Astronomy current events question: sudden appearance of "Pinnacle Rock"

Astronomy 210L, spring semester 2014
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!)
Ian O'Neill, "Mystery Rock 'Appears' in Front of Mars Rover," January 17, 2014
The Mars Exploration Rover Opportunity observed the sudden appearance of the small white rock "Pinnacle Island" that may have been moved by:
(A) one of its wheels.
(B) a recent marsquake.
(C) evaporating dry ice snow.
(D) a lightning strike.
(E) receding floodwaters.

Correct answer: (A)

Student responses
Sections 30678, 30679, 30680
(A) : 36 students
(B) : 7 students
(C) : 3 students
(D) : 5 students
(E) : 5 students

No comments: