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Astronomy Chapter Six

20 Questions  I  By Moonshark13
Astronomy Quizzes & Trivia

  
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Question Excerpt

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1.  What percentage of the mass of the solar nebula consisted of elements other than hydrogen and helium?
A.
B.
C.
D.
E.
2.  Approximately how many other planetary systems have been discovered to date?
A.
B.
C.
D.
E.
3.  Which is the densest planet in the solar system?
A.
B.
C.
D.
E.
4.  According to our theory of solar system formation, why do we find some exceptions to the general rules and patterns of the planets?
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B.
C.
D.
E.
5.  What percentage of the solar nebula's mass consisted of hydrogen and helium gases?
A.
B.
C.
D.
E.
6.  Which of the following has not been detected around other stars in the Galaxy?
A.
B.
C.
D.
E.
7.  The first planets around other Sun-like stars were discovered
A.
B.
C.
D.
E.
8.  What is astrometry?
A.
B.
C.
D.
E.
9.  Based on our current theory of Earth's formation, the water we drink comes from
A.
B.
C.
D.
E.
10.  Why did the solar nebula flatten into a disk?
A.
B.
C.
D.
11.  What kind of material in the solar nebula could remain solid at temperatures as high as 1,500 K, such as existed in the inner regions of the nebula?
A.
B.
C.
D.
E.
12.  Why did the solar nebula heat up as it collapsed?
A.
B.
C.
D.
E.
13.  Which planet search technique is currently best suited to finding Earth-like planets?
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B.
C.
D.
E.
14.  Which of the following observations indicates that conditions on Mars may have been suitable for life in the past?
A.
B.
C.
D.
E.
15.  Which planet search technique is currently best suited to finding Earth-like planets?
A.
B.
C.
D.
E.
16.  The heavy bombardment phase of the solar system lasted
A.
B.
C.
D.
E.
17.  According to our theory of solar system formation, why do all the planets orbit the Sun in the same direction and in nearly the same plane?
A.
B.
C.
D.
E.
18.  Which of the following are relatively unchanged fragments from the early period of planet building in the solar system?
A.
B.
C.
D.
19.  The age of the solar system can be established by radioactive dating of
A.
B.
C.
D.
E.
20.  What are the main constituents of the jovian planets?
A.
B.
C.
D.
E.
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