outer space

== English == === Etymology === From outer +‎ space. === Pronunciation === (UK) IPA(key): /ˌaʊtə ˈspeɪs/, [ˌaʊ̯tə ˈspɛɪ̯s] (US) IPA(key): /ˌaʊtɚ ˈspeɪs/, [ˌaʊ̯ɾɚ ˈspeɪ̯s] === Noun === outer space (uncountable) A region outside of explored space. Any region of space beyond limits determined with reference to boundaries of a celestial system or body, especially the region of space immediately beyond Earth's atmosphere; sometimes, space beyond Earth's solar system. Synonyms: final frontier, high frontier, last frontier A bluish shade of black. ==== Derived terms ==== ==== Translations ==== === See also === Appendix:Colors astropolitics