Brightnes

"Ocean Moon" might refer to a moon that is located within a planet's ocean or has significant liquid water on its surface. One of the most famous examples of such a moon is Europa, a moon of Jupiter. Europa is believed to have a subsurface ocean beneath its icy crust, making it a target of interest for astrobiology and the search for potential extraterrestrial life.

As for "Visions of Silence," it's not clear if this is a specific reference to something or if it's a phrase you're using. "Visions of Silence" could evoke images of tranquility, contemplation, or a dream-like state. If you have a particular context in mind for this phrase, feel free to provide more details, and I'd be happy to assist further.

The Moon rotates, so its day side and night side alternate just like on Earth. The lit half of the Moon is always visible to us while the other half is always dark. However, as the Moon moves through its orbit, how much of the illuminated half is visible to us varies.