{"id":3941,"date":"2015-07-16T19:47:53","date_gmt":"2015-07-16T23:47:53","guid":{"rendered":"http:\/\/blog.carlrobitaille.org\/2015\/07\/16\/big-spheroid-but-no-planet\/"},"modified":"2018-11-20T10:59:56","modified_gmt":"2018-11-20T15:59:56","slug":"big-spheroid-but-no-planet","status":"publish","type":"post","link":"https:\/\/blog.carlrobitaille.org\/?p=3941","title":{"rendered":"Big, spheroid but no Planet"},"content":{"rendered":"<p><b>Google+ reshared post<\/b><\/p>\n<blockquote><p><b>Big, spheroid but no Planet<\/b><\/p>\n<p>Take a look at this <b>nice montage of &quot;Not-Planets&quot;<\/b> made by <span class=\"proflinkWrapper\"><span class=\"proflinkPrefix\">+<\/span><a class=\"proflink bidi_isolate\" href=\"https:\/\/plus.google.com\/117328732331103841331\" oid=\"117328732331103841331\" >Emily Lakdawalla<\/a><\/span>\u00a0<\/p>\n<p>And while they all pretty much look like planets they <b>don&#8217;t meet the criteria for planets set by the International Astronomical Union<\/b> (<i>IAU<\/i>). Basically planets have to be <i>massive enough to be rounded by their own gravity<\/i> but <i>not massive enough to undergo\u00a0thermonuclear fusion<\/i> and also <i>must have cleared their orbits from planetesimals<\/i> (<i>more or less big chunks of rock<\/i>). And of course a planet can&#8217;t be a moon of another object.<\/p>\n<p>And if you are <b>still sad about the reclassification of Pluto<\/b> bear in mind that a rose by any other name would smell as sweet&#8230;<\/p>\n<p>More on <b>planets<\/b>:<br \/><a rel=\"nofollow\" target=\"_blank\" href=\"https:\/\/en.wikipedia.org\/wiki\/Planet\" class=\"ot-anchor bidi_isolate\" jslog=\"10929; track:click\" dir=\"ltr\">https:\/\/en.wikipedia.org\/wiki\/Planet<\/a><\/p>\n<p>Image credit:\u00a0Montage by <span class=\"proflinkWrapper\"><span class=\"proflinkPrefix\">+<\/span><a class=\"proflink bidi_isolate\" href=\"https:\/\/plus.google.com\/117328732331103841331\" oid=\"117328732331103841331\" >Emily Lakdawalla<\/a><\/span>\u00a0The Moon: Gari Arrillaga. Other data: NASA\/JPL\/JHUAPL\/SwRI\/UCLA\/MPS\/IDA. Processing by Ted Stryk, Gordan Ugarkovic, Emily Lakdawalla, and Jason Perry. <a rel=\"nofollow\" target=\"_blank\" href=\"http:\/\/bit.ly\/1OdAteF\" class=\"ot-anchor bidi_isolate\" jslog=\"10929; track:click\" dir=\"ltr\">http:\/\/bit.ly\/1OdAteF<\/a>\u00a0CC BY-NC-SA 3.0\u00a0<a rel=\"nofollow\" target=\"_blank\" href=\"http:\/\/bit.ly\/1OdAv6h\" class=\"ot-anchor bidi_isolate\" jslog=\"10929; track:click\" dir=\"ltr\">http:\/\/bit.ly\/1OdAv6h<\/a><\/p>\n<p> <a rel=\"nofollow\" class=\"ot-hashtag bidi_isolate\" href=\"https:\/\/plus.google.com\/s\/%23science\/posts\" >#science<\/a>  \u00a0  <a rel=\"nofollow\" class=\"ot-hashtag bidi_isolate\" href=\"https:\/\/plus.google.com\/s\/%23space\/posts\" >#space<\/a>  \u00a0  <a rel=\"nofollow\" class=\"ot-hashtag bidi_isolate\" href=\"https:\/\/plus.google.com\/s\/%23planet\/posts\" >#planet<\/a>  \u00a0  <a rel=\"nofollow\" class=\"ot-hashtag bidi_isolate\" href=\"https:\/\/plus.google.com\/s\/%23planets\/posts\" >#planets<\/a>  \u00a0  <a rel=\"nofollow\" class=\"ot-hashtag bidi_isolate\" href=\"https:\/\/plus.google.com\/s\/%23solarsystem\/posts\" >#solarsystem<\/a>  \u00a0  <a rel=\"nofollow\" class=\"ot-hashtag bidi_isolate\" href=\"https:\/\/plus.google.com\/s\/%23europa\/posts\" >#europa<\/a>  \u00a0  <a rel=\"nofollow\" class=\"ot-hashtag bidi_isolate\" href=\"https:\/\/plus.google.com\/s\/%23pluto\/posts\" >#pluto<\/a>  \u00a0  <a rel=\"nofollow\" class=\"ot-hashtag bidi_isolate\" href=\"https:\/\/plus.google.com\/s\/%23titan\/posts\" >#titan<\/a>  \u00a0  <a rel=\"nofollow\" class=\"ot-hashtag bidi_isolate\" href=\"https:\/\/plus.google.com\/s\/%23moon\/posts\" >#moon<\/a>  \u00a0  <a rel=\"nofollow\" class=\"ot-hashtag bidi_isolate\" href=\"https:\/\/plus.google.com\/s\/%23iau\/posts\" >#iau<\/a>  \u00a0<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/-qbmDCIpVcBE\/VaZ99Z0y8XI\/AAAAAAAAN2s\/qzmtojrxHeg\/w530-h298-n-rw\/20150714_the-not-planets-widescreen-version-2.png\" alt=\"\" \/><\/p>\n<p>Import\u00e9 de <a href=\"https:\/\/plus.google.com\/104239776541827516598\/posts\/hU7KX8g1pcT\">Google+<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Google+ reshared post Big, spheroid but no Planet Take a look at this nice montage of &quot;Not-Planets&quot; made by +Emily Lakdawalla\u00a0 And while they all pretty much look like planets they don&#8217;t meet the criteria for planets set by the &hellip; <a href=\"https:\/\/blog.carlrobitaille.org\/?p=3941\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3941","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/blog.carlrobitaille.org\/index.php?rest_route=\/wp\/v2\/posts\/3941","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.carlrobitaille.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.carlrobitaille.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.carlrobitaille.org\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.carlrobitaille.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3941"}],"version-history":[{"count":2,"href":"https:\/\/blog.carlrobitaille.org\/index.php?rest_route=\/wp\/v2\/posts\/3941\/revisions"}],"predecessor-version":[{"id":4037,"href":"https:\/\/blog.carlrobitaille.org\/index.php?rest_route=\/wp\/v2\/posts\/3941\/revisions\/4037"}],"wp:attachment":[{"href":"https:\/\/blog.carlrobitaille.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3941"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.carlrobitaille.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3941"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.carlrobitaille.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3941"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}