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Question 6 of 20 :
Select the best answer for the question.
6. All of the planets in Earth's solar system must follow the same plane of motion. What's this plane called
A. Plane of spherical motion
OB. Plane of the ecliptic
C. Plane of triangulation
OD. Plane of orbital rotation
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Respuesta :

AL2006

That's the ecliptic plane.  The planets' orbits are not exactly in this plane. The Earth's is, and the others are all close.

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