Astronomy current events question: Eta Carinae Great Eruption

Astronomy 210L, spring semester 2012
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!)
Dave Mosher, "'Light Echoes' From Monster Star's Eruption Found—A First," February 16, 2012
Researchers at the National Optical Astronomy Observatory in Chile were able to study light from the 19th century Great Eruption of the star system Eta Carinae by:
(A) digitizing old photographic negatives.
(B) imaging light reflected by nearby dust clouds.
(C) releasing photons still inside antique telescopes.
(D) retrieving old data from Voyager I and Voyager II spacecraft.
(E) extracting iridium from old rock samples.

Correct answer: (B)

Student responses
Sections 30678, 30679, 30680
(A) : 4 students
(B) : 36 students
(C) : 2 students
(D) : 9 students
(E) : 4 students

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