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!)
Roeland P. van der Marel, Mark Fardal, Ekta Patel, Timo Prusti, and Markus Bauer, "Gaia Clocks New Speeds for Milky Way-Andromeda Collision" (February 8, 2019)The European Space Agency's Gaia satellite measured __________ within neighboring galaxies to refine predictions of how they will eventually collide and merge with our Milky Way galaxy.
esa.int/About_Us/ESAC/Gaia_clocks_new_speeds_for_Milky_Way-Andromeda_collision
(A) dark matter.
(B) gravitational waves.
(C) hydrogen superbubbles.
(D) star positions and motions.
(E) supermassive black hole masses.
Correct answer: (D)
Student responses
Sections 30679, 30680
(A) : 2 students
(B) : 5 students
(C) : 4 students
(D) : 19 students
(E) : 2 students
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