Astronomy current events question: white dwarf LSPM J0207+3331 debris disk

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!)

Jeanette Kazmierczak, "Citizen Scientist Finds Ancient White Dwarf Star Encircled by Puzzling Rings" (February 19, 2019)
nasa.gov/feature/goddard/2019/citizen-scientist-finds-ancient-white-dwarf-star-encircled-by-puzzling-rings

From recent observations, LSPM J0207+3331 (originally discovered by a "crowdsource" volunteer) was determined to be a(n):
(A) fast radio burst.
(B) new moon of Jupiter.
(C) Earth-crossing asteroid.
(D) slowly rotating neutron star.
(E) white dwarf with a debris disk.

Correct answer: (E)

Student responses
Sections 30679, 30680
(A) : 0 students
(B) : 0 students
(C) : 2 students
(D) : 2 students
(E) : 32 students