The hot spots in the double-lobed radio galaxies are
A) produced by nuclear fusion of hydrogen.
B) produced by the interaction of high speed particles from the jets with the intergalactic medium.
C) found in the portion of the lobes that are closest to the galaxy producing the lobes.
D) produced by a gravitational lens of a single quasar.
E) produced by the accretion disk around a super massive black hole.
Correct Answer:
Verified
Q5: The fact that many radio lobes emit
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
Q11: Recent high resolution radio observations show that
Q12: If the red shifts of quasars arise
Q13: Seyfert galaxies
A) are more common in close
Q14: The hot gas of a radio lobe
Q15: A BL Lac object is the same
Q56: The central galaxy in a double-lobed radio
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