WONDER #1850: How Dark Are Your Skies?

Question 1 of 3

Light pollution is the inappropriate or excessive use of what type of light?

1. sunlight
2. artificial
3. natural
4. night

Question 2 of 3

Approximately what percentage of the world’s population lives under skyglow?

1. 15%
2. 50%
3. 80%
4. 99%

Question 3 of 3

Which of the following is NOT a component of light pollution?

1. glare
2. skyglow
3. light trespass
4. nuclear waste

Check your answers online at https://wonderopolis.org/index.php/wonder/how-dark-are-your-skies.