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Author Question: The Saturnian moons of most interest to exobiologists are A) Rhea and Iapetus. B) Phoebe and ... (Read 51 times)

chandani

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on: Jul 27, 2018
The Saturnian moons of most interest to exobiologists are
 
  A) Rhea and Iapetus.
  B) Phoebe and Dione.
  C) Mimas and Tethys.
  D) Hyperion and Miranda.
  E) Titan and Enceladus.

Question 2

Which is longer, the sidereal or synodic month? Why?
 
  What will be an ideal response?


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briseldagonzales

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

E

Answer to Question 2

The synodic month takes an extra two days, because the Earth is also revolving around the Sun, so after 27.3 days the Moon returns to the same place among the stars, but the Earth has revolved about 27 degrees ahead of where it was last month; it takes the Moon two days to catch up to us.


chandani

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Reply 2 on: Jul 27, 2018
Gracias!

ebonylittles

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Reply 3 on: Yesterday
Excellent

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