<p align="right">Last Update: <font color="#4f81bd">January 07, 2025</font></p> ## BIG IDEAS - A star is defined as a massive, luminous sphere of plasma held together by its own gravity. - Stars generate energy through nuclear fusion reactions in their cores. - Stars typically go through several stages of evolution. ### Stages of Evolution Main sequence, red giant or supergiant, and eventually end their lives as white dwarfs, neutron stars, or black holes, depending on their initial mass. ### Slide Deck <div style="position: relative; width: 100%; height: 0; padding-top: 56.2500%; padding-bottom: 0; box-shadow: 0 2px 8px 0 rgba(63,69,81,0.16); margin-top: 1.6em; margin-bottom: 0.9em; overflow: hidden; border-radius: 8px; will-change: transform;"> <iframe loading="lazy" style="position: absolute; width: 100%; height: 100%; top: 0; left: 0; border: none; padding: 0;margin: 0;" src="https://www.canva.com/design/DAGaEIpq8Ws/T5KQsGsHWl06huyxps5c-w/view?embed" allowfullscreen="allowfullscreen" allow="fullscreen"> </iframe> </div> --- Return [[Home|Home]] | [[The Big Bang|The Big Bang Theory]] | [[Solar System]] | [[Galaxies]] | [[Star Clusters]] | [[Superclusters]] | [[Black Holes]]