Astronomy Chapter Eleven

19 Questions  I  By Moonshark13
Astronomy Quizzes & Trivia

  
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1.  Which of the following is true about low-mass stars compared to high-mass stars?
A.
B.
C.
D.
E.
2.  What are the standard units for luminosity?
A.
B.
C.
D.
E.
3.  Which of the following terms is given to a pair of stars that appear to change positions in the sky, indicating that they are orbiting one another?
A.
B.
C.
D.
E.
4.  A star's luminosity is the
A.
B.
C.
D.
E.
5.  On a Hertzsprung-Russell diagram, where would we find stars that have the largest radii?
A.
B.
C.
D.
6.  Since all stars begin their lives with the same basic composition, what characteristic most determines how they will differ?
A.
B.
C.
D.
E.
7.  Cluster ages can be determined from
A.
B.
C.
D.
E.
8.  On a Hertzsprung-Russell diagram, where would we find stars that are cool and dim?
A.
B.
C.
D.
9.  On a Hertzsprung-Russell diagram, where would we find red giant stars?
A.
B.
C.
D.
10.  Which of the following best describes the axes of a Hertzsprung-Russell (H-R) diagram?
A.
B.
C.
D.
E.
11.  The spectral sequence sorts stars according to
A.
B.
C.
D.
E.
12.  Suppose you measure the parallax angle for a particular star to be 0.1 arcsecond. Thedistance to this star is
A.
B.
C.
D.
E.
13.  If the distance between us and a star is doubled, with everything else remaining the same,the luminosity
A.
B.
C.
D.
E.
14.  Which of the following luminosity classes refers to stars on the main sequence?
A.
B.
C.
D.
E.
15.  On a Hertzsprung-Russell diagram, where would we find white dwarfs?
A.
B.
C.
D.
16.  Which of the following statements about an open cluster is true?
A.
B.
C.
D.
E.
17.  Which of the following correctly states the luminosity-distance formula?
A.
B.
C.
D.
18.  On a Hertzsprung-Russell diagram, where would we find stars that are cool and luminous?
A.
B.
C.
D.
19.  The spectral sequence in order of decreasing temperature is
A.
B.
C.
D.
E.
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