What is the conclusion of the sun?

The conclusion of the sun, in terms of its life cycle, is that it will eventually exhaust its nuclear fuel and transition into the red giant phase, expanding significantly. After shedding its outer layers, it will leave behind a hot core known as a white dwarf, which will gradually cool over billions of years. Ultimately, the sun will fade away, becoming a cold, dark remnant as a black dwarf, though this process will take longer than the current age of the universe.