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Author Question: Which of the following could not be measured by an observation that uses only imaging? A) the ... (Read 62 times)

soccerdreamer_17

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on: Jul 27, 2018
Which of the following could not be measured by an observation that uses only imaging?
 
  A) the rate at which a variable star brightens and dims
  B) the general shape of an interstellar cloud of gas
  C) the color of a planet
  D) the brightness of a star in our sky
  E) the number of bright stars in a nearby star cluster

Question 2

In the critical universe now proposed, the ratio of matter/energy is about:
 
  A) 50:50.
  B) 27:73.
  C) 75:25.
  D) 10:90.
  E) 95:5.


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mcabuhat

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

A

Answer to Question 2

B


soccerdreamer_17

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Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

raenoj

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Reply 3 on: Yesterday
Gracias!

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