Astronomy current events question: Northwest Africa (NWA) 11119 meteorite

Astronomy 210L, fall semester 2019
Cuesta College, San Luis Obispo, CA

Students are assigned to read online articles on current astronomy events, and take a short current events quiz during the first 10 minutes of lab. (This motivates students to show up promptly to lab, as the time cut-off for the quiz is strictly enforced!)
Karin Valentine, "Oldest-Ever Igneous Meteorite Contains Clues to Planet Building Blocks" (August 2, 2019)
The Northwest Africa (NWA) 11119 meteorite provides evidence for rocks in our solar system that were able to form before:
(A) the sun's fusion started.
(B) comets began to freeze.
(C) radioactive decay ended.
(D) terrestrial planets were born.
(E) asteroids were captured by the sun.

Correct answer: (D)

Student responses
Sections 70178, 70186
(A) : 6 students
(B) : 3 students
(C) : 1 student
(D) : 26 students
(E) : 2 students

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