"5. The IAU classifies objects based on their current properties.
Specialists note that the Moon is receding from the Earth,
and in a few billion years, the barycenter will reside
in free space, outside the Earth. The IAU, at that time,
can then reclassify the Moon as a 'planet.' "
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"5. The IAU classifies objects based on their current properties. Specialists note that the Moon is receding from the Earth, and in a few billion years, the barycenter will reside in free space, outside the Earth. The IAU, at that time, can then reclassify the Moon as a 'planet.' "