Astronomers discover an evaporating Neptune-sized exoplanet that's shedding mass 100 times faster than previously seen. Author: "In only a few billion years from now, half of the planet may be gone," meaning it will make the transition from a hot Neptune to a super-Earth.

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Astronomers discover an evaporating Neptune-sized exoplanet that's shedding mass 100 times faster than previously seen. Author: "In only a few billion years from now, half of the planet may be gone," meaning it will make the transition from a hot Neptune to a super-Earth.