The fact that many radio lobes emit more intensely from the side away from the galaxy suggests that
A) they are formed by material falling into the galaxy.
B) they are powered by magnetic fields.
C) they are excited by radiation from nearby galaxies.
D) they are powered by the rapid rotation of the galaxy.
E) they are created by jets from the galaxy.
Correct Answer:
Verified
Q1: In the unified model of active galactic
Q2: The local hypothesis states that
A) active galactic
Q3: Astronomers can estimate the mass of the
Q4: Quasars must be small because they
A) have
Q6: The unified model describes active galactic nuclei
Q7: The tiny point sources of many quasars
Q9: Head-tail galaxies are
A) found most often in
Q10: The hot spots in the double-lobed radio
Q11: Recent high resolution radio observations show that
Q56: The central galaxy in a double-lobed radio
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