Astronomy current events question: hydrogen molecule sources on Enceladus

Astronomy 210L, spring semester 2017
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!)
Rob Leibold, "SwRI Scientists Discover Evidence for a Habitable Region with Saturn's Moon Enceladus" (April 13, 2017)
NASA's Cassini spacecraft detected __________ in material erupting from the surface of Saturn's moon, Enceladus, which may be a potential source of energy for microbes.
(A) hydrogen molecules.
(B) chlorophyll.
(C) amino acids.
(D) oxidized metals.
(E) riboflavin.

Correct answer: (A)

Student responses
Sections 30679, 30680
(A) : 20 students
(B) : 1 student
(C) : 2 students
(D) : 5 students
(E) : 1 student

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