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Could someone answer this question for me? Which of the choices is the correct one?

Could someone answer this question for me? Which of the choices is the correct one?


A radio galaxy is any galaxy that


A. is invisible at optical wavelengths and is detected only by the strong radio radiation that it emits.

B. emits radio waves unusually strongly, and the radio emission extends over an area of sky (instead of being point-like).

C. has a bright, star-like nucleus that emits large amounts of radio radiation.

D. emits radio waves.


I am not sure, however, I think A is the correct answer. I would appreciate some assistance. Thank you!

Top Answer

Answer: A radio galaxy is any galaxy that -------- B. emits... View the full answer

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