Results 141 to 150 of about 181,166 (278)

SuperCam Raman Activities at Jezero Crater, Mars: Observational Strategies, Data Processing, and Mineral Detections During the First 1000 Sols

Journal of Geophysical Research: Planets, Volume 130, Issue 11, November 2025.
Abstract The Mars 2020 Perseverance rover introduced Raman spectroscopy to in situ planetary exploration for the first time when it landed in Jezero crater on Mars in February 2021. The SuperCam instrument onboard Perseverance is a multi‐analytical tool capable of acquiring time‐resolved Raman data from Martian targets at standoff distances of a few ...
G. Lopez‐Reyes, J. A. Manrique, E. Clavé, A. Ollila, O. Beyssac, P. Pilleri, S. Bernard, E. Dehouck, M. Veneranda, S. K. Sharma, M. Nachon, J. Aramendia, O. Forni, F. Rull, T. Acosta‐Maeda, A. Brown, S. M. Angel, K. Castro, E. Cloutis, L. Coloma, J. Comellas, D. Delapp, R. Jakubek, S. Julve‐Gonzalez, E. Kelly, J. M. Madariaga, G. Montagnac, I. Poblacion, S. Schröder, S. A. Connell, I. Reyes‐Rodriguez, Z. U. Wolf, S. Maurice, O. Gasnault, S. Clegg, A. Cousin, R. C. Wiens, the SuperCam Raman Working Group and the SuperCam Team   +37 more
wiley   +1 more source

Advancing Precision Particle Background Estimation for Future X-Ray Missions: Correlated Variability between the Alpha Magnetic Spectrometer and Chandra/XMM-Newton

The Astrophysical Journal
Galactic cosmic-ray (GCR) particles have a significant impact on the particle-induced background of X-ray observatories, and their flux exhibits substantial temporal variability, potentially influencing background levels.
Arnab Sarkar, Catherine E. Grant, Eric D. Miller, Mark Bautz, Benjamin Schneider, Rick F. Foster, Gerrit Schellenberger, Steven Allen, Ralph P. Kraft, Dan Wilkins, Abe Falcone, Andrew Ptak   +11 more
doaj   +1 more source

Exposure to multiple ion beams, broadly representative of galactic cosmic rays, causes perivascular cardiac fibrosis in mature male rats. [PDF]

PLoS One, 2023
Lenarczyk M, Kronenberg A, Mäder M, Komorowski R, Hopewell JW, Baker JE.   +5 more
europepmc   +1 more source

Astrophysics of Galactic Charged Cosmic Rays [PDF]

, 2013
A. Castellina, F. Donato
openalex   +1 more source

The generation of low-energy cosmic rays in molecular clouds

, 2005
It is argued that if cosmic rays penetrate into molecular clouds, the total energy they lose can exceed the energy from galactic supernovae shocks. It is shown that most likely galactic cosmic rays interacting with the surface layers of molecular clouds ...
A. M. Bykov, A. M. Bykov, A. M. Bykov, C. J. Cesarsky, D. C. Ellison, E. Falgarone, E. Falgarone, E. J. O’Donnell, E. Vazquez-Semadeni, F. J. Vrba, I. N. Toptygin, J. A. Simpson, J. Ballesteros-Paredes, J. Bally, J. Barsuhn, J. G. Vestuto, J. P. Phillips, L. O’C. Drury, M. A. Lee, M. H. Heyer, P. C. Myers, P. C. Myers, P. Padoan, R. Blandford, R. Schlickeiser, S. Boldyrev, S. D. Doty, T. Nakano, W. D. Watson, W.-T. Kim, Yu. A. Shchekinov   +30 more
core   +2 more sources

ABSTRACTS

Precision Radiation Oncology, EarlyView.
wiley   +1 more source

Effects of Mineralogy and UV Radiation on the Detectability of Amino Acids Within the Martian Regolith: The Case for a Combined Chromatographical and Spectroscopical Approach

Journal of Geophysical Research: Planets, Volume 130, Issue 11, November 2025.
Abstract Amino acids are an extremely heterogeneous group of biomolecules essential for life on Earth. Their biosignatures are expected to be easily degraded on the Martian surface as the absence of a thick atmosphere and a magnetosphere leads to most of the solar radiation directly reaching its surface.
Miguel Arribas Tiemblo, Pedro Rayo, María‐Paz Martín‐Redondo, Felipe Gómez   +3 more
wiley   +1 more source

Overestimation of Astrophysical Gamma-Ray Energies during Thunderstorms: Synergy of Galactic and Atmospheric Accelerators

The Astrophysical Journal Letters
Particle accelerators abound in space plasmas, saturating the cosmos with fully stripped nuclei and gamma rays, with energies surpassing the capabilities of human-made accelerators by orders of magnitude. Upon reaching Earth’s atmosphere, these particles
A. Chilingarian, M. Zazyan
doaj   +1 more source

Simulated Galactic Cosmic Rays Modify Mitochondrial Metabolism in Osteoclasts, Increase Osteoclastogenesis and Cause Trabecular Bone Loss in Mice. [PDF]

Int J Mol Sci, 2021
Kim HN, Richardson KK, Krager KJ, Ling W, Simmons P, Allen AR, Aykin-Burns N.   +6 more
europepmc   +1 more source

Solar Flare Activity, 1937–2024: Introducing the New Hemispheric Solar Flare Index (hSFI) in the Context of 2024's Major Solar Storm Events

Space Weather, Volume 23, Issue 11, November 2025.
Abstract A new daily composite of the solar flare index (SFI) and the hemispherically‐resolved versions (hSFI) are presented for 1937 to 2024. The data set confirms that the northern hemisphere (NH) dominated solar flare activity during Solar Cycles 17 to 21, but that the southern hemisphere has dominated from Solar Cycle 22 to present.
V. M. Velasco Herrera, W. Soon, S. Knoška, A. Özgüç, G. Velasco Herrera, H. Yeşilyaprak, N. Babynets, M. Švanda, J. Muraközy, S. Qiu, D. Riveros‐Rosas, R. Connolly, M. Connolly, A. Tlatov, L. Cappellotto   +14 more
wiley   +1 more source