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Author Question: Shepherd satellites are defined as A) satellites in the coma of a comet. B) moons that confine a ... (Read 93 times)

stevenposner

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Shepherd satellites are defined as
 
  A) satellites in the coma of a comet.
  B) moons that confine a narrow ring.
  C) a type of moon that orbits another moon.
  D) moons that follow the exact orbit of another, larger, moon.
  E) moons that orbit inside the system of rings.

Question 2

Mercury's magnetic field is thought to be due to:
 
  A) dynamo action, like the Earth's magnetic field.
  B) a mechanism entirely unique to Mercury.
  C) being close to the Sun.
  D) being a fossil remnant dating back to the distant past when the core was more liquid.



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cadimas

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Answer to Question 1

B

Answer to Question 2

A



stevenposner

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Both answers were spot on, thank you once again



cadimas

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