Star |
There four main type of stars Main Sequence, White Dwarf, Giants and super Giants. Characteristics of stars are temperature, luminosity, color, Spectral class. Nuclear Fusion is reaction of change two hydrogen gas into a helium molecule inside the stars. This is how a star makes energy. All Stars are born from stellar nebula. Stellar Nebula is a could of gases and dust. There is 3 types of stars life. Its life cycle is Red giant, Planetary Nebula, White dwarf, then black dwarf. Another type is huge stars. Its life cycle is Red supergiant, Supernova, then Neutron star. Last is the giant stars, its life cycle is Red super giant, Super nova, then Black hole.
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