Local Interstellar Cloud
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Interstellar cloud is the generic name given to an accumulation of gas, plasma and cosmic dust in milky way and other galaxy. Put differently, an interstellar cloud is a denser-than-average region of the interstellar medium....
of dust ...
A collection of gas and dust that lies between the stars.
Interstellar Dust ...
3 Interstellar Clouds
A substantial fraction of the gas in the interstellar medium is in molecular form. This gas is in the form of dense, cold "molecular clouds".
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Astrochemistry".
interstellar cloud - (n.)
A region of relatively high density in the inter- stellar medium. Interstellar clouds have densities ranging between 1 and 10'' particles per cubic centimeter, and in aggregate, contain most of the mass in interstellar space.
"Interstellar clouds and circumstellar envelopes act as formation regions for complex molecules," she says.
The interstellar clouds in and around M20 thus provide tentative evidence of three distinct phases of star formation, as shown in Figure 19.8. The huge, dark molecular cloud surrounding the visible nebula is the stage 1 cloud.
NEBULA - Interstellar cloud of gas and dust. The properties of nebulae vary enormously and depend on their composition as well as the environment in which they are situated.
A nebula is an interstellar cloud of dust, hydrogen gas and plasma. It is the first stage of a star's cycle.
Nebulae are interstellar clouds of matter, usually gases such as hydrogen and dust. Many nebulae are stellar nurseries. For more information, please see the main article about nebulae.
This is a list of all nebulae.
The weaker component of a pulsar pulse when its period is roughly half that of the main pulse. [H76]
A collection of gas and dust that lies between the stars. [C95]
Interstellar Dust ...
interstellar cloud the clumping of interstellar gas and dust into immense clouds having higher densities of matter than the space between clouds (see also dark and diffuse clouds).
HI cloud: An interstellar cloud of neutral hydrogen.
high-velocity star: A star with a large space velocity. Such stars are halo stars passing through the disk of the galaxy at steep angles.
An interstellar cloud of molecular hydrogen containing trace amounts of other molecules such as carbon monoxide and ammonia.
A term used to describe a point directly underneath an object or body.
Filled with bright hot stars, Centaurus is a centerpiece of "associations" of them, which are vast groups of stars born mostly at the same time from the same huge complex of interstellar clouds.
In recent millenia, the Sun has been passing through a Local Interstellar Cloud (LIC) that is flowing away from the Scorpius-Centaurus Association of young stars dominated by extremely hot and bright O and B spectral types, ...
A star forms when a dense interstellar cloud of hydrogen and dust grains collapses inward under the force of its own gravity. As the cloud condenses, its density and internal temperature increase until reaching incandescence with a faint red glow.
a star or an interstellar cloud). The various characteristics of molecules reveal themselves in their spectra, yielding a unique spectral representation corresponding for a molecule.
Glycolaldehyde (C2H402) is a type of simple sugar that was recently found in a giant interstellar cloud of gas and dust [called Sagittarius B2 (North)], located near the center of the Milky Way Galaxy, about 26,000 light-years from Earth.
The stellar nucleosynthesis theory correctly predicts the observed abundances of all of the naturally-occuring heavy elements seen on the Earth, meteorites, Sun, other stars, interstellar clouds---everywhere in the universe.
Giant molecular clouds are interstellar clouds of cold gas (mainly molecular hydrogen) and dust that weigh as much as tens or hundreds of thousands of Suns. Mainly found in spiral galaxies, they are the sites for the majority of star formation.
diffuse nebula - an interstellar cloud of dust and gas consisting mostly of hydrogen and helium, but other ionized gasses may be present; ...
All planetary and stellar systems are born from the collapse of dense interstellar clouds. The clouds may originally be very large (even thousands of light years across).
Wherever the interstellar clouds of the two galaxies collide, they do not freely move past each other without interruption but, rather, suffer a damaging collision.
This assumes that initially there is a dense interstellar cloud which will eventually produce a cluster of stars. Dense regions in the cloud form and coalesce; as the small blobs have random spins the resulting stars will have a low rotation rates.
The solar wind blows a bubble in space inside the ambient interstellar medium, or partially ionized gas of the small local interstellar cloud that the sun travels through.
A nebula is an interstellar cloud that is made up of dust, hydrogen and helium gas, and plasma. It is formed when portions of the interstellar medium collapse and clump together due to the gravitational attraction of the particles that comprise them.
- Dark nebulae are dense interstellar clouds of cold gas and dust. Some, like the Doodad, obscure light from background stars. Others, like the Horsehead Nebula in Orion, block light from emission nebulae in young star-forming regions.
An interstellar cloud of gas and dust in which hot embedded stars ionize much of the cloud's gas atoms causing the nebula to emit its own light. The name is derived from the pattern of emission lines in the spectra of these nebulas.
Nebulae - they are huge interstellar clouds composed of ionized gases (over 95% hydrogen) and dust. The nebulae in our galaxy are called galactic nebulae, while those in other galaxies are called extragalactic nebulae.
molecular cloud A cold, dense interstellar cloud which contains a high fraction of molecules.
The Lagoon Nebula, or Messier 8 (NGC 6523), is a large interstellar cloud, 110 by 50 light-years in dimension, identified as an emission nebula. It lies near  lambda Sagittarii and is about 4,100 light-years distant.
See also: Astro, Solar, Sun, Planet, Star