outer space

noun
🔊/ˌaʊtə ˈspeɪs/
🔊/ˌaʊtər ˈspeɪs/
(also space)
[uncountable]
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  1. the area outside the earth’s atmosphere where all the other planets and stars are外层空间;太空
    • radio waves from outer space来自外层空间的无线电波
    Topics Spacea1