Question

what is sun explain only expect and ace

Answer 1

hey here is your answer
The Sun in the center of our solar system is a yellow dwarf star. It gives off energy as light. ... The source of all this energy is the reaction in the star which turns hydrogen into helium and makes huge amounts of energy. The Sun is a star like many others in our Milky Way galaxy.
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Answer 2

The Sun is the star at the center of the Solar System. It is a nearly perfect sphere of hot plasma,with internal convective motion that generates a magnetic field via a dynamo process. It is by far the most important source of energy for life on Earth. Its diameter is about 1.39 million kilometers, i.e. 109 times that of Earth, and its mass is about 330,000 times that of Earth, accounting for about 99.86% of the total mass of the Solar System.