interstellar medium
[ɪn.tərˈstɛ.lər ˈmi.di.əm]
nounpl: interstellar media
meio interestelar
1. The gas, plasma, and dust that exists in the space between stars within a galaxy
The interstellar medium consists primarily of hydrogen and helium with traces of heavier elements.
O meio interestelar consiste principalmente de hidrogênio e hélio com traços de elementos mais pesados.
2. The material through which electromagnetic radiation and cosmic rays travel between stellar systems
Light from distant stars is often absorbed and scattered by the interstellar medium.
A luz de estrelas distantes é frequentemente absorvida e espalhada pelo meio interestelar.
3. The medium containing molecular clouds, ionized gas, and cosmic dust particles distributed throughout space
New stars form within dense regions of the interstellar medium.
Novas estrelas se formam dentro de regiões densas do meio interestelar.
This is a technical scientific term used identically in both Brazilian and Portuguese astronomy communities. It's part of the standard vocabulary in astrophysics and cosmology education and research. The abbreviation 'ISM' is commonly used in both English and Portuguese scientific literature.
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