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Newborn giant exoplanet found orbiting close to its parent star
A team of astronomers has confirmed the existence of a young planet known as K2-33b, only 11 million years old, that orbits very close to its star (at 0.05 astronomical units), with an orbital period of 5.4 days. Approximately five times the size of the Earth, the new planet is a “super-Neptune” and the youngest such planet known.