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Author Question: Which of the following is true of double-lobed radio sources? A) Their radio lobes are associated ... (Read 81 times)

EAugust

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on: Jul 27, 2018
Which of the following is true of double-lobed radio sources?
 
  A) Their radio lobes are associated with interacting galaxies.
  B) They are less active than normal galaxies.
  C) Their nuclei are relatively cooler than their peripheries.
  D) Their radio lobes are located at the end of their spiral arms.

Question 2

The rotation curve method works:
 
  A) only for galaxies near enough to be well resolved.
  B) only for distant spiral galaxies.
  C) only for elliptical galaxies.
  D) for all galaxies, irrespective of their distance from Earth.


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upturnedfurball

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Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

A


EAugust

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Reply 2 on: Jul 27, 2018
:D TYSM

scottmt

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Reply 3 on: Yesterday
Excellent

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