Astronomy current events question: gas/dust disk around red dwarf star AWI0005x3s

Astronomy 210L, fall semester 2016
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 Ramsey, "NASA, Citizen Scientists Discover Potential New Hunting Ground for Exoplanets" (October 21, 2016)
nasa.gov/press-release/nasa-citizen-scientists-discover-potential-new-hunting-ground-for-exoplanets

Volunteer "citizen scientists" analyzed data from NASA’s Wide-field Infrared Survey Explorer spacecraft to discover a __________ surrounding the red dwarf star AWI0005x3s.
(A) gas and dust disk.
(B) white dwarf.
(C) miniature black hole.
(D) Dyson sphere.
(E) dark matter pocket.

Correct answer: (A)

Student responses
Sections 70178, 70186
(A) : 20 students
(B) : 0 students
(C) : 2 students
(D) : 1 student
(E) : 3 students