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Astronomy Chapter Thirteen

17 Questions  I  By Moonshark13
Astronomy Chapter Thirteen

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