high frontier
космос, космічний простір
космос, открытый космос, космическое пространство
All, Weltraum, Weltall
Synonym of outer spaceSynonym of outer space.
Meaning
1 senses(informal, uncountable)Synonym of outer space.
Synonyms
1 synonymsLessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable