Astronomy Chapter Eleven

19 Questions  I  By Moonshark13

  
Changes are done, please start the quiz.


Question Excerpt

Removing question excerpt is a premium feature

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


to post comments.

Removing ad is a premium feature

Upgrade and get a lot more done!
Take Another Quiz