What is the total estimated lifespan, including post-main sequence phases, for a star like our Sun?
Answer
12 billion years
While the Sun's main-sequence lifespan is about 10 billion years, its total lifetime, including the red giant and white dwarf phases, approaches 12 billion years.
Related Questions
What is the key factor that fundamentally governs how long a star will shine?How much more luminous is a star that has twice the mass of the Sun?What is the typical lifespan for the most massive stars, those hundreds of times the Sun's mass?What is the total estimated lifespan, including post-main sequence phases, for a star like our Sun?What internal structure in Sun-like stars prevents them from utilizing all their hydrogen fuel efficiently?What mechanism allows red dwarfs to burn nearly all of their internal hydrogen supply?What percentage of its initial hydrogen supply can a 0.1 solar mass red dwarf burn before exhausting its fuel?What is the predicted final state for a low-mass red dwarf after it exhausts its hydrogen?What is the estimated main-sequence lifespan range for the least massive true stars (around 7.5% to 8% the mass of the Sun)?How long is the universe currently estimated to have existed?What hypothetical process might create the absolute final stars in the universe, shining potentially quintillions of years from now?