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space exploration

noun
speɪs ɪksplɔːˈreɪʃən

Meaning

The investigation of outer space by means of manned and unmanned spacecraft.

Example Sentences

Space exploration has expanded our knowledge of the universe.

Synonyms

space research, cosmic investigation, astronomical exploration, space study, celestial research, universe exploration

Antonyms

ground study, earth observation, terrestrial research, local investigation, planetary confinement, earthbound study

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