space exploration

discovery and exploration of outer space and celestial objects outside Earth

en-GB/ˈspeɪs ˌɛkspləˈɹeɪʃn/
en-US/ˈspeɪs ˌɛksplɔˈɹeɪʃən/

دسته بندی ها:

field of studyspace researchexploration