Question

briefly describe how the sun produces energy.

Explanation:

The Sun's core has extreme temperature (15 million °C) and pressure, which enables nuclear fusion. Specifically, hydrogen nuclei (protons) fuse together to form helium nuclei. During this process, a small portion of the mass is converted into energy, following Einstein's mass-energy equivalence principle $E=mc^2$. This energy travels outward through the Sun's layers and is released as light and heat into space.

Answer:

The Sun produces energy through nuclear fusion in its high-temperature, high-pressure core: hydrogen nuclei fuse into helium nuclei, and a fraction of the mass is converted into energy (per $E=mc^2$), which is emitted as light and heat.