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Author Question: The greatest gravitational lensing is produced by the ________ that lie in the centers of massive ... (Read 257 times)

shofmannx20

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The greatest gravitational lensing is produced by the ________ that lie in the centers of massive galaxies.
 
  Fill in the blank(s) with correct word

Question 2

Green light has a shorter wavelength than orange light. In a 5-inch telescope, green light will
 
  A) come to the same exact focus as orange light.
  B) reduce the effects of atmospheric turbulence.
  C) provide worse angular resolution than orange light.
  D) provide better angular resolution than orange light.
  E) allow dimmer stars to be observed.



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Tabitha_2016

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Answer to Question 1

black holes

Answer to Question 2

D





 

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