Light pollution due to Satellite

Light Dispersion

• When the white light is passed through a glass prism it splits into a spectrum of colors (violet, indigo, blue, green, yellow, orange, and red).
• The process of white light splitting into its constituent colors is known as dispersion.
  

Light Pollution

• Light pollution is the presence of anthropogenic and artificial light during the night.
  • The light alters the natural conditions of the environment.
• Cause: It gets increased by the excessive, misdirected, and obtrusive use of light.
  • One of the major causes of light pollution is urbanization.
• Impacts:It is associated with compromising health, disruption in ecosystem and in spoiling environments.

Components of light pollution

• Glare: excessive brightness which causes visual discomfort
• Skyglow: It causes the brightening of the night sky over inhabited areas
• Light trespass: The light falls where it is not intended or needed
• Clutter: It comprises of accumulation of bright, confusing, and excessive groupings of light sources