Surprisingly dense exoplanet challenges planet formation theories – Phys.org

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Surprisingly dense exoplanet challenges planet formation theories – Phys.org

New detailed observations with NSF’s NOIRLab facilities reveal a young exoplanet, orbiting a young star in the Hyades cluster, that is unusually dense for its size and age. Weighing in at 25 Earth-masses, and slightly smaller than Neptune, this exoplanet’s ex…
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