Results 291 to 300 of about 4,448,337 (335)
Core-collapse supernovae as cosmic ray sources. [PDF]
Marcowith A +4 more
europepmc +1 more source
Abstract Precise measurements of 14C:C in atmospheric CO2 (expressed as Δ14C) are increasingly used in contemporary carbon cycle studies as a tracer of various processes, including anthropogenic CO2 emissions from combustion of fossil fuels and cement production.
John B. Miller +2 more
wiley +1 more source
Estimating Soft X‐Ray Emission From Uranus's Magnetosheath
Abstract Soft X‐ray emission occurs within planetary magnetosheaths when highly charged solar wind ions undergo charge exchange with neutrals. The emission can provide dynamic views of the magnetosheath and cusps, allowing for investigations of the solar wind interaction with a planetary magnetosphere.
D. Naylor +4 more
wiley +1 more source
The cosmic ray shadow of the Moon observed with the ANTARES neutrino telescope. [PDF]
Albert A +126 more
europepmc +1 more source
Abstract The production, attenuation, and absorption of secondary cosmic rays (SCR) are influenced by atmospheric parameters such as air pressure and temperature. To reliably correlate SCR flux measurements with atmospheric ionization driven by energetic particle precipitation, these dependencies must be quantified.
A. Al‐Qaaod +11 more
wiley +1 more source
Anisotropy in the Arrival Directions of Ultrahigh-Energy Cosmic Rays
L. Villaseñor
openalex +1 more source
Abstract On 15 February 2018 a co‐rotating interaction region (CIR) from an equatorial coronal hole reached the Earth. The CIR initiated a moderate and slowly intensifying geomagnetic storm, which began with a large and strong substorm injection.
Geoffrey D. Reeves +27 more
wiley +1 more source
TRAPPED‐S, a New Environment Model Framework for Saturn: Focus on Radiation‐Specification Model
Abstract As space agencies contemplate missions to the outer planets' systems and moons, entailing prolonged observations via local orbiters or potential landers, meticulous assessment of the local environment—encompassing radiation and plasma conditions—is paramount for the design of both the platform and scientific payload.
A. Sicard +7 more
wiley +1 more source
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 +37 more
wiley +1 more source
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 +3 more
wiley +1 more source

