| 21. | The rotation axis is obviously orthogonal to this plane, and passes through the center "'C "'of the sphere.
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| 22. | Thus the " three " in triplet can be identified with the three rotation axis of physical space.
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| 23. | Their model does not attempt to explain what caused Mars's rotation axis to move relative to the crust.
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| 24. | The monoclinic system includes crystal classes with a single twofold rotation axis and / or a mirror plane.
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| 25. | The third quantum number, " K " is associated with rotation about the principal rotation axis of the molecule.
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| 26. | The orange axis was the Earth's rotation axis 5, 000 years ago, when it pointed to the star Thuban.
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| 27. | The simplest boundary is that of a tilt boundary where the rotation axis is parallel to the boundary plane.
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| 28. | This means that mass moves closer to the rotation axis of Earth, and that Earths moment of inertia decreases.
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| 29. | All the points of the body change their position during a rotation except for those lying on the rotation axis.
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| 30. | It is conventional to set the Cartesian " z " axis of the molecule to contain the principal rotation axis.
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