Review Questions
By Formative Library
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Last updated over 2 years ago
8 Questions
1
1.
Explain how parallax measurements can be used to determine distances to stars. Why can we not make accurate measurements of parallax beyond a certain distance?
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2.
Suppose you have discovered a new cepheid variable star. What steps would you take to determine its distance?
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3.
Explain how you would use the spectrum of a star to estimate its distance.
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4.
Which method would you use to obtain the distance to each of the following?
An asteroid crossing Earth’s orbit
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5.
Which method would you use to obtain the distance to each of the following?
A star astronomers believe to be no more than 50 light-years from the Sun
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6.
Which method would you use to obtain the distance to each of the following?
A tight group of stars in the Milky Way Galaxy that includes a significant number of variable stars
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7.
Which method would you use to obtain the distance to each of the following?
A star that is not variable but for which you can obtain a clearly defined spectrum
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8.
What are the luminosity class and spectral type of a star with an effective temperature of 5000 K and a luminosity of 100LSun?
Please take the time to check out the source for this material from Openstax if you plan to use this in your lesson plan!: https://openstax.org/books/astronomy/pages/19-review-questions