The Crab Nebula is a supernova remnant in the constellation Taurus, located 6,520 light-years from Earth, and reaches its annual culmination at astronomical midnight and is best observed mid December.
The Crab Nebula is a supernova remnant in the constellation Taurus, located 6,520 light-years from Earth, and reaches its annual culmination at astronomical midnight and is best observed mid December.
In the year 1054, visible even during the day as a supernova, the remnant known as the Crab Nebula is now expanding visibly.