moon slowly spiraling into a planet theme

The moon to a planet drops out of its normal orbit for some reason and starts on a slow, spiraling collision course with the planet.

Examples

The Enterprise-D saved the Natives of Bre'el IV from this fate in tng3x13 "Deja Q".

3 total · 1 choice · 1 major · 1 minor

StoryLevelMotivation
novel: Seveneves (2015) choice the remnants of Earth's old moon started falling down on the planet and rendering it uninhabitable
movie: Flash Gordon (1980) major Emperor Ming set of a chain of events that led to the Moon slowly spiraling into Earth.
tng3x13 minor Natives of Bre'el IV :: Enterprise on a mission to save the ugly aliens from their moon crashing into their planet