Results 41 to 50 of about 79,405 (157)

Colliding Winds in Low-Mass Binary Star Systems: wind interactions and implications for habitable planets

open access: yes, 2015
Context. In binary star systems, the winds from the two components impact each other, leading to strong shocks and regions of enhanced density and temperature.
Bisikalo, D.   +5 more
core   +3 more sources

Multipoint Observations of Magnetic Reconnection in the Martian Magnetotail Triggered by an Interplanetary Magnetic Field Rotation

open access: yesThe Astrophysical Journal Letters
The induced magnetosphere of Mars is highly dynamic, driven by both the upstream solar wind and the planet’s crustal magnetic fields. This variability can occur on timescales much shorter than a single spacecraft orbit, making it difficult to distinguish
Yuanzheng Wen   +9 more
doaj   +1 more source

Wave-Particle Interactions in Astrophysical Plasmas

open access: yesGalaxies
Dissipation processes derived from the kinetic theory of gases (shear viscosity and heat conduction) are employed to examine the solar wind that interacts with planetary ionospheres.
Héctor Pérez-De-Tejada
doaj   +1 more source

Multi-scale comparative spectral analysis of satellite total solar irradiance measurements from 2003 to 2013 reveals a planetary modulation of solar activity and its non-linear dependence on the 11-year solar cycle

open access: yes, 2013
Herein we adopt a multi-scale dynamical spectral analysis technique to compare and study the dynamical evolution of the harmonic components of the overlapping ACRIMSAT/ACRIM3, SOHO/VIRGO and SORCE/TIM total solar irradiance (TSI) records during 2003.15 ...
Scafetta, Nicola, Willson, Richard C.
core   +1 more source

A 3D Parametric Venusian Bow Shock Model with the Effects of Mach Number and Interplanetary Magnetic Field

open access: yesThe Astronomical Journal
Using global magnetohydrodynamics simulations, we have developed a three-dimensional parametric model for the Venusian bow shock based on a generalized conic section function defined by six parameters, with the effects of the solar wind magnetosonic Mach
Ming Wang   +4 more
doaj   +1 more source

Planetary space weather: scientific aspects and future perspectives

open access: yesJournal of Space Weather and Space Climate, 2016
In this paper, we review the scientific aspects of planetary space weather at different regions of our Solar System, performing a comparative planetology analysis that includes a direct reference to the circum-terrestrial case.
Plainaki Christina   +12 more
doaj   +1 more source

Statistics of the Interplanetary Magnetic Field from 0.1 to 30 au. II. Dynamical Variability

open access: yesThe Astrophysical Journal
The interplanetary magnetic field (IMF) governs the coupling between the solar wind and planetary magnetospheres through a series of complex interactions.
Jiutong Zhao   +10 more
doaj   +1 more source

Earth as a Hybrid Planet - The Anthropocene in an Evolutionary Astrobiological Context

open access: yes, 2017
We develop a classification scheme for the evolutionary state of planets based on the non-equilibrium thermodynamics of their coupled systems, including the presence of a biosphere and the possibility of what we call an agency-dominated biosphere (i.e ...
Alberti, Marina   +2 more
core   +1 more source

Solar Wind Control of the Martian Magnetotail Current Sheet and Magnetic Reconnection

open access: yesThe Astrophysical Journal
Magnetic reconnection is a rapid process that releases magnetic free energy stored in current sheets (CSs), driving various explosive phenomena throughout the Universe. In planets within the solar system, reconnection is controlled by both the solar wind
Lei Wang   +5 more
doaj   +1 more source

Comparison of terrestrial and Martian TEC at dawn and dusk during solstices

open access: yesEarth, Planets and Space, 2020
This paper used the similarities between the ionospheres on Mars and Earth, the most similar of the terrestrial planets, to examine the relative importance of photochemical and transport processes at dawn and dusk.
Angeline G. Burrell   +4 more
doaj   +1 more source

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