Astronomy current events question: NGC 1510 and NGC 1512 galactic merger

Astronomy 210L, fall semester 2017
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!)

Mathias Jäger, "Galactic David and Goliath" (July 27, 2017)
spacetelescope.org/news/heic1712/

The Hubble Space Telescope observed evidence of __________ caused by galaxy NGC 1512 merging with a smaller galaxy NGC 1510.
(A) supermassive black holes.
(B) potentially habitable exoplanets.
(C) star formation.
(D) gamma waves.
(E) supernova explosions.

Correct answer: (C)

Student responses
Sections 70178, 70186
(A) : 2 students
(B) : 6 students
(C) : 31 students
(D) : 2 students
(E) : 9 students