{"id":210756,"date":"2022-10-17T18:53:19","date_gmt":"2022-10-17T13:23:19","guid":{"rendered":"https:\/\/blog.forumias.com\/?p=210756"},"modified":"2022-10-17T18:53:19","modified_gmt":"2022-10-17T13:23:19","slug":"heavy-metal-out-there-researchers-detect-barium-in-atmospheres-of-2-exoplanets","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/heavy-metal-out-there-researchers-detect-barium-in-atmospheres-of-2-exoplanets\/","title":{"rendered":"Heavy metal out there: Researchers detect barium in atmospheres of 2 exoplanets"},"content":{"rendered":"\n<p><b>Source: <\/b><span style=\"font-weight: 400;\">The post is based on the article<\/span><b> \u201cHeavy metal out there: Researchers detect barium in atmospheres of 2 exoplanets\u201d <\/b><span style=\"font-weight: 400;\">published in<\/span><b> Down To Earth <\/b>on<b> 16th October 2022.<\/b><\/p>\n<h5><b>What is the News?<\/b><\/h5>\n<p><span style=\"font-weight: 400;\">S<\/span><span style=\"font-weight: 400;\">cientists have detected barium in the upper atmosphere of two giant exoplanets for the first time.<\/span><\/p>\n<h5><b>Which are those two exoplanets where scientists have detected barium?<\/b><\/h5>\n<p><span style=\"font-weight: 400;\">The exoplanets are two ultra-hot Jupiters \u2014 <\/span><b>WASP-76b and WASP-121b<\/b><span style=\"font-weight: 400;\"> \u2014 which orbit their host stars WASP 76 and WASP 121.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The former is about 640 light-years away from the Earth and the latter around 900 light-years away. Both WASP-76b and WASP-121b complete one orbit in two days.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Surface temperatures in these bodies reach as high as 1,000 degrees Celsius. These bodies have unique features owing to their high temperatures. For instance, WASP-76b experiences iron rain.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The presence of hydrogen, lithium, sodium, magnesium, calcium, vanadium, chromium, manganese and iron in the atmosphere of the WASP-76 b has also been confirmed in addition to barium.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In WASP 121b, they confirmed the presence of lithium, sodium, magnesium, calcium, vanadium, chromium, manganese, iron and nickel.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Additionally, the scientists found elements such as cobalt and strontium. They also found indications of titanium in the exoplanet.<\/span><\/p>\n<h5><b>What is the significance of these findings?<\/b><\/h5>\n<p><span style=\"font-weight: 400;\">Barium two and half times heavier than iron is the heaviest-ever detected element in the upper atmosphere.<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This is surprising because heavy elements like barium are expected to quickly fall into the lower layers of the atmosphere given these exoplanets have high gravity<\/span><i><span style=\"font-weight: 400;\">,<\/span><\/i><\/p>\n<h5><b>What is Barium?<\/b><\/h5>\n<p><span style=\"font-weight: 400;\">Barium is a silvery-white metal which exists in nature only in ores containing mixtures of elements.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">It combines with other chemicals such as sulfur or carbon and oxygen to form barium compounds.<\/span><\/p>\n<p><b>Applications:<\/b><span style=\"font-weight: 400;\"> Barium is often used in barium-nickel alloys for spark-plug electrodes and in vacuum tubes as drying and oxygen-removing agents.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u2013 It is also used in fluorescent lamps: impure barium sulfide phosphoresces after exposure to the light.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u2013 Barium compounds are used by the oil and gas industries to make drilling mud. Drilling mud simplifies drilling through rocks by lubricating the drill.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u2013 Barium compounds are also used to make paint, bricks, tiles, glass, and rubber. Barium nitrate and chlorate give fireworks a green colour.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Source: The post is based on the article \u201cHeavy metal out there: Researchers detect barium in atmospheres of 2 exoplanets\u201d published in Down To Earth on 16th October 2022. What is the News? Scientists have detected barium in the upper atmosphere of two giant exoplanets for the first time. Which are those two exoplanets where&hellip; <a class=\"more-link\" href=\"https:\/\/forumias.com\/blog\/heavy-metal-out-there-researchers-detect-barium-in-atmospheres-of-2-exoplanets\/\">Continue reading <span class=\"screen-reader-text\">Heavy metal out there: Researchers detect barium in atmospheres of 2 exoplanets<\/span><\/a><\/p>\n","protected":false},"author":10317,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[1566,1738,9],"tags":[10504,10514],"class_list":["post-210756","post","type-post","status-publish","format-standard","hentry","category-daily-factly-articles","category-science-and-technology-daily-factly-articles","category-public","tag-down-to-earth","tag-dte","entry"],"jetpack_featured_media_url":"","views":{"total":0,"cached_at":1700784480,"cached_date":1704882169},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/210756","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/users\/10317"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=210756"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/210756\/revisions"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=210756"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=210756"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=210756"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}