Astronomy current events question: water ice at the moon's poles

Astronomy 210L, fall semester 2018
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 and Jessica Culler, "Ice Confirmed at the Moon's Poles" (August 30, 2018)
jpl.nasa.gov/news/news.php?feature=7218

Reflected and absorbed infrared light observed by the Indian Space Research Organization's Chandrayaan-1 spacecraft provide evidence of __________ at the moon's poles.
(A) collapsing sinkholes.
(B) dormant volcanoes.
(C) magnetic storms.
(D) water ice.
(E) helium-3.

Correct answer: (D)

Student responses
Sections 70178, 70186
(A) : 0 students
(B) : 0 students
(C) : 5 students
(D) : 20 students
(E) : 1 student