Light Pollution: Starless Sky and Damaged Nature

What is light pollution in simple words?

Types of light pollution

  • Skyglow: yellow or orange halo in the night sky;
  • Glare: bright light from passing cars or street lamps;
  • Light trespass: street light shining into your room;
  • Satellite glow: brightening of the sky by artificial satellites.

What is the scale for light pollution?

How to measure light pollution yourself?

Light pollution effects

How to reduce light pollution?

  • Using warm yellow light instead of blue light;
  • Dimming all unnecessarily bright light sources;
  • Shielding light fixtures so that no light escapes into the sky.
  • Turn off lights when you don’t need them;
  • Use warm-colored light bulbs;
  • Switch to LEDs — they waste less electricity;
  • Replace outdoor lights with shielded light fixtures;
  • Install motion sensors on outdoor lamps.

F.A.Q.

--

--

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store
Star Walk

Star Walk

Point your device at the sky and see what stars, constellations, and satellites you are looking at 🌌✨ https://starwalk.space