Astronomy current events question: planetary fragments in white dwarf atmospheres

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!)
Stuart Wolpert, "Ancient Stars Shed Light on Earth's Similarities to Other Planets" (October 17, 2019)
Researchers propose that the composition of exoplanets can be studied by analyzing the __________ of their white dwarfs.
(A) sunspots.
(B) solar flares.
(C) atmospheres.
(D) magnetic fields.
(E) gravitational wobbles.

Correct answer: (C)

Student responses
Sections 70178, 70186
(A) : 2 students
(B) : 0 students
(C) : 11 students
(D) : 16 students
(E) : 4 students

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