Results 111 to 120 of about 834,499 (261)

Earth's Mesosphere During Possible Encounters With Massive Interstellar Clouds 2 and 7 Million Years Ago

open access: yesGeophysical Research Letters
Our solar system's path has recently been shown to potentially intersect dense interstellar clouds 2 and 7 million years ago: the Local Lynx of Cold Cloud and the edge of the Local Bubble.
Jesse A. Miller   +4 more
doaj   +1 more source

Filamentary Network and Magnetic Field Structures Revealed with BISTRO in the High-mass Star-forming Region NGC 2264: Global Properties and Local Magnetogravitational Configurations

open access: yesThe Astrophysical Journal
We report 850 μ m continuum polarization observations toward the filamentary high-mass star-forming region NGC 2264, taken as part of the B -fields In STar forming Regions Observations large program on the James Clerk Maxwell Telescope. These data reveal
Jia-Wei Wang   +156 more
doaj   +1 more source

Search for Interstellar Water in the Translucent Molecular Cloud toward HD 154368 [PDF]

open access: bronze, 1998
Marco Spaans   +4 more
openalex   +1 more source

On the Stability of Interstellar Neutral Hydrogen Clouds at Large Z-heights

open access: yesThe Astrophysical Journal
Galactic neutral hydrogen (H i ) data drawn from several large-scale surveys have been used to study 32 small clouds found between Galactic longitudes 70° and 140° and latitudes −20° and −45°.
G. L. Verschuur
doaj   +1 more source

Arecibo Multi-Epoch HI Absorption Measurements Against Pulsars: Tiny-Scale Atomic Structure

open access: yes, 2010
We present results from multi-epoch neutral hydrogen (HI) absorption observations of six bright pulsars with the Arecibo telescope. Moving through the interstellar medium (ISM) with transverse velocities of 10--150 AU/yr, these pulsars have swept across ...
Green, J. T.   +4 more
core   +1 more source

A search for naphthalene in diffuse interstellar clouds [PDF]

open access: green, 2012
Susana Iglesias‐Groth   +2 more
openalex   +1 more source

Effects of H2 coating of grains on depletion of molecular species

open access: yes, 2012
Physical conditions in dense and cold regions of interstellar clouds favour the formation of ice mantles on the surfaces of interstellar grains. It is predicted that most of the gaseous species heavier than H2 or He will adsorb onto the grains and will ...
Hasegawa, Tatsuhiko I., Morata, Oscar
core   +1 more source

Identification of Galactic H I Counterpart of the Large [O iii] Emission Structure 1 2 Southeast of M31

open access: yesThe Astronomical Journal
Strottner–Drechsler–Sainty Object 1 (SDSO1) is a faint [O iii ] emission nebula spanning 1 $\mathop{.}\limits^{^\circ }5$ , discovered southeast of M31.
Tiantian Liang   +18 more
doaj   +1 more source

Physical-chemical processes in a protoplanetary cloud [PDF]

open access: yes
Physical-chemical processes in a protoplanetary cloud are discussed. The following subject areas are covered: (1) characteristics of the chemical composition of molecular interstellar clouds; (2) properties and physico-chemical process in the genesis of ...
Lavrukhina, Avgusta K.
core   +1 more source

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