As Soon As the Solar System’s Ninth Planet, Pluto Was Reclassified 20
< img src=" https://th-thumbnailer.cdn-si-edu.com/SEIMx-7q4dqeLQ3Ts2X99ljdm34=/fit-in/1600x0/filters:focal (512x512:513 x513)/ https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/b8/ca/b8ca0461-2014-4fb0-acb3-a69a31056fb0/gettyimages-480661458.jpg" alt =" "> Pluto is now the most well known of the outer worlds beyond Neptune– and the darling of the planetary system Source
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/b8/ca/b8ca0461-2014-4fb0-acb3-a69a31056fb0/gettyimages-480661458.jpg)
< img src=" https://th-thumbnailer.cdn-si-edu.com/SEIMx-7q4dqeLQ3Ts2X99ljdm34=/fit-in/1600x0/filters:focal (512x512:513 x513)/ https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/b8/ca/b8ca0461-2014-4fb0-acb3-a69a31056fb0/gettyimages-480661458.jpg" alt =" "> Pluto is now the most well known of the outer worlds beyond Neptune– and the darling of the planetary system
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