* "Ghostly galleon": This compares the moon to a ship of the dead, a ghostly vessel sailing through the night. It suggests a sense of mystery, loneliness, and perhaps even danger. The moon's pale light and its shape, reminiscent of a ship's hull, reinforce this image.
* "Tossed upon cloudy sea": This compares the sky to a turbulent sea, with the clouds acting as waves. This adds a dynamic element to the image, suggesting a sense of movement and uncertainty. The moon, like a ship, is tossed about by these "waves" of clouds, adding to its ethereal and unpredictable nature.
Overall meaning: The phrase evokes a feeling of wonder and awe, painting a picture of the moon as a celestial object that is both beautiful and mysterious. It emphasizes the moon's unique character and its ability to inspire imagination and intrigue.
