SOLAR SYSTEM
    Solar system consists of 
      the sun,the eight planets
      and their satellites and
      millions of smaller celestial
      objects such as Asteroids,
      comets and meteorites.
    According to their order,
      the planets are Mercury,
      Venus,Earth,Mars,Jupiter,
      Saturn,Uranus,Neptune.
      
           THE SUN
    The sun is a star having
      a system of planets 
      around it.
    The sun is an extremely 
      hot object having 
      temperature 6000 degree
      celcius and consists mostly
       of Hydrogen gas.
    The sun is the main source
      of heat and light to Earth.
       
           PLANETS
    Heavenly bodies that 
     revolve around the sun 
     in an elliptical path
     called orbits are known 
     as planets.
    They reflect sunlight 
     that’s why look bright.
    They are divided into
       two categories- 
      the terrestrial and the jovian planets.
     TERRESTRIAL PLANETS 
       :MERCURY  (BUDH)
    It lies closer to the sun.
    It’s a dry ,hot,airless 
     planet.
    It is known as MORNING or
      EVENING STAR because it 
      visible just before sunrise 
      or immediately after the 
      sunset.
    It takes 88 days to complete
      one revolution.
        VENUS(SHUKRA)
    It is the brightest object 
      in our universe after the 
      sun and moon.
    Its surface is hotter than 
      mercury because of the
      high percentage of carbon- 
      dioxide in its surface.
    It is also known as morning
      or evening star.
    It also shows phases like moon.