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Author Question: Spiral arms are thought to be sites of ________, based on the observations newly formed stars and ... (Read 112 times)

Kthamas

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on: Jul 27, 2018
Spiral arms are thought to be sites of ________, based on the observations newly formed stars and interstellar dust lanes in and around these features.
 
  Fill in the blank(s) with correct word

Question 2

Hubble's constant is constant in
 
  A) time.
  B) space.
  C) space and time.
  D) our Galaxy but different in others.


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hanadaa

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

star formation

Answer to Question 2

B


Kthamas

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


hanadaa

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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