is the matter that exists in the space between the stars in a galaxy. This medium mainly consists of hydrogen and helium, but it is enhanced by traces of other elements contributed by matter expelled from stars.
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http://en.wikipedia.org/wiki/Glossary_of_astronomy
Table 1 shows a breakdown of the properties of the components of the ISM of the Milky Way. ===The three-phase model=== ===Structures=== The ISM is turbulent and therefore full of structure on all spatial scales. Stars are born deep inside large complexes of molecular clouds, typically a few parsecs in size. During their lives and deaths, stars int...
Found on
http://en.wikipedia.org/wiki/Interstellar_medium
Gas and dust located between the stars.
Found on
http://planetfacts.org/space-terms/
region between the stars that contains vast, diffuse clouds of gases and minute solid particles. Such tenuous matter in the interstellar medium of ... [9 related articles]
Found on
http://www.britannica.com/eb/a-z/i/33
(ISM) The material that exists between the stars which, in our own Galaxy, is concentrated strongly in the galactic disk and consists of about 99% gas and 1% dust grains. The gas, mostly hydrogen, is a complex soufflé of hot (10,000 to over 1 million K) and cool (3 to 100...
Found on
http://www.daviddarling.info/encyclopedia/I/ISM.html
The gas and dust that exists in the space between the stars
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http://www.encyclo.co.uk/local/20040
The gas and dust that exists in open space between the stars.
Found on
http://www.seasky.org/astronomy/astronomy-glossary.html
is the gas and dust from earlier stars which have exploded. The explosions are largely responsible for the creation of the chemical elements and for the spread of this matter, in the form of clouds, out of which new stars are formed.
Found on
http://www.sheffield.ac.uk/polopoly_fs/1.14548!/file/glossary.pdf
[
n] - interstellar space including streams of protons moving from the stars
Found on
http://www.webdictionary.co.uk/definition.php?query=interstellar%20medium
No exact match found.
