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Author Question: The satellites discovered by Galileo a. orbit the planet Jupiter. b. orbit the terrestrial ... (Read 403 times)

vicky

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The satellites discovered by Galileo
 
  a. orbit the planet Jupiter.
  b. orbit the terrestrial planets.
  c. orbit asteroids.
  d. orbit Mars.
  e. orbit extrasolar planets.

Question 2

What observation has prompted astronomers to ponder the possible existence of dark energy?
 
  a. Discovery of quasars
  b. Discovery of superclusters
  c. Supernovae appear fainter than expected at large redshifts.
  d. Uniform nature of the cosmic microwave background (CMB).



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helenmarkerine

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Answer to Question 1

A

Answer to Question 2

C




vicky

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Reply 2 on: Jul 27, 2018
Excellent


Jsherida

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Reply 3 on: Yesterday
:D TYSM

 

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