How do you study an invisible exoplanet? Astronomers discover planetary 'fingerprints' in the rings around stars

How do you study an invisible exoplanet? Astronomers discover planetary 'fingerprints' in the rings around stars
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Why This Matters

Scientific discoveries like this expand human knowledge and open new possibilities for addressing global challenges.
How do you weigh a planet you can't see? Astronomers may have the answer and it involves "reading between the rings," the bright beautiful structures exoplanets create.
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