Astronomy current events question: new Milky Way dwarf galaxies

Astronomy 210L, spring 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!)
Sarah Collins

, "Welcome to the Neighbourhood: New Dwarf Galaxies Discovered in Orbit around the Milky Way" (March 19, 2015)
Images from the Dark Energy Survey camera revealed nine new __________ orbiting the Milky Way.
(A) potentially Earth-like planets.
(B) black holes.
(C) dwarf satellite galaxies.
(D) dark energy clouds.
(E) spiral arms.

Correct answer: (C)

Student responses
Sections 30678, 30679, 30680
(A) : 2 students
(B) : 2 students
(C) : 38 students
(D) : 6 students
(E) : 3 students

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