The term 'A Large Constellation' can be solved by the crossword solution 'ORION'. ORION is a prominent constellation located on the celestial equator and visible throughout the world. It is one of the most recognizable constellations in the night sky, and contains two of the brightest stars in the sky, Rigel and Betelgeuse. It is also home to the famous ORION Nebula, a diffuse nebula which is the closest star-forming region to Earth.