the word "moon" when it refers to a special lunar event, especially the "moon" token completing "supermoon" or named moons like blood, blue, or harvest moon.
The final word piece of astronomical event or object names, especially "moon" in compound names like Supermoon, Blood Moon and Harvest Moon, and the "-id(s)" ending of Perseids (the meteor shower). Chinese equivalents (meteor shower names) also fire.
