<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
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