Are they exomoons or not? Scientists debate existence of 1st

Recent research suggested the first and only moons seen around planets outside the solar system didn't actually exist; now, the scientists who initially found them are back to defend their discovery.

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, David Kipping , Columbia University , Max Planck Institute For Solar System Research , Kepler Space , Hubble Space , Kepler Space Telescope , Max Planck Institute , Solar System Research , James Webb Space Telescope , Solar System , Hubble Space Telescope , Dipping , Team ,