Astronomy current events question: Ebb and Flow GRAIL spacecraft

Astronomy 210L, spring semester 2012
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!)
D. C. Agle, Dwayne Brown, and Caroline McCall, "NASA's Twin GRAIL Spacecraft Begin Collecting Lunar Science Data," March 7, 2012
NASA's twin GRAIL mission spacecraft Ebb and Flow, orbiting the moon, have now begun collecting data to:
(A) map the moon's gravitational field.
(B) evaluate future moon base sites.
(C) find subsurface ice.
(D) measure Earth's tides.
(E) detect incoming solar flares.

Correct answer: (A)

Student responses
Sections 30678, 30679, 30680
(A) : 13 students
(B) : 1 student
(C) : 6 students
(D) : 2 students
(E) : 3 students

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