Astronomy current events question: supernova 1987A dust reforming

Astronomy 210L, spring semester 2019
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!)

Kassandra Bell, "SOFIA Finds Dust Survives Obliteration in Supernova 1987A" (February 8, 2019)
nasa.gov/feature/sofia-finds-dust-survives-obliteration-in-supernova-1987a

NASA's Stratospheric Observatory for Infrared Astronomy (SOFIA) airborne telescope detected __________ reforming from the blast wave of supernova 1987A.
(A) dust.
(B) comets.
(C) hydrogen.
(D) exoplanets.
(E) dark matter.

Correct answer: (A)

Student responses
Sections 30679, 30680
(A) : 30 students
(B) : 0 students
(C) : 5 students
(D) : 4 students
(E) : 4 students