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Physics Section Progress Report
, 1955 Report discussing the progress of various projects at the Knolls Atomic Power Laboratory during the period from June to August ...
Knolls Atomic Power Laboratory
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, 2016 Published in Proceedings of TVIW 2016, February 28-March 2, Chattanooga, TN / David E. Fields and Abby SherriffThe mass ratio problem in interstellar flight presents a major problem.
Jackson, Albert Allen
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Atomic Energy Commission Report TID-7010
, 1957 Introduction: Atomic Energy Facts is designed to serve as an introduction to nuclear operations in the United States and as a handbook of related information for the use of industrial firms and other active or interested in atomic ...
U.S. Atomic Energy Commission
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Gulf General Atomic Company Report A12251
, 1973 Report discussing significant accomplishments during a four-month period regarding the development of a thermionic reactor for a nuclear space power system.
Gulf General Atomic Incorporated
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Observations of Small-Scale Interstellar Structure in Dense Atomic Gas
Astrophysical Journal, 1999We present high-resolution (R ~ 170,000) Kitt Peak National Observatory coude feed telescope observations of the interstellar K I λ7698 line toward five multiple star systems with saturated Na I components. We compare the K I absorption-line profiles in each of the two (or three) lines of sight in these systems and find significant differences between ...
David M Meyer, J T Lauroesch
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Evidence for the Heating of Atomic Interstellar Gas by Polycyclic Aromatic Hydrocarbons
Astrophysical Journal, 2001We report a strong correlation between the [C II] 158 ?m cooling line and the mid-infrared flux in the 5-10 ?m range in a wide variety of star-forming galaxies. The mid-infrared flux is dominated by the aromatic features in emission (AFEs), which are thought to arise from large polycyclic aromatic hydrocarbons (PAHs) and are generally associated with ...
Daniel A Dale, Sangeeta Malhotra
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The Cool Phase of the Interstellar Medium: Atomic Gas
Astrophysics and Space Science Library, 1990The purpose of this review is to discuss high resolution Hi observations of a sample of nearby galaxies and to explain what they can teach us about the composition, structure and energy balance of the Interstellar Medium or ISM. The first part presents a summary of what is known about the ISM of the Galaxy and is followed by an overview of the current ...
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Compression Disturbances in the Atomic Zone of Photodissociation Regions of Interstellar Gas
Bulletin of the Lebedev Physics Institute, 2022N E Molevich
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SKA studies of atomic gas in the interstellar medium of the Milky Way
New Astronomy Reviews, 2004Abstract The λ21-cm line is an excellent tracer of the neutral interstellar medium (ISM). Atomic hydrogen (H I ) is found in a variety of environments, from dense clouds to the diffuse galactic halo, and its filling factor is often high, so structures with sizes over a wide range of scales can be mapped with this line.
John M. Dickey +2 more
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Gas phase chemistry of pyrene and related cations with molecules and atoms of interstellar interest
International Journal of Mass Spectrometry, 1999AbstractThe chemistry of the pyrene radical cation C 16 H 101 and its derivatives C 16 H 91 and C 16 H 111 has been investigated in the gasphase using a flowing afterglow-selected ion flow tube. Rate coefficients have been determined for reactions between C 16 H n1 (n 5 9, 10, 11) and H 2 , CO, H 2 O, and NH 3 molecules as well as H, O, and N atoms. These
Valéry Le Page +3 more
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