Astronomy 10 Midterm 2, Spring Semester 2008
Cuesta College, San Luis Obispo, CA
Astronomy 10 learning goal M2.3
[3.0 points.] Which one of the following choices best explains why stony-iron meteorites are the least abundant of the asteroid-source meteorites found on the surface of the Earth?
(A) They are debris from planetesimal bombardments of the Moon, or Mars, that somehow traveled through space and entered the atmosphere of the Earth.
(B) They are not dense enough to adequately survive entering the atmosphere of the Earth.
(C) They only come from the cores of large asteroids.
(D) They only come from the outermost part of large asteroids.
(E) They only come from a thin boundary layer within large asteroids.
Correct answer: (E).
Student responses
Section 5166
(A) : 8 students
(B) : 18 students
(C) : 13 students
(D) : 1 student
(E) : 23 students
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