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Author Question: What is meant by dark energy? A) the energy associated with dark matter through E=mc2 B) any ... (Read 47 times)

nelaaney

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on: Jul 27, 2018
What is meant by dark energy?
 
  A) the energy associated with dark matter through E=mc2
  B) any unknown force that opposes gravity
  C) the repulsive agent causing the universal expansion to accelerate
  D) highly energetic particles that are believed to constitute dark matter
  E) the total energy in the Universe after the Big Bang but before the first stars

Question 2

If you were to take a voyage across the Milky Way, what kind of material would you spend most of your time in?
 
  A) empty spacea pure vacuum
  B) dusty molecular clouds
  C) star clusters
  D) warm, rarefied clouds of atomic hydrogen
  E) cool, dense clouds of atomic hydrogen


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fur

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

C

Answer to Question 2

D


nelaaney

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Reply 2 on: Jul 27, 2018
Gracias!

Jsherida

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Reply 3 on: Yesterday
Wow, this really help

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