Results 131 to 140 of about 3,185 (219)

Calculating Quasi‐Linear Diffusion Rates Using Different Methods to Specify the Wave Spectrum

open access: yesJournal of Geophysical Research: Space Physics, Volume 131, Issue 4, April 2026.
Abstract Quasi‐linear diffusion theory is widely used in radiation belt modeling to describe resonant interactions between charged particles and electromagnetic waves. The diffusion rates depend on the wave spectrum and properties of the background plasma.
J. D. Sadler   +5 more
wiley   +1 more source

Protons Reflected by Lunar Magnetic Anomalies Persistently Alter the Solar Wind Flow

open access: yesJournal of Geophysical Research: Space Physics, Volume 131, Issue 4, April 2026.
Abstract Near‐terminator Chandrayaan‐1 observations reveal that protons reflected by the South Pole–Aitken (SPA) lunar magnetic anomaly frequently alter the solar wind flow above 100 km altitude. These disturbances occurred under a wide range of solar wind conditions and resembled earlier compressional events reported in equatorial regions.
Thomas Maynadié   +6 more
wiley   +1 more source

Determination of the mass distribution of the first stars from the 21-cm signal. [PDF]

open access: yesNat Astron
Gessey-Jones T   +8 more
europepmc   +1 more source

MAVEN Observations of the Martian Magnetospheric Response to Simultaneous Quasi‐Radial Interplanetary Magnetic Field and Low Dynamic Pressure

open access: yesJournal of Geophysical Research: Space Physics, Volume 131, Issue 4, April 2026.
Abstract The state of Mars' induced magnetosphere is highly dependent on upstream solar wind conditions. Changes in dynamic pressure alter the locations of magnetospheric boundaries such as the bow shock and induced magnetosphere boundary, while the orientation of the interplanetary magnetic field (IMF) impacts the formation of the bow shock.
K. G. Hanley   +9 more
wiley   +1 more source

Influence of Mars Topography on Radiation Dose Detected by the Mars Science Laboratory and Assessment of Mars Surface Albedo Radiation

open access: yesJournal of Geophysical Research: Planets, Volume 131, Issue 4, April 2026.
Abstract The Radiation Assessment Detector (RAD) on the Curiosity rover has been characterizing the Martian surface radiation field since 2012. The dose observed by RAD is influenced by a variety of factors, including an essential one, the terrain. After parking near Murray Buttes in September 2016 where it first detected a ∼5% decrease in dose rate ...
Jingnan Guo   +12 more
wiley   +1 more source

The era of precision cosmology with voids. [PDF]

open access: yesAstron Astrophys Rev
Contarini S, Verza G, Pisani A.
europepmc   +1 more source

The effect of early diagenetic processes on the quantification of fossil micrometeorite abundance and flux in the geological record

open access: yesMeteoritics &Planetary Science, Volume 61, Issue 4, Page 551-564, April 2026.
Abstract Fossil micrometeorites (MMs) recovered from lithified sedimentary rocks, particularly iron‐rich (I‐type) cosmic spherules (CSs) provide valuable insights into past dust‐forming events. Their abundances, when combined with estimates of local sedimentation rates can be used to reconstruct the flux of extraterrestrial dust.
Isabelle S. Mattia   +2 more
wiley   +1 more source

Strong gravitational lenses from the Vera C. Rubin Observatory. [PDF]

open access: yesPhilos Trans A Math Phys Eng Sci
Shajib AJ   +8 more
europepmc   +1 more source

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