interstellar space

[/ˌɪntərˈstɛlər speɪs/]
noun
espaço interestelar
1. The vast expanse of space between stars within a galaxy, containing extremely low density gas, dust, and cosmic rays
Interstellar space is mostly empty, with only a few atoms per cubic centimeter.
O espaço interestelar é principalmente vazio, com apenas alguns átomos por centímetro cúbico.
2. The region of space extending between different star systems
The Voyager spacecraft has been exploring interstellar space for decades.
A sonda Voyager tem explorado o espaço interestelar por décadas.
3. In science fiction, the space separating solar systems that spacecraft must traverse
The starship traveled through interstellar space at incredible speeds.
A nave estelar viajou pelo espaço interestelar em velocidades incríveis.
This term is primarily used in scientific, academic, and science fiction contexts in both English and Portuguese-speaking cultures. It gained particular cultural prominence following NASA's Voyager missions and popular science fiction media. In Brazil, the term appears frequently in educational materials and space exploration discussions, reflecting growing interest in STEM fields.
Synonyms / Sinônimos
outer spacedeep spacethe voidcosmic spaceespaço cósmico
Antonyms / Antônimos
planetary spaceatmospheric spaceespaço atmosférico

Regional Variations

General Brazilian Portuguese
espaço interestelar
Standard scientific term used in astronomy and space research contexts
Portugal
espaço interestelar
Same as Brazilian Portuguese; used in scientific literature
USA English
interstellar space
Common in NASA publications and scientific discourse

Related Words

interstellar mediumstar systemgalaxycosmic dustnebuladark matterradiation

Related Idioms & Phrases

the final frontier
beyond the stars
ir além das estrelas
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