In fact, the Sun does not burn. This myth arose due to a not entirely accurate definition. The star does resemble a fireball, but its glow occurs for a different reason. Combustion is a chemical reaction that occurs in the presence of oxygen, but there is a vacuum around the Sun, there is no oxygen in the required volume (and a lot would be needed for the hypothetical combustion of the star), astronomer, doctor of physical and mathematical sciences, professor of the Irkutsk State University Sergey Yazev previously told aif.ru.
