Results 31 to 40 of about 823,753 (291)
INTERSTELLAR DUST CHARGING IN DENSE MOLECULAR CLOUDS: COSMIC RAY EFFECTS [PDF]
, 2015 The local cosmic-ray (CR) spectra are calculated for typical characteristic regions of a cold, dense molecular cloud to investigate two mechanisms of dust charging that have, thus far, been neglected: the collection of suprathermal CR electrons and ...
A. Ivlev +3 more
semanticscholar +1 more source
Communications Chemistry, 2022 The detection of glycine in comets is suggestive of a cosmic origin for amino acids on Earth, but the formation of glycine in interstellar media remains poorly understood.
Prasad Ramesh Joshi, Yuan-Pern Lee
doaj +1 more source
A UNIFIED MICROSCOPIC–MACROSCOPIC MONTE CARLO SIMULATION OF GAS-GRAIN CHEMISTRY IN COLD DENSE INTERSTELLAR CLOUDS [PDF]
, 2012 For the first time, we report a unified microscopic–macroscopic Monte Carlo simulation of gas-grain chemistry in cold interstellar clouds in which both the gas-phase and the grain-surface chemistry are simulated by a stochastic technique.
Q. Chang, E. Herbst
semanticscholar +1 more source
COLLISIONAL EXCITATION OF THE [C ii] FINE STRUCTURE TRANSITION IN INTERSTELLAR CLOUDS [PDF]
, 2012 We analyze the collisional excitation of the 158 μm (1900.5 GHz) fine structure transition of ionized carbon in terms of line intensities produced by simple cloud models.
P. Goldsmith +3 more
semanticscholar +1 more source
Interstellar Scintillation and Clouds of the Interstellar Turbulent Plasma [PDF]
International Astronomical Union Colloquium, 2001 AbstractData on interstellar diffraction and refraction scintillation of pulsars are analyzed. Comparison between theory and the observational data shows that two types of spectra for electron density fluctuations are realized in the interstellar medium: pure power law and piecewise with a break. The distribution of turbulent plasma in the Galaxy has a
openaire +4 more sources
TOWARD UNDERSTANDING THE COSMIC-RAY ACCELERATION AT YOUNG SUPERNOVA REMNANTS INTERACTING WITH INTERSTELLAR CLOUDS: POSSIBLE APPLICATIONS TO RX J1713.7−3946 [PDF]
, 2011 Using three-dimensional magnetohydrodynamic simulations, we investigate general properties of a blast wave shock interacting with interstellar clouds.
T. Inoue +3 more
semanticscholar +1 more source
Supersonic turbulence and structure of interstellar molecular clouds [PDF]
, 2002 The interstellar medium (ISM) provides a unique laboratory for highly supersonic, driven hydrodynamics turbulence. We present a theory of such turbulence, confirm it by numerical simulations, and use the results to explain observational properties of ...
B. Dubrulle +28 more
core +2 more sources
Frontiers in Astronomy and Space Sciences, 2023 Combined in situ observations of the interstellar wind through the solar system and of its pickup ions (PUIs), implanted after ionization in the solar wind, explain, in comparison with interstellar absorption lines of nearby stars, that the Sun is in an ...
Eberhard Möbius
doaj +1 more source
PROPERTIES OF TURBULENCE IN THE VERY LOCAL INTERSTELLAR CLOUDS [PDF]
, 2011 We have investigated the degree to which turbulence in the Very Local Interstellar Clouds resembles the highly studied turbulence in the solar corona and the solar wind, particularly the high-speed solar wind.
S. Spangler +2 more
semanticscholar +1 more source
ON THE DENSITY DISTRIBUTION IN STAR-FORMING INTERSTELLAR CLOUDS [PDF]
TeraGrid Conference, 2010 We use deep adaptive mesh refinement simulations of isothermal self-gravitating supersonic turbulence to study the imprints of gravity on the mass density distribution in molecular clouds.
A. Kritsuk, M. Norman, Rick Wagner
semanticscholar +1 more source