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✨ What is the universe?✨ - Coggle Diagram

- - - - elliptical
      - spiral
      - irregular
    - - The arm is called the Orion arm
  - - - This is emitted in the form of light and heat
    - - colour
        
        hottest
        
        White or blue
        
        coldest
        
        Orange or red
      - size
        
        Can be:
        
        Dwarf stars
        
        gigants
        
        supergigants
      - brightness
        
        Depends of:
        
        luminosity
        
        Is the amount of light o star emits
        
        distance from earth
        
        The closest stars look brighter