NGC 2442 and NGC 2443 are two designations for the spiral arms of the Meathook Galaxy, located in the constellation of Volans. The galaxy is 50 million light-years away and it was disco...
C/2023 A3 (Tsuchinshan–ATLAS) is a comet that comes from Oort cloud. It was discovered by China Purple Mountain Observatory on 9 January 2023 and, independently , by ATLAS observatory f...