Results 11 to 20 of about 137,092 (301)

Primordial molecular clouds [PDF]

open access: yesConference on 3K cosmology, 1999
12 pages, 1 figures, Invited Talk at 3K Cosmology Conference-Roma October ...
Puy, D., Signore, M.
openaire   +5 more sources

The Global Evolution of Giant Molecular Clouds II: The Role of Accretion [PDF]

open access: yes, 2011
We present virial models for the global evolution of giant molecular clouds. Focusing on the presence of an accretion flow, and accounting for the amount of mass, momentum, and energy supplied by accretion and star formation feedback, we are able to ...
Abdo   +79 more
core   +2 more sources

Turbulence in Molecular Clouds [PDF]

open access: yesThe Astrophysical Journal, 1995
accepted in ApJ, compressed postscript, figures not included. Complete preprint available at http://ucowww.ucsc.edu/~dubinski/home.html or by request to dubinski@lick.ucsc ...
Dubinski, John   +2 more
openaire   +2 more sources

A Herschel [C II] Galactic plane survey II: CO-dark H2 in clouds [PDF]

open access: yes, 2014
ABRIDGED: Context: HI and CO large scale surveys of the Milky Way trace the diffuse atomic clouds and the dense shielded regions of molecular hydrogen clouds.
Goldsmith, P. F.   +4 more
core   +1 more source

Spiral arm triggering of star formation [PDF]

open access: yes, 2006
We present numerical simulations of the passage of clumpy gas through a galactic spiral shock, the subsequent formation of giant molecular clouds (GMCs) and the triggering of star formation.
Clare L. Dobbs, Ian A. Bonnell, Motte
core   +2 more sources

Molecular-Clump Detection Based on an Improved YOLOv5 Joint Density Peak Clustering

open access: yesUniverse, 2023
The detection and analysis of molecular clumps can lead to a better understanding of star formation in the Milky Way. Herein, we present a molecular-clump-detection method based on improved YOLOv5 joint Density Peak Clustering (DPC). The method employs a
Jin-Bo Hu   +6 more
doaj   +1 more source

Study the Effect of Perturbation in the Evolution of the Filamentary Molecular Clouds [PDF]

open access: yesIranian Journal of Astronomy and Astrophysics, 2020
Observatory studies indicate that stars are caused by the collapse of dense molecular clouds, and thermal instability can be a factor in creating this collapse.
Maryam Mesgaran, Khodadad Kokabi
doaj   +1 more source

Giant Molecular Clouds in M31. I. Molecular Cloud Properties [PDF]

open access: yesThe Astrophysical Journal, 2007
We present Berkeley Illinois Maryland Association (BIMA) millimeter interferometer observations of giant molecular clouds (GMCs) along a spiral arm in M31. The observations consist of a survey using the compact configuration of the interferometer and follow-up, higher-resolution observations on a subset of the detections in the survey.
openaire   +2 more sources

Molecular Precursors of the RNA-World in Space: New Nitriles in the G+0.693−0.027 Molecular Cloud

open access: yesFrontiers in Astronomy and Space Sciences, 2022
Nitriles play a key role as molecular precursors in prebiotic experiments based on the RNA-world scenario for the origin of life. These chemical compounds could have been partially delivered to the young Earth from extraterrestrial objects, stressing the
Víctor M. Rivilla   +15 more
doaj   +1 more source

Statistical study of dust properties in LMC molecular clouds [PDF]

open access: yes, 2010
The objective of this paper is to construct a catalog providing the dust properties and the star formation efficiency (SFE) of the molecular clouds in the Large Magellanic Cloud (LMC).
Akiko Kawamura   +36 more
core   +2 more sources

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