Results 11 to 20 of about 196,114 (210)

Planetary magnetospheres

open access: yesGeofísica Internacional, 1991
La serie de naves espaciales Pionero, Marinero y Viajero nos ha dado a conocer una impresionante variedad de magnetosferas planetarias. Debido a su cercanía, la magnetosfera terrestre es la que mejor entendemos. El viento solar provee parte del plasma y,
A. J. Dessler
doaj   +2 more sources

Sliding Contacts in Planetary Magnetospheres [PDF]

open access: yesSymmetry, 2021
In the planetary magnetospheres there are specific places connected with velocity breakdown, reconnection, and dynamo processes. Here we pay attention to sliding layers. Sliding layers are formed in the ionosphere, on separatrix surfaces, at the magnetopauses and boundaries of stellar astrospheres, and at the Alfvén radius in the equatorial ...
Elena Belenkaya, Igor Alexeev
openaire   +3 more sources

Detection of magnetospheric ion drift patterns at Mars [PDF]

open access: yesNature Communications, 2023
Mars lacks a global magnetic field, and instead possesses small-scale crustal magnetic fields, making its magnetic environment fundamentally different from intrinsic magnetospheres like those of Earth or Saturn.
Chi Zhang   +22 more
doaj   +2 more sources

Current sheets in planetary magnetospheres [PDF]

open access: yesPlasma Physics and Controlled Fusion, 2019
Abstract In this article we aim to highlight the problems related to the structure and stability of the comparatively thin current sheets that were relatively recently discovered by space missions in the magnetospheres of the Earth and planets, as well as in the solar wind. These magnetoplasma structures are universal in collisionless
Lev Zelenyi   +4 more
openaire   +4 more sources

Nonthermal plasma density redistribution in planetary magnetospheres due to ion-cyclotron waves

open access: yesAstronomy & Astrophysics
Context. Planetary magnetospheres throughout the Solar System exhibit diverse plasma environments in which ultra-low-frequency pulsations can induce nonlinear ponderomotive effects.
Espinoza-Troni Joaquín   +2 more
doaj   +2 more sources

Asymmetric distribution of reconnection jet fronts in the Jovian nightside magnetosphere [PDF]

open access: yes, 2013
Magnetic reconnection plays important roles in mass transport and energy conversion in planetary magnetospheres. It is considered that transient reconnection causes localized auroral arcs or spots in the Jovian magnetosphere, by analogy to the case in ...
Kimura, T.   +8 more
core   +5 more sources

Recent advances in giant planetary space environments

open access: yes地球与行星物理论评, 2021
Among the eight solar system planets, Jupiter and Saturn are the two most giant planets, which also have the most prominent magnetic moments. Comparing to the Earth dipole magnetic field, the magnetic moment of Saturn is about 600 times larger while ...
Zhonghua Yao   +4 more
doaj   +1 more source

Occurrence rate of ultra-low frequency waves in the foreshock of Mercury increases with heliocentric distance

open access: yesNature Communications, 2021
Low frequency waves are ubiquitous in space plasmas. Here, the authors show that the occurrence rate of ultra-low frequency waves associated with backstreaming ions in the Hermean foreshock increases with Mercury’s heliocentric distance.
N. Romanelli, G. A. DiBraccio
doaj   +1 more source

Juno Magnetometer Observations at Ganymede: Comparisons With a Global Hybrid Simulation and Indications of Magnetopause Reconnection

open access: yesGeophysical Research Letters, 2022
Juno's flyby of Ganymede on 7 June 2021, provides a unique opportunity to explore the moon's magnetosphere. By means of Magnetometer (MAG) observations and a hybrid numerical simulation, we provide a global description of this environment and analyze the
N. Romanelli   +11 more
doaj   +1 more source

Dispersion and Focusing of Cosmic Rays in Magnetospheres [PDF]

open access: yes, 2022
imulating the irradiation of planetary atmospheres by cosmic ray particles requires, among others, the ability to understand and to quantify the interactions of charged particles with planetary magnetic fields.
Hirtz, J., Leya, Ingo
core   +2 more sources

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