An object or event related to the moon is called lunar.
The word "lunar" often comes up when talking about space and astronomy. You might hear people say things like "The new lunar calendar starts next month" or "The lunar eclipse will be visible tonight." This means that they're referring to something connected with the moon, like a time cycle that's based on the moon's phases or an event where the Earth passes between the sun and the moon. Some people also use "lunar" when describing things like space missions or colonies - for example, "The lunar mission will take six months."
Of, pertaining to, or resembling the Moon (that is, Luna, the Earth's moon).
Example: lunar observations a lunar eclipse
