What causes stars to twinkle?
. Stars are able to twink because of our atmosphere and the different temperatures and densities, as a result the stars have a bright figure and twinkle
What do humans do to reduce this effect
Due to the rapid increase in human activity, light pollution is a result, and due to light pollution, the less we see the stars. Light pollution is caused by artificial light produced by humans like street lights, buildings and ect.
How can we reduce light pollution?
Ways to reduce the amount of light pollution is turning off lights when they aren’t being used, curtains can also used to to prevent light coming outside and contributing to light pollution.