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Astronomy Exams.

49 Questions  I  By Csulb_furreal
Astronomy exams.
Astronomy quiz

  
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1.  Essentially all the elements heavier than iron in our galaxy were formed
A.
B.
C.
D.
2.  Neutron stars have masses that range from
A.
B.
C.
D.
3.  What event leads to the formation of a red giant?
A.
B.
C.
D.
E.
4.  In A.D. 1054, Chinese astronomers observed the appearance of a new star, whose location is now occupied by
A.
B.
C.
D.
E.
5.  The collapse of the core of a high-mass star at the end of its life lasts approximately
A.
B.
C.
D.
6.  The lowest mass object that can initiate thermonuclear fusion of hydrogen has a mass of about
A.
B.
C.
D.
E.
7.  Measured ages of globular clusters and a study of the time required for massive stars to build up the present abundance of heavy elements suggests that the universe is
A.
B.
C.
D.
E.
8.  What temperature does COBE find the Big Bang has cooled to by now?
A.
B.
C.
D.
E.
9.  As a high-mass main-sequence star evolves off the main sequence, it follows a _______ on the HR diagram
A.
B.
C.
D.
10.  All Jovian planets have
A.
B.
C.
D.
E.
11.  If the Earth were to be condensed down in size until it became a black hole, its Schwarzschild radius would be
A.
B.
C.
D.
12.  A brown dwarf is
A.
B.
C.
D.
E.
13.  Which one supports the solar nebula theory of the origin of the solar system?
A.
B.
C.
D.
14.  Neutron stars have ____________ magnetic fields.
A.
B.
C.
D.
15.  The Sun will at some time in the future become
A.
B.
C.
D.
16.  ________ is the result of mass distorting the fabric of spacetime.
A.
B.
C.
D.
17.  When the core of a star shrinks after hydrogen fusion stops,
A.
B.
C.
D.
18.  Which of the following is not a characteristic of the terrestrial planets?
A.
B.
C.
D.
E.
19.  If we lived on a galaxy one billion light-years from our own, what would we see?
A.
B.
C.
D.
20.  Comets and asteroids are
A.
B.
C.
D.
21.  Conservation of angular momentum states that as a cloud of interstellar gas and dust collapses, the velocity of the particles increases.
A.
B.
22.  The Oot Cloud is believed to be
A.
B.
C.
D.
E.
23.  Black holes that are stellar remnants can be found by searching for
A.
B.
C.
D.
24.  A Cepheid star varies in luminosity because
A.
B.
C.
D.
25.  Which planet by itself contains the majority of mass of all the planets?
A.
B.
C.
D.
E.
26.  The large planetesimals would have grown faster than the smaller planetesimals because
A.
B.
C.
D.
E.
27.  What produces a type-I supernova?
A.
B.
C.
D.
28.  Neutron stars do not have:
A.
B.
C.
29.  The event horizon of a black hole is defined as
A.
B.
C.
D.
30.  A surface explosion on a white dwarf, caused by falling matter from the atmosphere of its binary companion, creates what kind of object?
A.
B.
C.
D.
31.  Which of the following is inferred by Hubble's law?
A.
B.
C.
D.
32.  If the theory that novae occur in close binary systems is correct, then novae should
A.
B.
C.
D.
33.  What is a planetary nebula?
A.
B.
C.
D.
34.  Hubble's constant H0 , represents
A.
B.
C.
D.
35.  If galaxy A is four times more distant than galaxy B, then according to the Hubble Law, galaxy A will recede __________ than galaxy B.
A.
B.
C.
D.
E.
36.  Most planets thus far discovered around other stars were found by
A.
B.
C.
D.
37.  We can identify only a small fraction of all the pulsars that exist in our galaxy because
A.
B.
C.
D.
38.  One outstanding feature of globular clusters is their lack of ________ main sequence stars
A.
B.
C.
D.
39.  What characteristic of a star cluster is used to determine its age?
A.
B.
C.
D.
40.  The Helix and Ring nebulae are
A.
B.
C.
D.
41.  The density of a _________ is greater than the density of a ___________.
A.
B.
C.
D.
E.
42.  Open clusters contain mostly
A.
B.
C.
D.
43.  Homogeneity and isotropy, taken as assumptions regarding the structure and evolution of the universe, are known as
A.
B.
C.
D.
E.
44.  What are small bodies in the solar system which travel about the Sun in highly eccentric orbits?
A.
B.
C.
D.
45.  Which of the following are the Jovian planets?
A.
B.
C.
D.
E.
46.  Degenerate refers to a state of matter at
A.
B.
C.
D.
47.  What is Cygnus X-1?
A.
B.
C.
D.
E.
48.  Because almost all galaxies show redshifted spectra, we know that
A.
B.
C.
D.
E.
49.  A star is considered to begin its main sequence life when
A.
B.
C.
D.
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