There are four types of stars. First there are the supergiants these stars have the highest luminosity and different degree of temperature. Secondly there are the white dwarfs these stars are white and have the lowest luminosity and high temperature. Thirdly there are the giants but there are different kinds: there are the redgiants, the bluegiants and the yellowgiants. These stars have highest luminosity and low temperature. Lastly there are the main sequence stars these stars have different luminosity temperature and sizes.
The H-R Diagram is like a graph where we sort the stars base on their luminosity, temperature, type, color, spectral class, size and name. It gives all the necessary information about stars.
Nuclear fusion
the stars
what is a star
Types of stars
H-R Diagram
A star is a giant ball of hot gas. In the extremely hot center there’s nuclear reaction, it turns two hydrogen gas into helium molecule this process is called nuclear fusion it creates energy.
The life cycle of a stars
It is created inside of the stellar nebula, it become a huge Star then it gets bigger into red super giant then it immensely explode into supernova after it gets small into a neutron star.
It is created inside of the stellar nebula, it become a huge Star then it gets bigger into red super giant then it immensely explode into supernova after it gets small into a neutron star.
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