Which statement describes absolute and apparent brightness?
Understand the Problem
The question is asking for a description that accurately distinguishes between absolute brightness and apparent brightness of stars. The user needs to identify which of the given statements best explains this concept.
Answer
Absolute brightness is the actual amount of light produced by the star, whereas apparent brightness changes with distance from the observer.
The final answer is: Absolute brightness is the actual amount of light produced by the star, whereas apparent brightness changes with distance from the observer.
Answer for screen readers
The final answer is: Absolute brightness is the actual amount of light produced by the star, whereas apparent brightness changes with distance from the observer.
More Information
Absolute brightness, also known as luminosity, is a measure of the true brightness of a star, independent of distance. Apparent brightness is how bright the star appears from Earth, which diminishes with distance.
Tips
A common mistake is confusing which brightness depends on distance. Remember: absolute brightness is constant regardless of distance.
Sources
- Stars Flash Cards - Quizlet - quizlet.com
- Apparent Brightness | Definition and Overview - Study.com - study.com
