Puzzling new planet is too big for its sun, challenging domi

This extremely rare exoplanet discovery underscores just how little we know about the universe, experts say

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Mcdonald Observatory , Texas , United States , Suvrath Mahadevan , Megan Delamer , Pennsylvania State University , Habitable Zone Planet Finder , Hobby Eberly Telescope , Penn State , Hlhs , Mahadevan ,