{"id":410,"date":"2016-01-23T01:54:17","date_gmt":"2016-01-23T01:54:17","guid":{"rendered":"https:\/\/sciences.ucf.edu\/physics\/walkaboutthegalaxy\/?p=410"},"modified":"2022-03-15T14:39:26","modified_gmt":"2022-03-15T14:39:26","slug":"planet-9-from-outer-space","status":"publish","type":"post","link":"https:\/\/sciences.ucf.edu\/physics\/walkaboutthegalaxy\/2016\/01\/planet-9-from-outer-space\/","title":{"rendered":"Planet 9 From Outer Space!"},"content":{"rendered":"<p>Not content with being the self-proclaimed &#8220;Pluto Killer&#8221;, CalTech professor Mike Brown has now co-authored a paper hypothesizing the existence of, in his own words, &#8220;the most planet-y of planets&#8221; or &#8220;Planet 9&#8221;, in the far outer reaches of our solar system. We get it: you hate Pluto! But personal planetary battles aside, this is an interesting bit of dynamical detective work in which lead author Konstantin Batygin and Brown argue that a roughly Neptune-sized planet several hundred times further from the Sun than the Earth is needed to explain the peculiar configuration of a dozen or so objects in the Kuiper Belt. Jim Cooney joins Josh and Addie to talk about Planet 9. If it&#8217;s the most planet-y of planets, let&#8217;s come up with a new name for whatever the Earth is.<\/p>\n<p><a href=\"https:\/\/itunes.apple.com\/us\/podcast\/walkabout-the-galaxy\/id867430953\">Listen on iTunes<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Not content with being the self-proclaimed &#8220;Pluto Killer&#8221;, CalTech professor Mike Brown has now co-authored a paper hypothesizing the existence of, in his own words, &#8220;the most planet-y of planets&#8221; or &#8220;Planet 9&#8221;, in the&#8230;<\/p>\n<div class=\"more-link-wrapper\"><a class=\"more-link\" href=\"https:\/\/sciences.ucf.edu\/physics\/walkaboutthegalaxy\/2016\/01\/planet-9-from-outer-space\/\">Read More<span class=\"screen-reader-text\">Planet 9 From Outer Space!<\/span><\/a><\/div>\n","protected":false},"author":28,"featured_media":366,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[3,10],"tags":[],"class_list":["post-410","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-episodes","category-solar-system","excerpt","full-without-featured","even","excerpt-0"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Planet 9 From Outer Space! - Walkabout the Galaxy<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sciences.ucf.edu\/physics\/walkaboutthegalaxy\/2016\/01\/planet-9-from-outer-space\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta 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