20181005

Astronomy current events question: Ceres' cyrovolcanoes

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!)
Emily Walla, "Ceres Takes Life an Ice Volcano at a Time" (September 14, 2018)
lpl.arizona.edu/news/spotlight/ceres-takes-life-ice-volcano-time
Researchers used computer simulations of how rock and ice slowly __________ over time to estimate the ages of cryovolcanoes on the dwarf planet Ceres' surface.
(A) accumulate in frozen lakes.
(B) harden and crack.
(C) flow under their own weight.
(D) vaporize.
(E) form tectonic plates.

Correct answer: (C)

Student responses
Sections 70178, 70186
(A) : 3 students
(B) : 4 students
(C) : 11 students
(D) : 0 students
(E) : 1 students

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