The crossword solution for the term CRAB, THE is NEBULA. A NEBULA is an interstellar cloud of dust, hydrogen, helium and other ionized gases. It is the birthplace of stars, and is often referred to as an 'emission NEBULA' due to the fact that it emits light and other forms of radiation. The Crab NEBULA is a particular type of NEBULA, located in the constellation Taurus. It is the result of a supernova explosion that was observed in 1054 AD.