What percentage larger and brighter can a perigean full moon appear compared to the smallest possible full moon?

Answer

About 14% larger and around 30% brighter

A full moon at perigee can appear visually about 14% larger and roughly 30% brighter when contrasted with a full moon at apogee (its farthest point).

What percentage larger and brighter can a perigean full moon appear compared to the smallest possible full moon?
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