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Author Question: What causes stars to twinkle? A) It is intrinsic to the starstheir brightness varies as they ... (Read 45 times)

Medesa

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on: Jul 27, 2018
What causes stars to twinkle?
 
  A) It is intrinsic to the starstheir brightness varies as they expand and contract.
  B) variations in the absorption of the atmosphere
  C) variable absorption by interstellar gas along the line of sight to the star
  D) bending of light rays by turbulent layers in the atmosphere
  E) the inability of the human eye to see faint objects

Question 2

The red hydrogen alpha line carries more energy per photon than the blue-green hydrogen beta line does.
 
  Indicate whether the statement is true or false


Yixagurpuldink

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

D

Answer to Question 2

FALSE


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