Astronomy current events question: discovery of dwarf galaxy Bedin 1

Astronomy 210L, spring 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!)

L. R. Bedin and Mathias Jäger, "Hubble Fortuitously Discovers a New Galaxy in the Cosmic Neighbourhood" (January 31, 2019)
https://www.spacetelescope.org/news/heic1903/

Analysis of star brightnesses and temperatures in the region of globular cluster NGC 6752 revealed the presence of the __________ Bedin 1.
(A) brown dwarf.
(B) dwarf galaxy.
(C) type II supernova.
(D) Earth-like exoplanet.
(E) low-mass black hole.

Correct answer: (B)

Student responses
Sections 30679, 30680
(A) : 2 students
(B) : 31 students
(C) : 3 students
(D) : 5 students
(E) : 3 students