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Author Question: The celestial sphere appears to move fastest above the ________. Fill in the blank(s) with ... (Read 160 times)

bcretired

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on: Jul 27, 2018
The celestial sphere appears to move fastest above the ________.
 
  Fill in the blank(s) with correct word

Question 2

How did scientists use Titan to guide Cassini on a tour of Saturn's moon system?
 
  What will be an ideal response?


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aprice35067

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

equator

Answer to Question 2

Titan was used to give gravitational assists to increase and decrease the semi-major axis of the probe's orbit. When Cassini passes Titan inside its orbit of Saturn, Cassini's orbital semi-major axis is decreased. When Cassini passes Titan outside its orbit of Saturn, Cassini's orbital semi-major axis is increased. Using this, Cassini's controllers are able to guide the spacecraft on a tour of Saturn's moon system even though the spacecraft doesn't have much of its own power.


bcretired

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Reply 2 on: Jul 27, 2018
Excellent

Joy Chen

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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