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there s a hypothesis the moon Phobos may cycle between being a moon and a ring system around Mars. It reaches the Roche limit and breaks up into rings then slowly reforms, getting smaller each time. We were just born in a time when it is a moon not a ring system.

Feb 23, 2022•1 min read

Fun Fact: there’s a hypothesis the moon Phobos may cycle between being a moon and a ring system around Mars. It reaches the Roche limit and breaks up into rings then slowly reforms, getting smaller each time. We were just born in a time when it is a moon not a ring system.

Source

earthsky.org

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