The Once and Future Rings of Mars

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The researchers looked at Phobos, which loses height as it interacts with Martian gravity over time. Eventually, its orbit will be too low and Mars will essentially rip it into pieces that form a ring around the planet. It’s estimated that this will happen within 50 million years.

So say goodbye to fear, but dread may stick around a while longer…

https://amp.cnn.com/cnn/2020/06/03/world/mars-rings-moons-scn/index.html