The life cycle of a star
2nd May 2017
            Nebula
Stars start of life in a nebula, a cloud of hydrogen gas and dust. Here all the elements necessary for making a star are blown around and chemically react with each other. There are several different types of nebula. The Orion nebula, for example, is an Emission Nebula. This means that it...
         
         
    
     
    
     
    
     
    
     
    
     
    
     
    
     
    
     
    
     
    
     
    
    