Astronomy current events question: "pulsar in a box" simulation

Astronomy 210L, fall semester 2018
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!)

Francis Reddy, "‘Pulsar in a Box’ Reveals Surprising Picture of a Neutron Star’s Surroundings" (October 10, 2018)
nasa.gov/feature/goddard/2018/pulsar-in-a-box-reveals-surprising-picture-of-a-neutron-star-s-surroundings

A computer-simulated "pulsar in a box" was used to study the behavior of __________ surrounding neutron star pulsars.
(A) light echoes.
(B) radio waves.
(C) heavy elements.
(D) charged particles.
(E) gravitational waves.

Correct answer: (D)

Student responses
Sections 70178, 70186
(A) : 3 students
(B) : 5 students
(C) : 1 student
(D) : 11 students
(E) : 5 students