Astronomy current events question: estimating Earth-like planets around sun-like stars

Astronomy 210L, fall 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!)
Sam Sholtis, "How Many Earth-like Planets Are Around Sun-like Stars?" (August 14, 2019)
Observations from NASA's Kepler space telescope indicate that one in six sun-like stars may have an Earth-like planet, as inferred from:
(A) solar storm behavior.
(B) computer simulations.
(C) photosynthesis reactions.
(D) occurrence of Jupiter-like planets.
(E) similarities between ancient myths.

Correct answer: (B)

Student responses
Sections 70178, 70186
(A) : 11 students
(B) : 20 students
(C) : 3 students
(D) : 5 students
(E) : 0 students

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