Astronomy Test 4

34 Questions  I  By Brentzel

  
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1.  Where are most heavy elements (all elements other than hydrogen and helium) made?
A.
B.
C.
D.
E.
2.  Compared with stars in the disk, orbits of stars in the halo
A.
B.
C.
D.
E.
3.  Why is there an upper limit to the mass of a white dwarf?
A.
B.
C.
D.
E.
4.  Which of the following statements about black holes is NOT true?
A.
B.
C.
D.
E.
5.  A 10 solar mass main sequence star will produce which of the following remnants?
A.
B.
C.
D.
E.
6.  Which of the following is the closest in size (radius) to a white dwarf?
A.
B.
C.
D.
E.
7.  How does the interstellar medium affect our view of most of the Galaxy?
A.
B.
C.
D.
E.
8.  The last "ash" form nuclear burning in a high-mass star is 
A.
B.
C.
D.
9.  A high-mass star CANNOT produce which of the following?
A.
B.
C.
D.
E.
10.  From an observational standpoint, what is a pulsar?
A.
B.
C.
D.
E.
11.  The material between the stars is called the
A.
B.
C.
D.
E.
12.  Which of the following statements comparing halo stars to our Sun is NOT true?
A.
B.
C.
D.
E.
13.  Which of the following is the closest in mass to a white dwarf?
A.
B.
C.
D.
E.
14.  When the iron core in a star collapses it is transformed into
A.
B.
C.
D.
E.
15.  Which of the following is closest in size (radius) to a neutron star?
A.
B.
C.
D.
E.
16.  Which of the following is true about the origin of the Milky Way Galaxy
A.
B.
C.
D.
E.
17.  Which of the following stages of stellar evolution does a high-mass star NOT experience?
A.
B.
C.
D.
E.
18.  Fill in the blank: The more massive a white dwarf, the ________. 
A.
B.
C.
D.
E.
19.  Where does most star formation occur in the Milk Way today?
A.
B.
C.
D.
E.
20.  If our galaxy was a spherical system rather than a disk, how would the appearance of the night sky be different?
A.
B.
C.
D.
E.
21.  Which of the following statements about novae (plural of nova) is NOT true?
A.
B.
C.
D.
E.
22.  The event horizon of a black hole is
A.
B.
C.
D.
E.
23.  How do we know that pulsars are neutron stars?
A.
B.
C.
D.
E.
24.  What kind of objects lie in the disk of our Galaxy?
A.
B.
C.
D.
E.
25.  Which of the following statements about a white dwarf is NOT true?
A.
B.
C.
D.
E.
26.  What kind of objects lie in the halo of our Galaxy?
A.
B.
C.
D.
E.
27.  Compared to the star it evolved from, a white dwarf is
A.
B.
C.
D.
E.
28.  The helium fusion process results in the production of 
A.
B.
C.
D.
E.
29.  Compared with our Sun, most stars in the halo are
A.
B.
C.
D.
E.
30.  Which of the following is NOT an indicator of recent star formation?
A.
B.
C.
D.
E.
31.  Why are we unlikely to find Earth-like planets around halo stars in the Galaxy?
A.
B.
C.
D.
E.
32.  Suppose a white dwarf is gaining mass because of accretion in a binary system. What happens if the mass someday reaches the 1.4-solar-mass-limit?
A.
B.
C.
D.
E.
33.  What evidence supports the theory that there is a black hole at the center of our Galaxy? 
A.
B.
C.
D.
E.
34.  It is difficult to determine the properties of the Milky Way galaxy because 
A.
B.
C.
D.
E.
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