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interstellar medium
(redirected from Interstellar matter)

    Also found in: Acronyms, Encyclopedia, Wikipedia 0.01 sec.
interstellar medium
n
(Astronomy) the matter occurring between the stars of our Galaxy, largely in the spiral arms, and consisting mainly of huge clouds of ionized, neutral, or molecular hydrogen Abbreviation ISM
interstellar medium  (ntr-stlr)
Material, mostly hydrogen gas, other gases, and dust, occupying the space between the stars and providing the raw material for the formation of new stars. Nebulae are the most distinct areas of the interstellar medium; they appear when the clouds of gas and dust cluster due to interaction with nearby stars or star remnants.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.interstellar medium - interstellar space including streams of protons moving from the stars
interstellar space - the space between stars
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Such searches are of great value to those of us who study supernovae to determine their explosion mechanisms, their remnants, their effects on interstellar matter, and the origin of the elements.
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These would include studies of the chemical composition and abundance of interstellar matter, he notes.
New Hubble trouble: spectrograph awry by Cowen, Ron / Science News
 
 
 
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