Results 21 to 30 of about 207,817 (216)
Interstellar Scintillation and Clouds of the Interstellar Turbulent Plasma [PDF]
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 +2 more sources
Thermal desorption of water ice in the interstellar medium [PDF]
Water (H2O) ice is an important solid constituent of many astrophysical environments. To comprehend the role of such ices in the chemistry and evolution of dense molecular clouds and comets, it is necessary to understand the freeze-out, potential surface
Collings, Mark P. +3 more
core +5 more sources
The Distance to High-velocity Cloud Complex M
λ -21 cm HI4PI survey data are used to study the anomalous-velocity hydrogen gas associated with high-velocity cloud Complex M. These high-sensitivity, high-resolution, high-dynamic-range data show that many of the individual features, including MI, MIIa,
G. L. Verschuur, J. T. Schmelz
doaj +1 more source
Observations of the Local Interstellar Cloud [PDF]
AbstractConstraints on the ambient (circumsolar) interstellar medium can be derived from observations of interstellar neutrals or their derivatives in the heliosphere. New results have been recently obtained which, when combined with optical and UV observations of the nearby stars (HST-GHRS, EUVE), remove long-standing contradictions and allow us to ...
openaire +1 more source
Evolution of prolate molecular clouds at HII boundaries - I. formation of fragment-core structures [PDF]
The evolution of a prolate cloud at an HII boundary is investigated using smoothed particle hydrodynamics. The prolate molecular clouds in our investigation are setwith their semi-major axis perpendicular to the radiative direction of a plane-parallel ...
Goodwin S +10 more
core +1 more source
Studying the depth of nearby interstellar clouds [PDF]
Molecular clouds are the birthplace of stars and planets. Understanding how stars are formed inside these interstellar clouds is one of the longest-standing questions in astronomy.
Μπουζέλου, Φωτεινή Μαρία
core
A study of C3HD in cold interstellar clouds
The published version is located at http://adsabs.harvard.edu/doi/10.1086 ...
BELL, MB +6 more
openaire +2 more sources
Interstellar cloud collisions [PDF]
On decrit les resultats d'une simulation numerique en 3 dimensions de nuages interstellaires isothermes en l'absence de champs magnetiques. Les collisions, en general, ne donnent pas naissance a un ou plusieurs nuages.
J. C. Lattanzio +3 more
openaire +1 more source
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
Diffuse Interstellar Clouds [PDF]
AbstractDiffuse clouds are interstellar objects through which starlight is not greatly extinguished. As a result, many studies rely on ultraviolet and visible measurements. The focus of this review is on spectroscopic work involving atomic and molecular lines. From these measurements, the physical and chemical makeup of the clouds is derived.
David L. Lambert, S. R. Federman
openaire +1 more source

