# Could a moon have a moon of its own?

**URL:** <https://boards.straightdope.com/t/could-a-moon-have-a-moon-of-its-own/963716>\
**Category:** Factual Questions\
**Created:** [April 30, 2022, 12:16pm UTC](https://boards.straightdope.com/t/could-a-moon-have-a-moon-of-its-own/963716 "2022-04-30T12:16:21Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![Darren\_Garrison](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/darren_garrison/32/92_2.png) [@Darren\_Garrison](https://boards.straightdope.com/u/Darren_Garrison)\
**Post date:** [April 30, 2022, 1:45pm UTC](https://boards.straightdope.com/t/could-a-moon-have-a-moon-of-its-own/963716/5 "2022-04-30T13:45:18Z")

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Can a thread have a thread of its own?

> [@Is lt possible for the Earth to have a second Luna sized moon?](https://boards.straightdope.com/t/is-lt-possible-for-the-earth-to-have-a-second-luna-sized-moon/953830):
>
> …or would such a system be too unstable to last?

Covers a little of the “multiple moons” physics.

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