Astronomy current events question: NASA Wide Field Infrared Survey Telescope

Astronomy 210L, spring 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!)

Whitney Clavin, Felicia Chou, and Lynn Chandler, "NASA Introduces New, Wider Set of Eyes on the Universe" (February 18, 2016)
jpl.nasa.gov/news/news.php?feature=5371

NASA's planned Wide Field Infrared Survey Telescope will detect faint light from exoplanets by blocking interfering light from:
(A) urban streetlights.
(B) our sun.
(C) their host stars.
(D) the aurora borealis.
(E) supernovas.

Correct answer: (C)

Student responses
Sections 30678, 30679, 30680
(A) : 2 students
(B) : 4 students
(C) : 28 students
(D) : 2 students
(E) : 4 students