Photograph of the United States at Night
![Photograph of the United States at Night](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/fig1-dnb_united_states_sml.jpg?itok=8I3a7OC2)
Detailed Description
The importance of electric power is demonstrated by this view from space of lights across the continental United States at night. Credit: NASA
The importance of electric power is demonstrated by this view from space of lights across the continental United States at night. Credit: NASA