interstellar matter
[ˌɪn.tɚˈstel.ɚ ˈmæt.ɚ]
noun
matéria interestelar
1. The gas, dust, and plasma that exists in the space between stars within a galaxy
Interstellar matter plays a crucial role in the formation of new stars and planetary systems.
A matéria interestelar desempenha um papel crucial na formação de novas estrelas e sistemas planetários.
2. Material composed primarily of hydrogen and helium with traces of heavier elements, often obscuring visible light
The dense clouds of interstellar matter can be detected through infrared and radio observations.
As nuvens densas de matéria interestelar podem ser detectadas através de observações infravermelhas e de rádio.
This is a technical astronomical term used uniformly in scientific literature across English and Portuguese-speaking countries. It is fundamental to modern astrophysics and cosmology discussions, with no colloquial variations or cultural differences in usage between Brazil, Portugal, and the USA.
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