• 홈
  • satellite watching

satellite watching

activity involving the observation and tracking of artificial satellites

en-US/ˈsædəˌlaɪt ˈwɑt͡ʃɪŋ/
en-GB/ˈsætəlaɪt ˈwɒt͡ʃɪŋ/

카테고리:

citizen sciencephotographyspotting hobbyobservational astronomy