{"id":93796,"date":"2020-03-21T12:41:05","date_gmt":"2020-03-21T12:41:05","guid":{"rendered":"https:\/\/www.edristi.in\/?p=93796"},"modified":"2020-03-21T12:41:07","modified_gmt":"2020-03-21T12:41:07","slug":"exoplanet-wasp-76b-rains-iron","status":"publish","type":"post","link":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/exoplanet-wasp-76b-rains-iron\/","title":{"rendered":"Exoplanet WASP-76b rains Iron"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Question: Recently an international team of astronomers has discovered an exoplanet. This exoplanet rains which of the following metal?<\/strong><br> (a) Iron <br> (b) Platinum<br> (c) Copper<br> (d) Silver<br><strong> Answer: (a)<br> Related facts:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Astronomers at Spain&#8217;s Institute of Astrophysics of the Canary Islands (IAC) have discovered an exoplanet WASP-76b where it rains iron.<\/li><li>WASP-76 b was discovered in 2013.<\/li><li>Exoplanet conditions were discovered by Rocky exoplanets and the Echel spectrograph for Stable Spectroscopic Observation (ESPRESSO).<\/li><li>The high-resolution instrument is installed on the Very Large Telescope (VLT) of the European Southern Observatory in Chile.<\/li><li>WASP-76 b is a bizarre Ultrahot Jupiter that lies about 640 light-years from the sun, in the constellation Pisces.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>WASP-76 b\u2019s distance from us:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Some sources say that WASP-76 b is about 390 light-years away, but that number is inaccurate.<\/li><li>Astronomers calculated WASP-76 b&#8217;s most accurate distance using data from Europe&#8217;s ultraprecise star-mapping spacecraft Gaia.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Day-night Temperatures on WASP-76 b:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>WASP-76 b zips around its host star once every 1.8 Earth days.<\/li><li>Temperatures on this dayside climb above 4,350 degrees Fahrenheit (2,400\u00b0C), hot enough to vaporize metals. <\/li><li>Researchers say that the nightside of this planet is much cooler and remains at 2,730 F (1,500 \u00b0C).<\/li><li>One should know that 1500 \u00b0C is also the temperature, enough to maintain iron in liquid state and it explains the cause of iron rain upon this planet. <\/li><li>If we observe an exoplanet during its transit across the disc of its star we can study the part of its atmosphere through which the light from the star passes. <\/li><li>With ESPRESSO it has been possible to detect chemical variations using analysis of the small part of the observable atmosphere.<\/li><li>Similar to Earth\u2019s moon, WASP-76b is tidally locked, which means that it keeps its same face toward the object that it orbits.<\/li><li>Tidally locked situation of WASP-76b causes this extreme difference in temperature between day and night on the planet.<\/li><li>Researchers at the IAC of the view that ultrahot giant planets are the best laboratories for studying extreme climates on exoplanets.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Links:<\/strong><br><a href=\"https:\/\/science.slashdot.org\/story\/20\/03\/12\/2243240\/molten-iron-rain-falls-through-the-skies-of-scorching-hot-exoplanet\">https:\/\/science.slashdot.org\/story\/20\/03\/12\/2243240\/molten-iron-rain-falls-through-the-skies-of-scorching-hot-exoplanet<\/a><br><a href=\"https:\/\/www.foxnews.com\/science\/iron-rain-discovered-on-distant-planet-scientists-reveal.amp?cmpid=prn_newsstand\">https:\/\/www.foxnews.com\/science\/iron-rain-discovered-on-distant-planet-scientists-reveal.amp?cmpid=prn_newsstand<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Question: Recently an international team of astronomers has discovered an exoplanet. This exoplanet rains which of the following metal? (a) Iron (b) Platinum (c) Copper (d) Silver Answer: (a) Related facts: Astronomers at Spain&#8217;s Institute of Astrophysics of the Canary Islands (IAC) have discovered an exoplanet WASP-76b where it rains iron. WASP-76 b was discovered [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":93797,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1123],"tags":[3067],"class_list":["post-93796","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-snes","tag-scientific"],"_links":{"self":[{"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/posts\/93796","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/comments?post=93796"}],"version-history":[{"count":0,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/posts\/93796\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/media\/93797"}],"wp:attachment":[{"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/media?parent=93796"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/categories?post=93796"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/tags?post=93796"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}