Comet C/2019 Y4 (ATLAS) 아틀라스 혜성 정보 Comet C/2019 Y4 (ATLAS). Great Comet??? Bright comet may be visible to naked eye in May 2020. Bum-Suk Yeom (염범석). http://cometsky.com/astronews/comet_c2019y4_info_med_bsyeom.jpg http://cometsky.com/astronews/comet_c2019y4_info_large_bsyeom.jpg 2020. 3. 11. 이전 1 다음