34. Based on the passage, which of the following state- ments best describes Bailin's study as it relates to the
field of astronomy?
E It led astronomers to the discovery of a warp in the
Milky Way's disk.
G. It convinced more astronomers to focus their atten-
tion on the center of the Milky Way.
H. It revealed problems with the basic assumptions
held by most astronomers.
J. It provided evidence for an idea that scientists had
long considered a possibility but had not yet
proved.