Astronomy current events question: repeated fast radio bursts from FRB 121102

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!)

Robert Sanders, "AI Helps Track Down Mysterious Cosmic Radio Bursts" (September 10, 2018)
news.berkeley.edu/2018/09/10/ai-helps-track-down-mysterious-cosmic-radio-bursts/

Researchers trained a computer program to search through archived data to identify previously undetected __________ from an unknown source in a distant galaxy.
(A) plasma jets.
(B) gravitational waves.
(C) cosmic background radiation.
(D) fast radio bursts.
(E) gamma rays.

Correct answer: (D)

Student responses
Sections 70178, 70186
(A) : 0 students
(B) : 2 students
(C) : 2 students
(D) : 18 students
(E) : 5 students