Pluto gained a 'heart' after colliding with a planetary body

A huge heart-shaped feature on the surface of Pluto and researchers think they have solved the mystery of how the distinctive heart came to be.

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Switzerland , Bern , Colorado , United States , Erik Asphaug , Martin Jutzi , Clyde Tombaugh , Harry Ballantyne , University Of Arizona Lunar , University Of Bern , University Of Bern Physics Institute , Research Institute In Boulder , Planetary Laboratory , Horizons Mission , Tombaugh Regio , Sputnik Planitia , Solar System , Kelsi Singer , Southwest Research Institute , New Horizons ,