Why are stars not visible in every part of the world even with clear skies?

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Why is it when in movies or pictures taken, the stars are bright and they’re everywhere visible but when I look at the sky from places like Dubai or Turkey, there are no stars. Isn’t stars abundant everywhere in space and should be visible around the world with clear skies?

In: Physics

3 Answers

Anonymous 0 Comments

Light that comes from the ground (buildings, street lights, cars, etc.) makes it harder to see stars. This is called “light pollution”.

It’s the same as how you have to turn your phone brightness up during the day to see the screen better, but at night you can use make the screen darker.

All the light from the ground make the dark sky a bit brighter, but you can’t turn up the brightness of the stars. So, only the brightest stars can still shine through.

If you drive away from Dubai into the empty desert, you will see many more stars even though it’s the same sky they see in the city.

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