Astronomy current events question: asteroid dust in Venus' orbit

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!)

Lina Tran, "What Scientists Found After Sifting Through Dust in the Solar System" (March 12, 2019)
nasa.gov/feature/goddard/2019/what-scientists-found-after-sifting-through-dust-in-the-solar-system/

Researchers used computer models to propose that dust in Venus' orbit around the sun may come from asteroids:
(A) impacting the moon.
(B) vaporized by solar winds.
(C) traveling alongside Venus.
(D) deflected by Earth's gravity.
(E) attracted to the sun's magnetic fields.

Correct answer: (C)

Student responses
Sections 30679, 30680
(A) : 2 students
(B) : 10 students
(C) : 18 students
(D) : 3 students
(E) : 5 students