It can be inferred from the passage that, if Fabian is correct, gas in the peripheral regions of a galaxy cluster
A.
streams outward into intergalactic space.
B.
is hotter than gas in the central regions of the galaxy.
C.
is composed primarily of gas left over from the big bang.
D.
results in the creation of unusually large stars.
E.
expands to increase the size of the galaxy.