Universe into the words.

 ` Beautiful Dancing Waves   Imagine you are under a dark sky and suddenly the colorful waves appear in the sky and turns darkness into the bright beautiful sky filled with different colours of rainbow and their shades. Those beautiful dancing waves are the “Auroras” or Polar Lights.    Polar lights (aurora polaris) are a natural phenomenon found in both the northern and southern hemispheres that can be truly awe inspiring. Northern lights are also called by their scientific name aurora borealis, and southern lights are called aurora australis.  History    It wasn’t until 1619 though, that Galileo Galilei coined the term "aurora borealis." Derived from the Greek words "aurora" meaning "sunrise," and "boreas" meaning "wind," the Greeks believed Aurora to be the sister of Helios and Selene. Helios was the sun. Selene was the moon.   Later on, Henry Cavendish recorded the first scientific observations of the northern lights in 1790. Using ...