Astronomy current events question: brown dwarf WD 0806-661 B

Astronomy 210L, fall semester 2011
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!)
Alasdair Wilkins, "Tiny Failed Star Is The Coldest Object We’ve Ever Photographed," October 19, 2011
NASA's Spitzer space telescope imaged the brown dwarf WD 0806-661 B, which is notable for being the __________ detected so far.
(A) coldest star-like object.
(B) lowest-mass star.
(C) most radioactive star.
(D) farthest planet.
(E) most Earth-like planet.

Correct answer: (A)

Student responses
Sections 70178, 70186, 70200
(A) : 22 students
(B) : 1 student
(C) : 0 students
(D) : 2 students
(E) : 1 student

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