Monday, November 7, 2011

The starts

what is the star: 
 The star is of portion of hot gas from stellar nebula like the sun the star can hot or cols or small and bigger 


Types of start: 
exist 4 types of stars 
Supergiant
Giant 
Mean sequence 
and White dwarf 


What is H-R Diagram 
Is the graphical tool can to help us to classify the stars by temperature, color, size, type and name .


Nuclear Fusion :
Is the chemical composition by hydrogen and helium is the process of energy of the star


The life Cycle of a star:  
Is the process the star are created 

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