Where does most of the radio emission in a radio galaxy come from?

A. the spiral arms
B. a thin shell surrounding the galaxy
C. the center
D. outside the galaxy in radio lobes


Answer: D

Physics & Space Science

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a. 30 b. 53 c. 0 d. 45

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Fill in the blank(s) with the appropriate word(s).

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A. increases. B. decreases. C. remains constant. D. could either increase or decrease; it depends on other factors.

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