Astronomy current events question: Pluto's hidden ocean?

Astronomy 210L, fall semester 2011
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!)
Nola Taylor Redd, "Pluto's Hidden Ocean," November 17, 2011
When NASA's New Horizons spacecraft passes by Pluto in 2015, it is expected to verify whether or not there is a subsurface ocean by looking at Pluto's:
(A) surface contours.
(B) geyser outflow composition.
(C) habitable zone.
(D) crater density.
(E) atmosphere composition.

Correct answer: (A)

Student responses
Sections 70178, 70186, 70200
(A) : 14 students
(B) : 3 students
(C) : 2 students
(D) : 2 students
(E) : 3 students

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