What is the primary, defining activity of a main-sequence star during the vast majority of its life?
Answer
Fusion of hydrogen nuclei into helium nuclei
Main-sequence stars are classified by their primary activity, which is the fusion of hydrogen (protons) into helium, often referred to as hydrogen burning.
#Videos
Do All Stars Synthesize Heavier Elements? - YouTube
Related Questions
What fundamental process defines a luminous sphere of plasma as a true star?What two immense, conflicting forces maintain a star in a delicate equilibrium?According to the text, how is energy released during nuclear fusion?What is the primary, defining activity of a main-sequence star during the vast majority of its life?For stars significantly more massive than the Sun, what element marks the end of the sequential fusion process in the core?What unique characteristic of iron prevents further energy generation in massive stars?What are objects called that bridge the gap between the largest planets and the smallest true stars, unable to sustain hydrogen fusion?What reaction can a brown dwarf briefly fuse, despite lacking the conditions for sustained hydrogen fusion?What is the approximate minimum mass required for a celestial body to qualify as a true star capable of sustained hydrogen fusion?What is the term for the complex, sequential process of building heavier elements within massive stars?What is the end-stage remnant for a less massive star, such as our Sun, after it exhausts its fuel?