Results 231 to 240 of about 228,178 (278)
Ryugu reference project: Recommendations from the measurement definition team
Meteoritics &Planetary Science, Volume 61, Issue 5, Page 819-848, May 2026.Abstract Sample return missions play a significant role in planetary science by providing pristine extraterrestrial materials. JAXA's Hayabusa2 and NASA's OSIRIS‐REx missions have returned samples from the C‐type asteroids Ryugu and Bennu, respectively. The chemical and mineralogical compositions of these samples closely resemble those of CI chondrites,
Tetsuya Yokoyama +16 more
wiley +1 more source
Detecting Thunderstorm‐Related High‐Energy Phenomena in Weak Signals
Journal of Geophysical Research: Atmospheres, Volume 131, Issue 8, 28 April 2026.Abstract Gamma‐ray glows (GRGs) are high‐energy events associated with thunderstorms, characterized by an enhancement of the high‐energy background radiation lasting from a few seconds to several minutes. They are typically detected near their sources by balloons, aircraft, mountain‐based observatories, or at sea level in regions where thunderstorms ...
Y. Hazem +3 more
wiley +1 more source
Can the International Reference Ionosphere Model Predict Long‐Term Trends in the Ionosphere?
Geophysical Research Letters, Volume 53, Issue 8, 28 April 2026.Abstract The International Reference Ionosphere (IRI) model can partially reproduce ionospheric long‐term trends (LTTs), although not intentionally, provided that an appropriate effective ionospheric index is used. We evaluate how model predictions driven by a solar activity proxy (R12) and by an effective ionospheric proxy (IG12) can reproduce the ...
A. Pignalberi +3 more
wiley +1 more source
Cosmic-Ray Propagation in Light of the Recent Observation of Geminga. [PDF]
Astrophys J, 2019 Jóhannesson G +2 more
europepmc +1 more source
Progress in Particle and Nuclear Physics, 2019 89 pages, 56 figures; v2: minor additions, version to ...
D Semikoz
exaly +6 more sources
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Chemical Society Reviews, 2013
Gas-phase chemistry in the interstellar medium is driven by fast ion-molecule reactions. This, of course, demands a mechanism for ionization, and cosmic rays are the ideal candidate as they can operate throughout the majority of both diffuse and dense interstellar clouds.
Nick, Indriolo, Benjamin J, McCall
openaire +2 more sources
Gas-phase chemistry in the interstellar medium is driven by fast ion-molecule reactions. This, of course, demands a mechanism for ionization, and cosmic rays are the ideal candidate as they can operate throughout the majority of both diffuse and dense interstellar clouds.
Nick, Indriolo, Benjamin J, McCall
openaire +2 more sources
Cosmic γ rays and cosmic-ray particles
Nature, 1983Recent experiments using extensive air shower techniques1–5 have given evidence for the presence of significant fluxes of cosmic γ rays, in the energy range 1015–1016 eV, from specific cosmic sources. We argue here that the flux from these sources, and others as yet unresolved, is probably sufficient to allow the explanation of a number of previously ...
J. Wdowczyk, A. W. Wolfendale
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IBM Journal of Research and Development, 1996
This paper reviews the basic physics of those cosmic rays which can affect terrestrial electronics. Cosmic rays at sea level consist mostly of neutrons, protons, pions, muons, electrons, and photons. The particles which cause significant soft fails in electronics are those particles with the strong interaction: neutrons, protons, and pions.
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This paper reviews the basic physics of those cosmic rays which can affect terrestrial electronics. Cosmic rays at sea level consist mostly of neutrons, protons, pions, muons, electrons, and photons. The particles which cause significant soft fails in electronics are those particles with the strong interaction: neutrons, protons, and pions.
openaire +1 more source
Physical Review, 1950
The original idea of Menzel and Salisbury concerning the origin of cosmic rays has been extended and some of its possible consequences worked out in more detail. It is concluded that low frequency electromagnetic waves (a few cycles per second) may exist in limited regions near the outer edge of the solar corona, and could accelerate ions to cosmic-ray
openaire +2 more sources
The original idea of Menzel and Salisbury concerning the origin of cosmic rays has been extended and some of its possible consequences worked out in more detail. It is concluded that low frequency electromagnetic waves (a few cycles per second) may exist in limited regions near the outer edge of the solar corona, and could accelerate ions to cosmic-ray
openaire +2 more sources
Physical Review, 1954
For more than a generation cosmic rays have been studied primarily as a natural beam of high-energy particles. It is unnecessary to detail here how fruitful that “laboratory” has been, how much of our knowledge about fundamental particles and their interactions, from the cascade process of electromagnetic radiation through the nature of hyperons and ...
Morrison, Philip +2 more
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For more than a generation cosmic rays have been studied primarily as a natural beam of high-energy particles. It is unnecessary to detail here how fruitful that “laboratory” has been, how much of our knowledge about fundamental particles and their interactions, from the cascade process of electromagnetic radiation through the nature of hyperons and ...
Morrison, Philip +2 more
openaire +1 more source