{"id":18463,"date":"2019-09-11T07:28:42","date_gmt":"2019-09-11T11:28:42","guid":{"rendered":"http:\/\/blog.carlrobitaille.org\/?p=18463"},"modified":"2019-09-12T10:06:14","modified_gmt":"2019-09-12T14:06:14","slug":"water-vapor-on-the-habitable-zone-exoplanet-k2-18b","status":"publish","type":"post","link":"https:\/\/blog.carlrobitaille.org\/?p=18463","title":{"rendered":"Water Vapor on the Habitable-Zone Exoplanet K2-18b"},"content":{"rendered":"\n<p><a href=\"https:\/\/arxiv.org\/abs\/1909.04642\">Water Vapor on the Habitable-Zone Exoplanet K2-18b<\/a><\/p>\n\n\n\n<figure class=\"wp-block-embed-twitter wp-block-embed is-type-rich is-provider-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">For the 1st time, humans have found evidence of liquid H\u2082O on an <a href=\"https:\/\/twitter.com\/hashtag\/extrasolar?src=hash&amp;ref_src=twsrc%5Etfw\">#extrasolar<\/a> planet in a star&#39;s <a href=\"https:\/\/twitter.com\/hashtag\/habitable?src=hash&amp;ref_src=twsrc%5Etfw\">#habitable<\/a> zone. This plot shows the 1.4\u00b5m vibrational bands of H\u2082O vapor. Pressure &amp; temperature in the deeper atmo likely allow liquid H\u2082O. Benneke+ 2019: <a href=\"https:\/\/t.co\/KmreOVJiUp\">https:\/\/t.co\/KmreOVJiUp<\/a> <a href=\"https:\/\/t.co\/tMvKSF8UDf\">pic.twitter.com\/tMvKSF8UDf<\/a><\/p>&mdash; Ren\u00e9 Heller (@DrReneHeller) <a href=\"https:\/\/twitter.com\/DrReneHeller\/status\/1171694910648541184?ref_src=twsrc%5Etfw\">September 11, 2019<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed-twitter wp-block-embed is-type-rich is-provider-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">K2-18b receives only 5% more radiation than the Earth, leaving it with an equilibrium temperature of 265 K. This is the coolest exoplanet that we&#39;ve detected water in. While not a true Earth-analogue due to its size, this bodes well for our exploration of small planets. <a href=\"https:\/\/t.co\/SrAXA5yPgz\">pic.twitter.com\/SrAXA5yPgz<\/a><\/p>&mdash; Josh Lothringer (@JDLothringer) <a href=\"https:\/\/twitter.com\/JDLothringer\/status\/1171600477794045952?ref_src=twsrc%5Etfw\">September 11, 2019<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Water Vapor on the Habitable-Zone Exoplanet K2-18b<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-18463","post","type-post","status-publish","format-standard","hentry","category-astronomie"],"_links":{"self":[{"href":"https:\/\/blog.carlrobitaille.org\/index.php?rest_route=\/wp\/v2\/posts\/18463","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=18463"}],"version-history":[{"count":2,"href":"https:\/\/blog.carlrobitaille.org\/index.php?rest_route=\/wp\/v2\/posts\/18463\/revisions"}],"predecessor-version":[{"id":18480,"href":"https:\/\/blog.carlrobitaille.org\/index.php?rest_route=\/wp\/v2\/posts\/18463\/revisions\/18480"}],"wp:attachment":[{"href":"https:\/\/blog.carlrobitaille.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18463"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.carlrobitaille.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18463"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.carlrobitaille.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18463"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}