Astronomy Chapter Thirteen

17 Questions  I  By Moonshark13

  
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1.  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.
2.  What causes the radio pulses of a pulsar?
A.
B.
C.
D.
E.
3.  A teaspoonful of neutron star material on Earth would weigh
A.
B.
C.
D.
E.
4.  How does a 1.2-solar-mass white dwarf compare to a 1.0-solar-mass white dwarf?
A.
B.
C.
D.
E.
5.  Which of the following is closest in size (radius) to a neutron star?
A.
B.
C.
D.
E.
6.  Which of the following is closest in mass to a white dwarf?
A.
B.
C.
D.
7.  What is the upper limit to the mass of a white dwarf?
A.
B.
C.
D.
E.
8.  What is the ultimate fate of an isolated white dwarf?
A.
B.
C.
D.
E.
9.  What kind of pressure supports a white dwarf?
A.
B.
C.
D.
E.
10.  White dwarfs are so called because
A.
B.
C.
D.
E.
11.  From an observational standpoint, what is a pulsar?
A.
B.
C.
D.
12.  After a massive-star supernova, what is left behind?
A.
B.
C.
D.
E.
13.  Degeneracy pressure is the source of the pressure that stops the crush of gravity in all the following except:
A.
B.
C.
D.
E.
14.  Which of the following statements about black holes is not true?
A.
B.
C.
D.
E.
15.  How does a black hole form from a massive star?
A.
B.
C.
D.
E.
16.  Which of the following is closest in size (radius) to a white dwarf?
A.
B.
C.
D.
E.
17.  A teaspoonful of white dwarf material on Earth would weigh
A.
B.
C.
D.
E.
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