Was SNR 1181 really the surprising echo of an 800-year-old explosion?
In the year 1181 a rare supernova explosion appeared in the night sky, staying visible for 185 consecutive days. In the annals of astronomical history, the year 1181 marked an extraordinary event—a rare supernova explosion that captivated the night sky for 185 consecutive days. This cosmic spectacle, resembling a temporary ‘star’ in the constellation Cassiopeia […]