Wolf-Rayet Stars: Massive, hot stars that shed outer layers, renowned for their intense stellar winds.
Hypergiants: Exceptionally massive stars, among the largest known, radiating millions of times more than the sun
Carbon Stars: Cool, red stars with carbon-rich atmospheres, characterized by their unique red appearance.
Yellow Hypergiants: Rare stars akin to blue and red hypergiants but displaying a yellow hue.
Cepheid Variables: Stars with pulsating brightness used to gauge cosmic distances.
Luminous Blue Variables: Highly massive stars, notable for extreme fluctuations in brightness.