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Author Question: I observe a galaxy that is 100 million light years away. Which of the following do I see? A) the ... (Read 45 times)

Capo

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on: Jul 27, 2018
I observe a galaxy that is 100 million light years away. Which of the following do I see?
 
  A) the light from the galaxy as it is today, and it is redshifted
  B) the light from the galaxy as it was 100 million years ago, and it is redshifted
  C) the light from the galaxy as it is today, and it is blueshifted
  D) the light from the galaxy as it was 100 million years ago, and it is blueshifted
  E) Nothing: the galaxy lies beyond the cosmological horizon.

Question 2

Nothing in the universe can travel faster than ________.
 
  Fill in the blank(s) with correct word


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Smiles0805

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

B

Answer to Question 2

the speed of light


Capo

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Reply 2 on: Jul 27, 2018
Excellent

ecabral0

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Reply 3 on: Yesterday
Gracias!

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