Astronomy current events question: LkCa 15 protoplanet formation

Astronomy 210L, fall semester 2015
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!)
Bjorn Carey, "Stanford Astronomers Observe the Birth of an Alien Planet" (November 18, 2015)
Observations of __________ provide evidence of protoplanet formation around the star LkCa 15.
(A) glowing hydrogen gas.
(B) gamma ray emissions.
(C) reflected radio waves.
(D) spiral dust patterns.
(E) gravitational lensing.

Correct answer: (A)

Student responses
Sections 70178, 70186
(A) : 11 students
(B) : 0 students
(C) : 5 students
(D) : 12 students
(E) : 6 students

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