The Sky

1) Why Does the Sky Look Completely Red in the Evening?

  • This happens due to the scattering of sunlight.
  • Due to dust particles and gases present in the atmosphere, the blue colour of white light scatters in different directions, and the red colour is prominently visible from a far distance.
  • This makes the sky appear red.
 

2) What Are the Shooting Stars? Do Stars Fall?

  • The shooting stars are not really 'the stars'.
  • They are the comets which enter the Earth's atmosphere with a fiery speed.
  • Due to this speed, the air around them glows while they pass.
  • The tail seen behind is the burned dust particles.
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