Results 151 to 160 of about 1,333 (183)

Fragmentation of Interstellar Clouds

2014
The dense cores that form stars through gravitational collapse are embedded in much larger and more rarefied expanses of gas. How the parent▶molecular cloud produces its substructure of dense cores is the problem of fragmentation. The traditional view is that the parent cloud breaks apart as it collapses in on itself.
openaire   +1 more source

Thermal instability in magnetized interstellar clouds

Astronomical & Astrophysical Transactions, 1997
Abstract The effect of a magnetic field on the ionizational-thermal acoustic instability in the cold diffuse ISM is discussed in this paper. It is found that the frozen-in magnetic field leads to new types of instabilities called “magnetoacoustic” instabilities.
Alexander E. Dudorov, Constantine E. Stepanov   +1 more
openaire   +1 more source

Translucent Interstellar Clouds

2011
A translucent interstellar cloud is one that has visual extinction intermediate between that of a ▶ diffuse cloud and that of a dense ▶molecular cloud. Despite the importance of photochemical processes over much of their extent, translucent clouds contain significant molecular column densities.
openaire   +1 more source

Interstellar objects outnumber Solar system objects in the Oort cloud

Monthly Notices of the Royal Astronomical Society: Letters, 2021
Amir Siraj, Abraham Loeb, Loeb A
exaly  

Observation of interstellar lithium in the low-metallicity Small Magellanic Cloud

Nature, 2012
Nicolas Lehner, J Christopher Howk, Grant Mathews   +2 more
exaly  

Origin of oort cloud comets in the interstellar space

Celestial Mechanics and Dynamical Astronomy, 1992
Seppo Mikkola, Valtonen Mauri J
exaly  

Anomalously small magnetic field in the local interstellar cloud

Nature, 1997
George Gloeckler, Fisk L A, Geiss Johannes   +2 more
exaly  

The stardust abundance in the local interstellar cloud at the birth of the Solar System

Nature Astronomy, 2017
János Kodolányi, Jan Leitner, Peter Hoppe   +2 more
exaly  

Interstellar Cloud

2014
openaire   +1 more source

Interstellar Turbulence II: Implications and Effects

Annual Review of Astronomy and Astrophysics, 2004
Bruce Elmegreen, John Scalo
exaly