Neutralization of heliosheath He+ ions, mainly by charge exchange (CX) with neutral interstellar H and He atoms, gives rise to
Bzowski, M.   +2 more
core   +1 more source

Connection of Turbulence with Polytropic Index in the Solar Wind Proton Plasma

open access: yesEntropy, 2019
This paper improves our understanding of the interplay of the proton plasma turbulent heating sources of the expanding solar wind in the heliosphere. Evidence is shown of the connections between the polytropic index, the rate of the heat absorbed by the ...
George Livadiotis
doaj   +1 more source

EUHFORIA: European heliospheric forecasting information asset

open access: yesJournal of Space Weather and Space Climate, 2018
The implementation and first results of the new space weather forecasting-targeted inner heliosphere model “European heliospheric forecasting information asset” (EUHFORIA) are presented.
Pomoell Jens, Poedts S.
doaj   +1 more source

Editorial: Interplanetary medium variability as observed in the new era of spacecraft missions

open access: yesFrontiers in Astronomy and Space Sciences, 2022
Tommaso Alberti   +3 more
doaj   +1 more source

Radial intensity gradients of galactic cosmic rays in the heliosphere at solar maximum: 1D no-shock simulation [PDF]

open access: yesGeofísica Internacional, 2009
We study the spatial distribution of galactic cosmic rays in the heliosphere at solar maximum of cycles 21, 22 and 23, using a one-dimensional no-shock model of the cosmic ray transport equation.
R. A. Caballero-Lopez   +1 more
doaj  

Effects of anomalous cosmic rays on the solar wind events in the outer heliosphere

open access: yesFrontiers in Astronomy and Space Sciences
Anomalous cosmic-rays (ACRs) are thought to be originated from the acceleration of pickup ions (PUIs) at the termination shock or interplanetary shocks, and play important role for the plasma dynamics in the outer heliosphere. Due to limited observation,
Yucheng Zhou   +5 more
doaj   +1 more source

The examination of small-scale magnetic-field structures in the solar wind using two spacecraft

open access: yesFrontiers in Astronomy and Space Sciences
To explore some properties of small-scale magnetic structures in the solar wind at 1 AU, measurements from the THEMIS-ARTEMIS mission with two spacecraft in orbit around the Earth’s moon are used.
Joseph E. Borovsky
doaj   +1 more source

Oblique Compressible Waves in the Reconnection Exhaust Region Embedded in the Inner Heliospheric Current Sheet Observed by Parker Solar Probe

open access: yesThe Astrophysical Journal
Magnetic reconnection is an important physical process of energy conversion in the heliosphere. Parker Solar Probe (PSP) passes through current sheets of the inner heliosphere and is likely to encounter magnetic reconnection events there. PSP traversed a
Rui Zhuo   +4 more
doaj   +1 more source

Energy transfer of imbalanced Alfvénic turbulence in the heliosphere. [PDF]

open access: yesNat Commun, 2023
Yang L   +11 more
europepmc   +1 more source

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