Astronomy current events question: sleeping Jade Rabbit

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!)

Emily Poore, "Sleep of Death for China's Lunar Rover?," January 29, 2014
http://www.skyandtelescope.com/community/skyblog/newsblog/A-Sleep-of-Death-for-Chinese-Lunar-Rover-242585291.html

The Chinese moon rover Yutu ("Jade Rabbit") may not be able to revive itself after the most recent lunar night, when it was designed to __________ in order to survive.
(A) burrow underground.
(B) reconnect with the lander unit.
(C) restart its nuclear reactor.
(D) fold in on itself.
(E) extract magnetic field energy.

Correct answer: (D)

Student responses
Sections 30678, 30679, 30680
(A) : 2 students
(B) : 6 students
(C) : 3 students
(D) : 35 students
(E) : 2 students