Astronomy current events question: HD 10180 planetary system

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, "One Star, Seven Planets," August 24, 2010
http://www.skyandtelescope.com/news/101410964.html

The recently discovered planetary system around the star HD 10180:
(A) contains the largest number of exoplanets in a single system.
(B) survived a recent nova explosion of HD 10180.
(C) emits radio signals of possible technological origin.
(D) matches descriptions found in ancient Mayan writings.
(E) may be entirely formed from dark matter.

Correct answer: (A)

Student responses
Sections 70178, 70186, 70200
(A) : 31 students
(B) : 2 students
(C) : 1 student
(D) : 0 students
(E) : 1 student