[Solved] What is the luminosity class of most of the stars visible to the naked eye? Are these actually the MOST numerous stars? A) Most visible stars are main-sequence stars; yes, they are the majority of all stars. B) Most visible stars are main-sequence stars; but most stars are actually giants. C) Most visible stars are giants; but most stars are actually main-sequence stars. D) Most visible stars are giants; yes, most stars are actually giants. Similarity: The state of being alike or sharing common features. Proximity: In psychology, it refers to the physical or psychological closeness or nearness between people, objects, or ideas. Top-Down Processing: A cognitive process that starts with the higher-level brain functions to interpret sensory information, based on knowledge, expectations, and context. Bottom-Up Processing: A type of information processing based on incoming data from the environment to form a perception, starting from the most basic level of sensory input.