
O-type stars
O-type stars are among the hottest and most massive stars in the universe, glowing with a blue-white color. They have surface temperatures exceeding 30,000°C (54,000°F), which gives them immense brightness and energy. These stars burn through their fuel quickly and live relatively short lives—about a few million years—compared to smaller stars like our Sun. O-type stars play a key role in shaping their cosmic neighborhoods by emitting intense radiation and stellar winds that influence nearby gas clouds, often triggering the formation of new stars. Despite their rarity, they are crucial for understanding stellar evolution and the life cycle of galaxies.