20150904

Astronomy current events question: planetary "building blocks"

Astronomy 210L, fall semester 2015
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!)
Deb Schmid, "Astronomers Discover 'Young Jupiter' Exoplanet" (August 19, 2015)
swri.org/9what/releases/2015/planetary-pebbles-building-blocks-large-planets.htm
Southwest Research Institute and Queen’s University researchers propose that Jupiter and Saturn first formed from accumulating icy objects about a foot in diameter, based on:
(A) hydrogen to helium ratios.
(B) comet tail compositions.
(C) asteroid samples.
(D) computer simulations.
(E) protoplanets forming now.

Correct answer: (D)

Student responses
Sections 70178, 70186
(A) : 6 students
(B) : 0 students
(C) : 0 students
(D) : 7 students
(E) : 23 students

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