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Author Question: The separation of red and blue light in single-lens telescopes is called ________ aberration. ... (Read 91 times)

silviawilliams41

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on: Jul 27, 2018
The separation of red and blue light in single-lens telescopes is called ________ aberration.
 
  Fill in the blank(s) with correct word

Question 2

What direct evidence has been obtained for the existence of dark matter in galaxy clusters?
 
  What will be an ideal response?


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Dunkey

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

chromatic

Answer to Question 2

Gravitational lensing studies of a pair of colliding galaxy clusters show that the bulk of the matter is not located where the visible hot gas is found.


silviawilliams41

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

blakcmamba

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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