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Astronomy current events question: discovery of dwarf planet V774104

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!)
Geoff Brumfiel, "Astronomers Spot Most Distant Object So Far In The Solar System" (November 16, 2015)
npr.org/sections/thetwo-way/2015/11/11/455643251/astronomers-spot-most-distant-object-in-the-solar-system
Dwarf planet V774104, the most distant solar system object discovered so far was detected by:
(A) gravitational lensing.
(B) gamma ray bursts.
(C) motion in photographs.
(D) reflected radio signals.
(E) gravitational forces on inner planets.

Correct answer: (C)

Student responses
Sections 70178, 70186
(A) : 1 students
(B) : 2 students
(C) : 14 students
(D) : 2 students
(E) : 1 students

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