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Author Question: How long after the Big Bang was the Planck time, the time at which our current theories become ... (Read 188 times)

Capo

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How long after the Big Bang was the Planck time, the time at which our current theories become completely unable to describe conditions any earlier in the universe?
 
  A) 380,000 years
  B) 10-35 seconds
  C) 10-10 seconds
  D) 10-43 seconds
  E) 3 minutes

Question 2

Planets detected via the Doppler technique have been mostly
 
  A) a wide range of masses, in edge-on orbits.
  B) Earth-mass, in Earth-like orbits.
  C) Jupiter-mass, in very close orbits.
  D) Earth-mass, in very close orbits.
  E) Jupiter-mass, in Jupiter-like orbits.



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mfedorka

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Answer to Question 1

D

Answer to Question 2

C





 

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