Crab nebula: VLT field, HST image outlined

Located about 6,500 light-years from Earth, the Crab Nebula is the remnant of a star that began its life with about 10 times the mass of our Sun. Its life ended on July 4, 1054 when it exploded as a supernova. Links: NASA Press release Peering into the Heart of the Crab Nebula Crab nebula: DSS 1 ...