The Sun is classified as a non-living thing. It is a massive ball of hot gas primarily composed of hydrogen and helium. While the Sun is essential for sustaining life on Earth and has a profound influence on our planet, it does not possess the characteristics typically associated with living organisms.
Living things are generally characterized by various attributes, including the ability to grow, reproduce, respond to stimuli, and undergo metabolism. They are composed of cells and exhibit traits like organization, homeostasis, and adaptation. The Sun, on the other hand, lacks these characteristics.
The Sun generates energy through nuclear fusion reactions in its core, where hydrogen nuclei combine to form helium, releasing a tremendous amount of heat and light in the process. This energy is radiated into space, and it plays a crucial role in providing heat and light for our planet. However, the Sun itself does not possess the properties or processes associated with life. It is a massive celestial object governed by physical laws and processes, such as gravity and thermonuclear reactions.