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Author Question: Charon's orbit: A) lies exactly in Pluto's orbital plane. B) is highly inclined to Pluto's ... (Read 72 times)

appyboo

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on: Jul 27, 2018
Charon's orbit:
 
  A) lies exactly in Pluto's orbital plane.
  B) is highly inclined to Pluto's orbital plane.
  C) is perpendicular to Pluto's equator.
  D) is retrograde.
  E) has not been determined yet.

Question 2

What contribution to astronomy was made by Tycho Brahe?
 
  A) The planets' orbits around the Sun are ellipses, not circles.
  B) The Earth is not the center of the Universe.
  C) His observations of planetary motion with great accuracy proved circular orbits could not work.
  D) His telescope revealed the moons of Jupiter before Galileo noted them.
  E) Retrograde motion must be explained by epicycles larger than those of Ptolemy.


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Leostella20

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

B

Answer to Question 2

C


appyboo

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Reply 2 on: Jul 27, 2018
Gracias!

xthemafja

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Reply 3 on: Yesterday
Excellent

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