Astronomy Chapter Thirteen

17 Questions  I  By Moonshark13

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