Astronomy current events question: HR 8799 exoplanets

Astronomy 210L, spring 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!)
Matt Williams, "Four Planet System Directly Imaged in MotionN" (January 28, 2017)
An animation of four exoplanets orbiting the star HR 8799 was generated by using a computer to:
(A) analyze gravitational waves.
(B) simulate all possible exoplanet orbits.
(C) interpolate individual archived images.
(D) clean up Voyager space probe images.
(E) translate Babylonian star charts.

Correct answer: (C)

Student responses
Sections 30679, 30680
(A) : 2 students
(B) : 18 students
(C) : 8 students
(D) : 3 students
(E) : 0 students

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