What does the metaphor the moon was a ghostly galleon?

The metaphor "the moon was a ghostly galleon" evokes imagery of the moon as a spectral ship sailing through the night sky, suggesting mystery and a haunting beauty. This comparison implies a sense of adventure and the unknown, as well as the idea of the moon being an ethereal presence that illuminates the darkness. The use of "galleon," a type of majestic sailing ship, adds a historical and romantic quality to the image, enhancing the sense of wonder and exploration. Overall, it captures the enchanting and elusive nature of the moon.