In which order will a single star of about 1 M ? progress through its various stages of evolution?

Question

Quizplus · Accepted Answer

The correct sequence for a star of about 1 solar mass (1 M☉) starts with its formation phase as a T Tauri star, then it enters the main sequence where it spends most of its life fusing hydrogen into helium. After exhausting its hydrogen fuel, the star expands into a red giant (though not explicitly mentioned in option A, this phase occurs before the planetary nebula stage), then sheds its outer layers to form a planetary nebula, and finally, the core that remains cools down to become a white dwarf.

In Which Order Will a Single Star of About 1