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Questions and Answers
Which of the following best describes the relationship between the luminosity and temperature of stars?
Which of the following best describes the relationship between the luminosity and temperature of stars?
- Luminosity and temperature are inversely proportional.
- Luminosity and temperature depend on the size of the star.
- Luminosity and temperature are unrelated.
- Luminosity and temperature are directly proportional. (correct)
What is the main factor that determines the size of a star?
What is the main factor that determines the size of a star?
- Brightness
- Distance
- Mass (correct)
- Radius
What are double stars?
What are double stars?
- Pairs of stars that have the same temperature.
- Stars that have twice the mass of single stars.
- Pairs of stars that orbit around a common center of mass. (correct)
- Stars that emit twice as much light as single stars.
What law can be used to determine the masses of stars?
What law can be used to determine the masses of stars?
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What is the relationship between the brightness and distance of stars in a binary system?
What is the relationship between the brightness and distance of stars in a binary system?
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