Measuring the Characteristics of Stars Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. The apparent change in frequency of a wave (e.g. sound or light wave) caused by the motion of the observer and/or source is known as:

Question 2 2. A blue star is _____ than a red one:

Question 3 3. An absorption line spectrum can also be called a:

Question 4 4. Which of these celestial objects cannot be seen with the naked eye, based on the concepts of the magnitude scale:

Question 5 5. Which telescope collects long wavelengths of light?

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Question 6 6. A stellar parallax (p) is a term for the deviation of a star measured across ____ AU:

Question 7 7. Which of these stars is more likely to have molecules in its atmosphere?

Question 8 8. A blueshift is a:

Question 9 9. If a white dwarf was to all of a sudden increase its luminosity, while maintaining its temperature, then it would have to:

Question 10 10. An AU, is an astronomical unit:

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Question 11 11. Which of the following is correct?

Question 12 12. For a star to be stable, a stars inner core must have:

Question 13 13. Which of these is coolest?

Question 14 14. An emission line spectrum refers to:

Question 15 15. The apparent brightness of a star as seen from Earth, expressed using the magnitude scale is known as:

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Question 16 16. The movement of an electron between energy levels is called:

Question 17 17. What is the name of a stepwise process of three nuclear reactions that build a helium atom?

Question 18 18. Which of these is the hottest?

Question 19 19. In order to move up an energy level, an electron will:

Question 20 20. Wien's law can be boiled down to:

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Question 21 21. Patterns of thin, bright lines, juxtaposed against a dark background are called:

Question 22 22. Where would you find a blue giant on the H-R diagram?

Question 23 23. Which types of telescopes collect light in the visible range?

Question 24 24. A watt is equal to:

Question 25 25. Unlike luminosity, apparent brightness depends on:

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Question 26 26. Where would you find a red giant on the H-R diagram?

Question 27 27. This is the force that binds protons and neutrons inside atomic nuclei:

Question 28 28. Which type of telescope is used by the Hubble Space Telescope?

Question 29 29. A star with a low luminosity and a low temperature would most likely fit which description?

Question 30 30. The brightness of a star as seen from Earth is known as:

Measuring the Characteristics of Stars Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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