Few people today know that the Milky Way is a spiral arm of our galaxy that contains a dense cluster of stars. In the past, it appeared not as individual points of light, but as a splash of light across the night sky. Why is it no longer visible this way?
A) the greenhouse effect
B) light pollution
C) urban sprawl
D) air pollution

Question

Quizplus · Accepted Answer

Light pollution from artificial sources such as streetlights, buildings, and cars has made it difficult to see the Milky Way as a splash of light across the night sky.

Few People Today Know That the Milky Way Is a Spiral