Results 101 to 110 of about 300 (160)

Archimedean Spiral Distribution of Energetic Particles in Earth's Inner Radiation Belt

open access: yesGeophysical Research Letters
Archimedean spirals are common in various fields such as biology, engineering, astronomy, and space physics. Here we report the discovery of patterns resembling the general Archimedean spirals in particle distributions in the Earth radiation belt.
Weiqin Sun   +7 more
doaj   +1 more source

Plasma Sources in Planetary Magnetospheres: Mercury

open access: yesPlasma Sources in Planetary Magnetospheres: Mercury
著者人数: 11名 Accepted: 2015-07-25 資料番号 ...
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Planetary magnetospheres

Reviews of Geophysics, 1979
Although the Jupiter encounters of Pioneers 10 and 11 occurred in the previous quadrennium, the flood of new information that they released launched a wave of publications that crested in the present quadrennium. For completeness all of the magnetospheric literature relating to the two encounters is included in the bibliography. The present quadrennium
George L. Siscoe, James A. Slavin
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Planetary magnetospheres

Reviews of Geophysics, 1975
The study of extraterrestrial planetary magnetospheres during the past 4 years has experienced a dramatic growth in the availability of observational data and a concomitant growth in the level of scientific interest comparable to the experience of the early 1960's in the study of earth's magnetosphere. Owing in large part to the success of space probes
T. W. Hill, F. C. Michel
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Plasma Motions in Planetary Magnetospheres

Science, 1991
Before direct exploration by spacecraft, Jupiter was the only planet other than Earth that was known to have a magnetic field, as revealed by its nonthermal radio emissions. The term "magnetosphere" did not exist because there was no clear concept of such an entity.
T W, Hill, A J, Dessler
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Planetary Ionospheres and Magnetospheres

2008
We begin this chapter with a detailed review of the ionization and recombination processes in a planetary ionosphere, as exemplified by the ionosphere we know the most about, that of the Earth. We then extend the discussion to the ionospheres of Mars and Venus, and examine atmospheric loss mechanisms.
Eugene F. Milone, William J. F. Wilson
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The dynamics of planetary magnetospheres

Planetary and Space Science, 2001
Abstract Mercury, Earth, Jupiter, Saturn, Uranus, Neptune, and the moon, Ganymede, have presently-active internal dynamos while Venus, Mars, at least two of the Galilean moons, the Earth's moon, comets and asteroids do not. These active dynamos produce magnetic fields that have sufficient strength to stand off the pressure of the exterior plasma ...
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Reconnection in planetary magnetospheres

Advances in Space Research, 2000
Current sheets in planetary magnetospheres that lie between regions of "oppositely-directed" magnetic field are either magnetopause-like, separating plasmas with different properties, or tail-like, separating plasmas of rather similar properties. The magnetopause current sheets generally have a nearly limitless supply of magnetized plasma that can ...
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Captured dust in planetary magnetospheres

AIP Conference Proceedings, 1998
Interplanetary and interstellar dust particles acquire a positive charge in the solar wind and can be strongly influenced by the Lorentz force as they pass through planetary magnetospheres. There, the charge on the particles changes rapidly when they pass through different plasma environments.
Joshua E. Colwell   +2 more
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Dust in planetary magnetospheres

Advances in Space Research, 1993
Abstract Dust particles immersed in the magnetized plasma environment of planetary magnetospheres collect electrostatic charges. The expected charges are modest and only micron and smaller grains will be significantly perturbed by the resulting electrodynamic forces. These electrodynamic perturbations compete with other processes - radiation pressure,
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