Review Questions
By Formative Library
starstarstarstarstarstarstarstarstarstar
Last updated about 3 years ago
12 Questions
1 point
1
Question 1
1.
What two factors determine how bright a star appears to be in the sky?
What two factors determine how bright a star appears to be in the sky?
1 point
1
Question 2
2.
Explain why color is a measure of a star’s temperature.
Explain why color is a measure of a star’s temperature.
1 point
1
Question 3
3.
What is the main reason that the spectra of all stars are not identical? Explain.
What is the main reason that the spectra of all stars are not identical? Explain.
1 point
1
Question 4
4.
What elements are stars mostly made of? How do we know this?
What elements are stars mostly made of? How do we know this?
1 point
1
Question 5
5.
What did Annie Cannon contribute to the understanding of stellar spectra?
What did Annie Cannon contribute to the understanding of stellar spectra?
1 point
1
Question 6
6.
Name five characteristics of a star that can be determined by measuring its spectrum. Explain how you would use a spectrum to determine these characteristics.
Name five characteristics of a star that can be determined by measuring its spectrum. Explain how you would use a spectrum to determine these characteristics.
1 point
1
Question 7
7.
How do objects of spectral types L, T, and Y differ from those of the other spectral types?
How do objects of spectral types L, T, and Y differ from those of the other spectral types?
1 point
1
Question 8
8.
Do stars that look brighter in the sky have larger or smaller magnitudes than fainter stars?
Do stars that look brighter in the sky have larger or smaller magnitudes than fainter stars?
1 point
1
Question 9
9.
The star Antares has an apparent magnitude of 1.0, whereas the star Procyon has an apparent magnitude of 0.4. Which star appears brighter in the sky?
The star Antares has an apparent magnitude of 1.0, whereas the star Procyon has an apparent magnitude of 0.4. Which star appears brighter in the sky?
1 point
1
Question 10
10.
Based on their colors, which of the following stars is hottest? Which is coolest? Archenar (blue), Betelgeuse (red), Capella (yellow).
Based on their colors, which of the following stars is hottest? Which is coolest? Archenar (blue), Betelgeuse (red), Capella (yellow).
1 point
1
Question 11
11.
Order the seven basic spectral types from hottest to coldest.
Order the seven basic spectral types from hottest to coldest.
1 point
1
Question 12
12.
What is the defining difference between a brown dwarf and a true star?
What is the defining difference between a brown dwarf and a true star?
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/17-review-questions