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Author Question: The greatest gravitational lensing is produced by the ________ that lie in the centers of massive ... (Read 306 times)

shofmannx20

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

black holes

Answer to Question 2

D


shofmannx20

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Reply #2 on: Jul 27, 2018
Thank you!


Tabitha_2016

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Reply #3 on: Jul 27, 2018
Always glad to help...


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