Summary Data for 2019 February’s Comets Summary Data for 2019 February’s Comets.2019년 2월 주요한 혜성들. http://cometsky.com/astronews/comet_chasing_in_feb_2019_bsyeom.jpg 염범석. Bum-Suk Yeom. Credit: Bum-Suk Yeom, http://cometchasing.skyhound.com. 2019. 2. 19. 이전 1 다음