In the double-exhaust model, the radio lobes of a radio galaxy are inflated by

a. jets of excited gas flowing from the central galaxy.
b. jets of high-energy sound waves flowing from the central galaxy.
c. a disk of ionized material that orbits very near a supermassive black hole.
d. dark clouds of very cold gas and dust.
e. None of the other choices are correct.


a

Physics & Space Science

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Indicate whether the statement is true or false

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