Astronomy current events question: primitive achondrite meteorite flux

Astronomy 210L, spring semester 2017
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!)
(Unattributed), "Today’s Rare Meteorites Were Once Common" (January 23, 2017)
Researchers determined that meteorites falling to Earth today are different than those that fell 467 million years ago, by studying samples from:
(A) Mars' surface.
(B) fossilized amber.
(C) an exposed ancient seafloor.
(D) extinct volcanoes.
(E) dinosaur bone marrow.

Correct answer: (C)

Student responses
Sections 30679, 30680
(A) : 11 students
(B) : 4 students
(C) : 16 students
(D) : 0 students
(E) : 0 students

No comments: