The mysteries behind the Crab Nebula
In 1054 BC, Chinese and Arabian astronomers saw the powerful explosion of a star that led to the Crab’s Nebula, at approximately 6.500 light years from the Earth, in the constellation of Taurus. This nebula has a diameter of six light years, with an expansion rate up to 3.000 km/seconds. As a result of the stellar explosion known as supernova,...