Astronomy current events question: imaging planetary disks

Astronomy 210L, spring semester 2014
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!)
J.D. Harrington, Ray Villard, "Astronomical Forensics Uncover Planetary Disks in NASA's Hubble Archive," April 24, 2014
NASA's Hubble Space Telescope images of planet-forming disks around young stars were obtained by:
(A) observing during the day as well as night.
(B) combining light from other space-based telescopes.
(C) illumination from nearby supernovae.
(D) gravitational focusing of light.
(E) applying new image processing techniques.

Correct answer: (E)

Student responses
Sections 30678, 30679, 30680
(A) : 3 students
(B) : 6 students
(C) : 6 students
(D) : 4 students
(E) : 22 students

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