Many say, the world is a stage, and we are all actors. We play a definite role assigned to us for a particular period. Then we will have to leave the stage. Sure, the world is a stage. What about the sky? The sky is a canvas, especially at night. What we call as sky is an optical illusion. There is no
such thing. We just feel it’s presence. The air particles, scatter light to create an image, that we call sky.