<p align="right">Last Update: <font color="#4f81bd">August, 04, 2024</font></p> ## BIG IDEAS - The Sun is 99.86% of the mass of the entire [[Solar System|solar system]]. - The Sun's immense energy is produced through nuclear fusion. - Energy radiates outward from the Sun's core. - Fusion in the Sun's core operates under extreme temperatures and pressures. - The Sun is composed of several layers: the core, radiative zone, convective zone, photosphere, chromosphere, and corona. - Sunspots are cooler, darker regions on the Sun's surface caused by magnetic activity. - Coronal Mass Ejections (CMEs) are massive bursts of solar wind and magnetic fields. ### Sources 1. [Stanford SOLAR Center](http://solar-center.stanford.edu/) 2. [ESA - Solar Orbiter](https://www.esa.int/Science_Exploration/Space_Science/Solar_Orbiter) --- [[Home]] | [[Astronomy]] | [[Heliocentrism]] | [[Solar System]] | [[Earth]]