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This Planet's Death Spiral Could Teach Us A Lesson About Rocky Exoplanets

Macquarie University astronomers have tracked an extreme planet's orbital decay, confirming it is spiraling toward its star in a cosmic death dance that could end in three possible ways. It could cross the Roche line and be torn apart, it could plunge to destruction in its star, or it could be stripped all the way down to a rocky core.

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