Moon will be seen next to that same star in 27.3 days. It is the time required for the Moon to orbit around the Earth.
The Moon is a natural satellite that needs approximately 27.3 days to complete a full orbit around the Earth planet.
Moreover, the Earth's planet needs approximately 365 days to reach a full orbit around its star, the Sun.
In consequence, both the Earth planet and its natural satellite (Moon) orbit around the Sun.
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