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Author Question: Double-lobed radio galaxies are____. a. spiral galaxies with unusually luminous nuclei b. ... (Read 98 times)

bobbie

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on: Jul 27, 2018
Double-lobed radio galaxies are____.
 
  a. spiral galaxies with unusually luminous nuclei
 b. elliptical galaxies with very broad emission lines
 c. explained by the double-exhaust model
 d. extremely luminous objects with high redshifts
 e. glowing green gases due to excitation from energy from an active core

Question 2

An object that acts as a blackbody emits photons because ____.
 
  a. thermal energy excites electrons to the ground state
 b. electrons in the atoms of the object jump to lower energy levels
 c. electrons in the atoms of the object jump to higher energy levels
 d. atoms in the object collide, changing the motion of charged particles
  e. atoms in the object have absorbed photons from an external source


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efwsefaw

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

c

Answer to Question 2

d


bobbie

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Reply 2 on: Jul 27, 2018
Wow, this really help

sailorcrescent

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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