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Home  arrow Chapter 24  arrow Concept 1 Quiz

Concept 1 Quiz

Consider how astronomers measure and classify the distance, brightness, temperature, mass, and size of stars.

This activity contains 12 questions.

Question 1.
Using the information provided on this idealized Hertzsprung-Russell diagram, select the letter that indicates each of the indicated types of stars.

(H-R diagram, Copyright © Prentice Hall, Inc.)




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The letters A through E appear on an image associated with this question.

This question presents 5 items numbered 1.1 through 1.5. Each item is presented with a pulldown menu containing the letters A through E. For each item below, use the pull-down menu to select the letter that labels the correct part of the image.
[hint]
[hint]
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Question 2.
Stars with surface temperatures between 5000 and 6000 K (Kelvin) appear


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End of Question 2


Question 3.
Stellar parallax is used to determine a star's


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End of Question 3


Question 4.
One light-year is about


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End of Question 4


Question 5.
The measurement of a star's brightness is called


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End of Question 5


Question 6.
The color of a star is most closely related to its


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End of Question 6


Question 7.
The larger the magnitude number, the dimmer the star.


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End of Question 7


Question 8.
A first-magnitude star is about 100 times dimmer than a sixth-magnitude star.


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End of Question 8


Question 9.
The apparent brightness of a star as seen from Earth is determined by

 
End of Question 9


Question 10.
Binary stars are pairs of stars united by their mutual gravitation.


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End of Question 10


Question 11.
Stars that fluctuate in brightness by expanding and contracting are called


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End of Question 11


Question 12.
The two properties of a star that are plotted on an H-R diagram are


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End of Question 12





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