Astronomy current events question: Milky Way bubbles

Astronomy 210L, Fall Semester 2010
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!)
Kelly Beatty, "Why is the Milky Way Blowing Bubbles?," November 11, 2010
Images of __________ above and below the Milky Way have been extracted from NASA Fermi Large Area Telescope data.
(A) dark matter.
(B) antimatter vortexes.
(C) disrupted dwarf galaxies.
(D) rogue black holes.
(E) gamma-ray bubbles.

Correct answer: (E)

Student responses
Sections 70178, 70186, 70200
(A) : 6 students
(B) : 1 student
(C) : 8 students
(D) : 2 students
(E) : 46 students

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