Why has the sun bt for billions of years? What is the mechanism of combustion? What will happen to the trend of solar combustion? Mod humans have only just begun their close-up exploration of the sun.By studying the sun,we can le more about other stars.The more we understand other stars,the more we will know about the universe in the end.The exploration of the origin of solar energy will help people to deepen their understanding of the origin of the universe as well as the development of the universe.Solar probes will help us further understand the characteristics of the sun,validate relevant theories and make new discoveries.