Results 151 to 160 of about 260,255 (207)

Magnetic Rope Is an Electron Selector: Discovery in Space and Conceptual Application to Medicine

open access: yesGeophysical Research Letters, Volume 53, Issue 10, 28 May 2026.
Abstract Magnetic rope is a helical structure existing ubiquitously in astrophysical and space plasmas. Such structure has been conventionally known to accelerate electrons, convert energy, and play key roles in driving solar eruptions. Here, in contrast to the conventional concept, we report that the magnetic rope can divert electrons efficiently in ...
H. S. Fu   +8 more
wiley   +1 more source

Influence of Magnetosonic Waves on the Venusian Ionosphere: The Role of Electron Landau Heating

open access: yesThe Planetary Science Journal
Plasma waves around terrestrial planets mediate energy transfer between electromagnetic fields and charged particles, significantly influencing the dynamics of their space plasma environments. While such interactions are well documented at Earth and Mars,
Nigang Liu   +5 more
doaj   +1 more source

Large‐Scale Magnetosheath Jets Formed by Shock‐Discontinuity Interactions: A Three‐Dimensional Global Hybrid Simulation

open access: yesGeophysical Research Letters, Volume 53, Issue 9, 16 May 2026.
Abstract Magnetosheath high‐speed jets with enhanced dynamic pressure are common in Earth's magnetosheath and can impinge on the magnetopause, driving pronounced boundary deformation. Recent observations indicate that shock–discontinuity interactions (SDIs) can generate magnetosheath jets, but the formation mechanism is still unclear.
Jin Guo   +13 more
wiley   +1 more source

Initial Atmospheric Waves Experiment (AWE) Imaging Analyses: Gravity Wave Sources, Temperatures, Pseudomomentum Fluxes, and Horizontal Wavenumber Spectra at the OH Layer

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 9, 16 May 2026.
Abstract The NASA Atmospheric Waves Experiment (AWE) employs an OH imager that began measurements aboard the International Space Station (ISS) on 22 November 2023. The motivation for AWE was to quantify gravity wave (GW) responses to diverse sources and their influences extending into the mesosphere and higher altitudes.
David C. Fritts   +7 more
wiley   +1 more source

Nasa program planning in space sciences

open access: yes, 1963
Experiments & research in astronomy, solar physics, planetary atmospheres, ionospheres & radio physics, particles & fields, and ...

core  

Two dimensional hybrid simulations of small scale obstacles in the solar wind [PDF]

open access: yes
The structure and dynamics of the solar wind interaction with two small scale obstacles (of the order of a pickup ion gyroradius) is examined. These are a comet, comparable to Grigg-Skjellerup, and a weakly ionospheric planet.
Hopcroft, Matthew William
core  

Research at the Stanford Center for Radar Astronomy Semiannual status report no. 6, 1 Jul. - 31 Dec. 1965

open access: yes, 1966
Radio and radar astronomical studies on lunar and planetary ionospheres and atmospheres, and solar ...
Eshleman, V. R.
core  

Research at the Stanford Center for Radar Astronomy Semiannual Status Report No. 7, 1 Jan. - 31 Jun. 1966

open access: yes, 1966
Radio and radar studies of lunar and planetary ionospheres, atmospheres, and surfaces, sun echoes, and spacecraft ...

core  

Research at the Stanford Center for Radar Astronomy Semiannual report no. 5, 1 Jan. - 30 Jun. 1965

open access: yes, 1965
Radio and radar astronomy - lunar and planetary ionospheres, atmospheres, and surfaces, and radar studies of sun and interplanetary ...
Eshleman, V. R.
core  

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