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Author Question: Shapley correctly argued that the rotation of the spiral nebulae proved they could not be very ... (Read 41 times)

lidoalex

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on: Jul 27, 2018
Shapley correctly argued that the rotation of the spiral nebulae proved they could not be very distant.
 
  Indicate whether the statement is true or false

Question 2

Physicists have detected hot dark matter particles in terrestrial laboratories, but it is much harder to observe than cold dark matter.
 
  Indicate whether the statement is true or false


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scikid

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

FALSE

Answer to Question 2

TRUE


lidoalex

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Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

lindahyatt42

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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