Stars |
Star is a very hot ball made of glowing gases. The types of stars are Main sequence, White Dwarf, Giant, and
Super Giant.
H-R diagram is a graphical tool that used to classify stars according to their luminosity, temperature and color. Nuclear fusion is when stars change gas two Hydrogen into Helium.
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Nuclear Fusion |
![](http://www.seasky.org/celestial-objects/assets/images/starlife.jpg)