20091208

Astronomy current events question: Enceladus geysers

Astronomy 210L, Fall Semester 2009
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!)
Alan MacRobert, "Cassini Visits a Science-Fiction World," November 23, 2009
http://www.skyandtelescope.com/news/71703192.html
The newest images from the Cassini space probe of Saturn's moon, Enceladus, show:
(A) a newly discovered ring system.
(B) large mats of photosynthesizing algae.
(C) erupting water vapor and dust geysers.
(D) recent tectonic ice motion.
(E) water circulating under sections of transparent ice.

Correct answer: (C)

Student responses
Sections 70178, 70186, 70200
(A) : 4 students
(B) : 2 students
(C) : 18 students
(D) : 4 students
(E) : 5 students

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