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interstellar medium

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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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The new map reveals the region that separates the nearest reaches of our galaxy, called the local interstellar medium, from our heliosphere - a protective bubble that shields and protects our solar system from most of the dangerous cosmic radiation traveling through space.
NASA spacecraft provides first view of our solar system's position in ... by Asian News International
The interstellar medium is created in part by the interaction between the solar wind -- charged particles continuously traveling at supersonic speeds away from the Sun in all directions.
NASA probe helps to map solar system by AFP / AFP Global Edition
That bubble, called the heliosphere, is mashed and smashed as it protects us from radiation in a dense, cloudy region of the galaxy that is part of the interstellar medium -- the name scientists use for the areas of space between stars.
SATELLITE TO UNRAVEL SOME MYSTERIES OF SPACE by The Santa Fe New Mexican (Santa Fe, NM)
 
 
 
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