Astronomy current events question: early pristine gas

Astronomy 210L, fall semester 2011
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!)
John Matson, "Fresh Start: Scientists Glimpse Unsullied Traces of the Infant Universe," November 10, 2011
Pockets of pristine gas from the early universe were detected to have no heavy elements by observing __________ the gas clouds.
(A) no dark matter within.
(B) no massive black holes in.
(C) the gravitational redshift of.
(D) first-generation stars being born in.
(E) how quasar light passes through.

Correct answer: (E)

Student responses
Sections 70178, 70186, 70200
(A) : 5 students
(B) : 1 student
(C) : 9 students
(D) : 11 students
(E) : 20 students

1 comment:

Patrick M. Len said...

Astronomy 210L, spring semester 2012
Cuesta College, San Luis Obispo, CA

(Introduction sample current events quiz handed out on the first day of instruction, so students will not have had studied for this.)

Student responses
Sections 30678, 30679, 30680
(A) : 13 students
(B) : 1 student
(C) : 11 students
(D) : 25 students
(E) : 18 students