An observer in the northeast United States took a time exposure photograph from 10 p.m. until midnight of the stars over the northern horizon. Which diagram best represents this ph... An observer in the northeast United States took a time exposure photograph from 10 p.m. until midnight of the stars over the northern horizon. Which diagram best represents this photograph?
Understand the Problem
The question is asking which diagram best represents a time exposure photograph taken of stars over the northern horizon, indicating the expected star trails as viewed from that location.
Answer
Concentric circles/arcs centered around Polaris.
The diagram that best represents this photograph would show concentric circles or arcs centered around the North Star, Polaris.
Answer for screen readers
The diagram that best represents this photograph would show concentric circles or arcs centered around the North Star, Polaris.
More Information
When taking a time exposure photograph facing north in the northern hemisphere, stars appear to move in circular paths around Polaris due to Earth's rotation.
Tips
A common mistake is not recognizing that stars rotate around Polaris, appearing as circular trails in long exposures.
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