| 1. | This is referred to as " longitudinal libration ".
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| 2. | Other possible orbital interactions include libration and co-orbital configuration.
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| 3. | The apparent wobbling of the Moon is known as libration.
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| 4. | These amplitude variations are referred to as Libration Fading.
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| 5. | It can also become hidden from sight due to the effects of libration.
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| 6. | The maps used orthographic projection of the surface as viewed at mean libration.
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| 7. | Our fake libration animation gives the same erroneous impression.
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| 8. | Libration is a perceived oscillating motion of orbiting bodies relative to each other.
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| 9. | About 18 percent of the far side is occasionally visible from Earth due to libration.
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| 10. | Short-term unstable libration about, and transitions to horseshoe orbits are also possible.
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