The term 'Astronomical Major or Minor' can be summarized as a crossword solution of the word 'URSA', which is a four-letter word. URSA is an acronym for Unaided Eye Sky Survey Astronomy, which is a type of observational astronomy that uses the naked eye to observe stars and other celestial objects in the night sky. This type of astronomy is used to identify constellations, measure distances between stars, and observe the movement of planets and other objects in the sky.