THE UNIVERSE

THE UNIVERSE

1. STARS

   • they are giant spheres of gas
   • ENERGY
     • In the interior they produce a lot of energy
   • LIGHT & HEAT
     • they give off light and heat. 
   • THE SUN
     • The only star of the Solar System.  Medium size. 
   • PROPERTIES
     • COLOUR
       • They can be  BLUE WHITE ORANGE  RED  Depending on the temperature. 
     • SIZE
       • The Sun is medium size. 
     • LUMINOSITY
       • It is the amount of energy produce in the core of a star. 
     • BRIGHTNESS
       • The light that reaches the Earth
       • distance
       • luminosity´s star

2. CONSTELLATIONS

   • iT IS A GROUP OF STARS THAT FORMS A PATTERN IN THE SKY.
   • PATTERN
     • INVENTED MYTHICAL FORMS AND FIGURES BY IMAGINING LINES CONNECTING GROUPS OF STARS. 

3. GALAXIES

   • It is a collection of 1000s or 1000000s of stars
   • rocks & gases
   • stars
   • SHAPES
     • SPIRAL
     • IRREGULAR
     • ELLIPTICAL
   • MILKY WAY
     • Our Solar System belongs to this  spiral galaxy
     • EARTH
       • it is located in one of the spiral arms. Far away form the centre.