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Author Question: The vast majority of galaxies in the universe are ________ and ________. Fill in the blank(s) ... (Read 31 times)

craiczarry

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on: Jul 27, 2018
The vast majority of galaxies in the universe are ________ and ________.
 
  Fill in the blank(s) with correct word

Question 2

The image of our galaxy in radio emission from carbon monoxide maps the distribution of molecular clouds. Which of the following would give a similar picture of our galaxy?
 
  A) visible light, which is closest to how the night sky appears from Earth
  B) 21-cm-line radio emission from atomic hydrogen
  C) X-rays from hot gas bubbles in the disk
  D) infrared emission from interstellar dust grains
  E) visible light, showing the edges of supernova bubbles


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bblaney

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

dwarf irregulars; dwarf ellipticals

Answer to Question 2

D


craiczarry

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

strudel15

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Reply 3 on: Yesterday
Excellent

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