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Author Question: Which of the following types of galaxies are most spherical in shape? A) spirals B) ellipticals ... (Read 75 times)

berenicecastro

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on: Jul 27, 2018
Which of the following types of galaxies are most spherical in shape?
 
  A) spirals
  B) ellipticals
  C) lenticulars
  D) irregulars

Question 2

Galactic disks appear blue because
 
  A) they contain no G, K, or M dwarfs.
  B) they contain only blue reflection nebulae.
  C) dust obscures the longer, red, wavelengths.
  D) O and B blue giants are much brighter than G, K, or M dwarfs.
  E) dark matter gravitationally shifts all wavelengths towards the blue.


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dreamfighter72

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

B

Answer to Question 2

D


berenicecastro

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Reply 2 on: Jul 27, 2018
Gracias!

amit

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Reply 3 on: Yesterday
Excellent

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