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Author Question: ___________ is (are) observed when light from a distant quasar travels past a massive galaxy between ... (Read 75 times)

fbq8i

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on: Jul 27, 2018
___________ is (are) observed when light from a distant quasar travels past a massive galaxy between us and the quasar, and this light is focused to form two or more images of the same quasar.
 
  a. A double-lobed radio galaxy
  b. Superluminal expansion
  c. The gravitational lens effect
  d. A blazar
  e. Gravitational waves

Question 2

If the stars at the turnoff point of a cluster have a mass of 3M, what is the age of the cluster?
 
  a. 3.01010 years
  b. 3.3109 years
  c. 6.4108 years
  d. 1.61011 years
  e. The age of a star cluster cannot be determined from the mass of stars at the turnoff point.


mfedorka

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

c

Answer to Question 2

c


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