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Exoplanet Hurled Into Exile After Gravitational Rumble

A massive planet orbiting about 650 times farther from its parent star than Earth circles the sun appears to have been booted into the outskirts, a graphic illustration of what may have happened to our solar system’s early family.

December 2, 2015
5:51 PM EST
Images from the Hubble Space Telescope and the Gemini Observatory's Planet Imager show evidence of an exoplanet's wild ride to the outskirts of its star system. | Paul Kalas/UC Berkeley