{"id":424771,"date":"2020-08-05T23:48:23","date_gmt":"2020-08-06T03:48:23","guid":{"rendered":"https:\/\/www.euvolution.com\/futurist-transhuman-news-blog\/uncategorized\/super-earth-exoplanets-could-have-bright-shining-metallic-atmospheres.php"},"modified":"2020-08-05T23:48:23","modified_gmt":"2020-08-06T03:48:23","slug":"super-earth-exoplanets-could-have-bright-shining-metallic-atmospheres","status":"publish","type":"post","link":"https:\/\/www.euvolution.com\/futurist-transhuman-news-blog\/futurism\/super-earth-exoplanets-could-have-bright-shining-metallic-atmospheres.php","title":{"rendered":"Super-Earth Exoplanets Could Have Bright-Shining Metallic Atmospheres"},"content":{"rendered":"<p><\/p><div><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"158\" src=\"https:\/\/wp-assets.futurism.com\/2020\/08\/superearth-exoplanets-bright-metallic-atmospheres-300x158.jpg\" class=\"attachment-medium size-medium wp-post-image\" alt=\"Scientists thought exoplanets appeared bright in sky surveys because of reflective lava oceans, but new research shows something else has to be helping.\" style=\"padding-left:10px; padding-right: 10px;\"><\/div><h2>Metal Clouds<\/h2><p>A bizarre<strong>&nbsp;<\/strong>class of exoplanets called hot super-Earths can appear particularly bright on sky surveys.<\/p><p>Astronomers had previously assumed that&nbsp;was because the light was reflecting off vast <a href=\"https:\/\/futurism.com\/venus-like-exoplanet-is-first-to-have-had-an-oxygen-atmosphere-life-unlikely\">oceans of lava<\/a> and glass on their surface, but a team of MIT scientists thinks the brightness comes from a totally-different but equally-weird phenomenon. <a href=\"https:\/\/iopscience.iop.org\/article\/10.3847\/1538-4357\/ab9cba\">Their research<\/a>, published Tuesday in <em>The Astrophysical Journal<\/em>, suggests instead that the planets are so bright thanks to reflective clouds formed in a metal-rich atmosphere.<\/p><h2>World Building<\/h2><p>The <a href=\"https:\/\/futurism.com\/scientists-just-discovered-an-alien-planet-thats-the-best-candidate-for-life-as-we-know-it\">lava ocean hypothesis<\/a> was fairly well-accepted, but there was no experimental evidence to back it up. So the MIT team tried it out: They built miniatures of the exoplanets by melting rocks in the lab and seeing how bright the lava and glass was. The verdict? Not enough.<\/p><p>&ldquo;We still have so much to understand about these lava-ocean planets,&rdquo; MIT graduate student Zahra Essack who worked on the research,&nbsp;<a href=\"https:\/\/news.mit.edu\/2020\/lava-oceans-brightness-exoplanets-0804\">said in a press release<\/a>. &ldquo;We thought of them as just glowing balls of rock, but these planets may have complex systems of surface and atmospheric processes that are quite exotic, and not anything we&rsquo;ve ever seen before.&rdquo;<\/p><h2>Creative Thinking<\/h2><p>The experiment didn&rsquo;t result in new proof for the metal-rich clouds. But it suggests that there has to be something else behind the exoplanets&rsquo; unusual luminosity, and the atmosphere seems like a good place to look.<\/p><p>&ldquo;We&rsquo;re not 100 percent sure what these planets are made of,&rdquo; Essack said in the release, &ldquo;so we&rsquo;re narrowing the parameter space and guiding future studies toward all these other potential options.&rdquo;<\/p><p><strong>READ MORE: <\/strong><a href=\"https:\/\/news.mit.edu\/2020\/lava-oceans-brightness-exoplanets-0804\">Lava oceans may not explain the brightness of some hot super-Earths<\/a> [MIT]<\/p><p><strong>More on exoplanets:<\/strong> <em><a href=\"https:\/\/futurism.com\/stunning-images-planet-being-born\">Stunning Images Appear to Show a Planet Being Born<\/a><\/em><\/p><p>The post <a rel=\"nofollow\" href=\"https:\/\/futurism.com\/superearth-exoplanets-bright-metallic-atmospheres\">Super-Earth Exoplanets Could Have Bright-Shining Metallic Atmospheres<\/a> appeared first on <a rel=\"nofollow\" href=\"https:\/\/futurism.com\">Futurism<\/a>.<\/p><p>Go here to see the original:<br><a target=\"_blank\" rel=\"nofollow noopener noreferrer\" href=\"https:\/\/futurism.com\/superearth-exoplanets-bright-metallic-atmospheres\" title=\"Super-Earth Exoplanets Could Have Bright-Shining Metallic Atmospheres\">Super-Earth Exoplanets Could Have Bright-Shining Metallic Atmospheres<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p> Metal Clouds A bizarre \u00a0 class of exoplanets called hot super-Earths can appear particularly bright on sky surveys. Astronomers had previously assumed that\u00a0was because the light was reflecting off vast oceans of lava and glass on their surface, but a team of MIT scientists thinks the brightness comes from a totally-different but equally-weird phenomenon. Their research , published Tuesday in The Astrophysical Journal , suggests instead that the planets are so bright thanks to reflective clouds formed in a metal-rich atmosphere.  <a href=\"https:\/\/www.euvolution.com\/futurist-transhuman-news-blog\/futurism\/super-earth-exoplanets-could-have-bright-shining-metallic-atmospheres.php\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"limit_modified_date":"","last_modified_date":"","_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[11],"tags":[],"class_list":["post-424771","post","type-post","status-publish","format-standard","hentry","category-futurism"],"modified_by":null,"_links":{"self":[{"href":"https:\/\/www.euvolution.com\/futurist-transhuman-news-blog\/wp-json\/wp\/v2\/posts\/424771"}],"collection":[{"href":"https:\/\/www.euvolution.com\/futurist-transhuman-news-blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.euvolution.com\/futurist-transhuman-news-blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.euvolution.com\/futurist-transhuman-news-blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.euvolution.com\/futurist-transhuman-news-blog\/wp-json\/wp\/v2\/comments?post=424771"}],"version-history":[{"count":0,"href":"https:\/\/www.euvolution.com\/futurist-transhuman-news-blog\/wp-json\/wp\/v2\/posts\/424771\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.euvolution.com\/futurist-transhuman-news-blog\/wp-json\/wp\/v2\/media?parent=424771"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.euvolution.com\/futurist-transhuman-news-blog\/wp-json\/wp\/v2\/categories?post=424771"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.euvolution.com\/futurist-transhuman-news-blog\/wp-json\/wp\/v2\/tags?post=424771"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}