Astronomy current events question: proposed "Orbiting Rainbows" space telescope

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!)

Elizabeth Landau, "Glitter Cloud May Serve as Space Mirror" (April 15, 2015)
http://www.jpl.nasa.gov/news/news.php?feature=4553

The "Orbiting Rainbows" proposal will image __________ by using lasers to shape a cloud of glitter-like grains in space.
(A) type II supernovae.
(B) dark matter.
(C) antimatter.
(D) exoplanets.
(E) reflection nebulae.

Correct answer: (D)

Student responses
Sections 30678, 30679, 30680
(A) : 0 students
(B) : 8 students
(C) : 0 students
(D) : 14 students
(E) : 14 students