Results 1 to 10 of about 1,018 (176)

Dust Plasma Analogue for Interstellar 217.5 nm Extinction [PDF]

open access: yesSerbian Astronomical Journal, 2008
The new ultraviolet (UV) extinction measurements of carbonaceous nanoparticles in the range from 140 nm to 260 nm are presented. The plasma polymerized hydrocarbon nanoparticles were already proposed as a new astro analogue, which describe the infrared (
Stefanović, I.
doaj   +5 more sources

Fragmentation Pathways of Diaminomaleonitrile: Automated Discovery and High-Level Energetics Under Laser-Driven Conditions. [PDF]

open access: yesChemphyschem
Laser irradiation of a 2,3‐diaminomaleonitrile (DAMN) molecule (white) induces decomposition into the highlighted products (yellow). The laptop denotes a computational simulation designed to mimic the laser ablation experiment. We investigate the fragmentation chemistry of 2,3‐diaminomaleonitrile (DAMN), a key hydrogen cyanide (HCN) tetramer in ...
Reis MC, Ramos AF.
europepmc   +2 more sources

Novel Long-Acting Ghrelin Analogue PEP-064 Restores Energy Balance in C26 and Lewis Lung Carcinoma-Induced cachexia in Mice. [PDF]

open access: yesJ Cachexia Sarcopenia Muscle
ABSTRACT Background Cancer cachexia is a debilitating syndrome marked by involuntary weight loss resulting from reduced food intake and intricate metabolic reprogramming. Despite its high prevalence, cancer cachexia remains undertreated, with a lack of effective and approved pharmacotherapies.
Hunt JE   +20 more
europepmc   +2 more sources

A future interstellar probe on the dynamic heliosphere and its interaction with the very local interstellar medium: In-situ particle and fields measurements and remotely sensed ENAs

open access: yesFrontiers in Astronomy and Space Sciences, 2023
The recently published Interstellar Probe (ISP) study report describes a pragmatic mission concept with a launch window that starts in 2036 and is expected to reach several hundreds of astronomical units past the heliopause within a time frame of ≥50 ...
K. Dialynas   +30 more
doaj   +1 more source

Continuous solutions of cosmic-rays and waves in astrophysical environments

open access: yesScientific Reports, 2023
The propagation of energetic charged particles and cosmic rays in magnetized thermal plasma is focused. We consider a four-fluid system that consists of thermal plasma, cosmic rays, and two opposite propagating Alfvén waves to investigate the dynamics ...
K. Irshad   +5 more
doaj   +1 more source

Voyager Observations of Electron Densities in the Very Local Interstellar Medium

open access: yesThe Astrophysical Journal, 2023
The two Voyager spacecraft have now been immersed in the very local interstellar medium for several years. Both spacecraft carry a plasma wave instrument capable of detecting plasma waves that yield electron density through the determination of the ...
W. S. Kurth   +4 more
doaj   +1 more source

Propagation of large-scale solar wind events in the outer heliosphere from a numerical MHD simulation

open access: yesEarth and Planetary Physics, 2021
Voyager 1 occasionally detected sudden jumps of the local interstellar magnetic field strength since its heliopause crossing in August 2012. These events were believed to be associated with outward propagating solar wind shocks originating in the inner ...
XiaoCheng Guo   +3 more
doaj   +1 more source

Interstellar Conditions Deduced from Interstellar Neutral Helium Observed by IBEX and Global Heliosphere Modeling

open access: yesThe Astrophysical Journal, 2023
In situ observations of interstellar neutral (ISN) helium atoms by the IBEX-Lo instrument on board the Interstellar Boundary Explorer (IBEX) mission are used to determine the velocity and temperature of the pristine very local interstellar medium (VLISM).
P. Swaczyna   +10 more
doaj   +1 more source

What is the heliopause? Importance of magnetic reconnection and measurement requirements

open access: yesFrontiers in Astronomy and Space Sciences, 2023
We highlight the importance of magnetic reconnection at the heliopause, both as one of the key processes driving the interaction between solar and interstellar media, but also as an element of the definition of the heliopause itself.
B. Lavraud   +24 more
doaj   +1 more source

A Mesofractal Model of Interstellar Cloudiness

open access: yesUniverse, 2022
The interstellar medium (ISM), serving as a background for the propagation of cosmic rays (CRs) and other information carriers, has a complex ragged structure.
Vladimir V. Uchaikin   +1 more
doaj   +1 more source

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