Possible Clues:

• Belonging to the moon
• Like the Ocean of Storms
• Like the Vietnamese calendar
• Moony David Guetta song?
• Word before "module" or "landscape"
• In the end, ran back to university retreat as out of this world
• Of a natural satellite
• Like the Sea of Tranquility
• Like some ancient calendars
• Right ulna broken, caused by the Moon