A spiral galaxy has a small bright central region and its spectrum shows that it contains hot, rapidly moving gas. It is most likely a _________ galaxy.
A) barred spiral
B) Seyfert
C) radio
D) BL Lac
E) quasar
Correct Answer:
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Q43: Name the three main types of active
Q44: Where does most of the radio emission
Q45: Which of the following is a property
Q46: Why do we think that quasars are
Q47: Why do we think that active galaxies
Q49: What do most astronomers now think explains
Q50: A supercluster is a _.
A) group of
Q51: The Local Group is_.
A) the name of
Q52: Voids are
A) spaces between stars.
B) spaces between
Q53: Our Milky Way is part of _
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