Astronomy current events question: "hot jupiter" formation around CI Tau

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!)

Sarah Collins, "Giant Planets around Young Star Raise Questions about How Planets Form" (October 15, 2018)
cam.ac.uk/research/news/giant-planets-around-young-star-raise-questions-about-how-planets-form

The Atacama Large Millimeter/submillimeter Array discovered "hot jupiter" planets forming around the star CI Tau, based on __________ in the star's protoplanetary disk.
(A) gaps.
(B) granules.
(C) gas vortices.
(D) infrared hot spots.
(E) gravitational waves.

Correct answer: (A)

Student responses
Sections 70178, 70186
(A) : 6 students
(B) : 1 student
(C) : 4 students
(D) : 6 students
(E) : 2 students