What is the specific alignment of celestial bodies during a full moon?

Answer

The Earth is located directly between the Sun and the moon

A full moon occurs precisely when the Earth is positioned between the Sun and the moon. In this configuration, the lunar face that is visible from our perspective is completely illuminated by the Sun. This alignment is an instantaneous event, creating the brilliant disk that appears in the night sky. While the event is momentary, the appearance of a full disk persists for several nights before and after the peak.

What is the specific alignment of celestial bodies during a full moon?
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