M1 · Crab Nebula

Remains of a fallen star. M1, better known as the Crab Nebula, is one of the most iconic deep-sky objects. Located in the constellation Taurus, about 6,500 light-years away, it is the expanding remnant of a supernova recorded on Earth in July 1054 by Chinese, Arabic, and likely European astronomers. This intricate cloud of gas and dust now spans nearly 11 light-years. At its core lies a rapidly rotating pulsar—the ultra-dense remnant of the collapsed star—spinning about 30 times per second. This cosmic beacon continuously injects energy into the nebula, shaping its filamentary structure and emitting radiation across the entire electromagnetic spectrum. M1 serves as a key astrophysical laboratory, providing direct insight into stellar death, heavy element formation, and the interaction between magnetic fields and relativistic particles.