{"id":2965,"date":"2020-05-04T19:22:05","date_gmt":"2020-05-04T19:22:05","guid":{"rendered":"https:\/\/sites.ps.uci.edu\/mathceo\/?page_id=1780"},"modified":"2020-12-03T06:35:42","modified_gmt":"2020-12-03T06:35:42","slug":"alien-civilizations","status":"publish","type":"page","link":"https:\/\/sites.ps.uci.edu\/mathceo\/meeting-4\/alien-civilizations","title":{"rendered":"Alien Civilizations"},"content":{"rendered":"\n<p>Frank Drake in 1961 tackled a most puzzling question: <\/p>\n\n\n\n<p>  <\/p>\n\n\n\n<p class=\"has-background has-text-align-center has-subtle-background-background-color\"><em>Does there exists any intelligent extra-terrestrial life in our Milky Way galaxy?  <\/em><\/p>\n\n\n\n<p>  <\/p>\n\n\n\n<p>Drake came up with a method to estimate how many alien civilizations can actually communicate with us.  It is known as the <strong><a href=\"https:\/\/www.seti.org\/drake-equation-index\" target=\"_blank\" rel=\"noreferrer noopener\">Drake Equation<\/a><\/strong> and it multiplies together 7 numbers.  Each number is denoted by a symbol.<\/p>\n\n\n<div id=\"pl-gb2965-69d290382ce73\"  class=\"panel-layout\" ><div id=\"pg-gb2965-69d290382ce73-0\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-gb2965-69d290382ce73-0-0\"  class=\"panel-grid-cell\" ><div id=\"panel-gb2965-69d290382ce73-0-0-0\" class=\"so-panel widget widget_text panel-first-child panel-last-child\" data-index=\"0\" >\t\t\t<div class=\"textwidget\"><ul>\n<li>\u00a0R<sup>*<\/sup> = the rate of star formation, that is how many new stars are formed each year in our Milky Way<\/li>\n<li>\u00a0f<sub>p<\/sub> = the fraction of stars that have planets<\/li>\n<li>\u00a0n<sub>c<\/sub> = the average number of planets that can support life<\/li>\n<li>\u00a0f<sub>l<\/sub>\u00a0 = the fraction of planets that actually develop life<\/li>\n<li>\u00a0f<sub>i<\/sub>\u00a0 = the fraction of planets with life that have intelligent life<\/li>\n<li>\u00a0f<sub>c<\/sub> = the fraction of intelligent life that can communicate with us<\/li>\n<li>\u00a0L\u00a0 = the expected lifetime of the civilization<\/li>\n<\/ul>\n<\/div>\n\t\t<\/div><\/div><\/div><\/div>\n\n\n<p>Multiply all these numbers together, you will have a prediction of the number of alien civilization in our galaxy that can communicate with us.<\/p>\n\n\n\n<div style=\"height:48px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/sites.ps.uci.edu\/mathceo\/wp-content\/uploads\/sites\/18\/2020\/05\/drake-equation2-1024x468.png\" alt=\"\" class=\"wp-image-1794\" \/><figcaption>By Luciano Ingenito<br><\/figcaption><\/figure>\n\n\n\n<p>Try putting in some numbers in the <a rel=\"noreferrer noopener\" href=\"https:\/\/www.wolframalpha.com\/input\/?i=drake+equation\" target=\"_blank\">Drake Equation Calculator<\/a> and see what you predict for the number of alien civilizations.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Frank Drake in 1961 tackled a most puzzling question: Does there exists any intelligent extra-terrestrial life in our Milky Way galaxy? Drake came up with a method to estimate how many alien civilizations can actually communicate with us. It is known as the Drake Equation and it multiplies together 7 numbers. Each number is denoted [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":2907,"parent":1736,"menu_order":3,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_vp_format_video_url":"","_vp_image_focal_point":[],"footnotes":""},"class_list":["post-2965","page","type-page","status-publish","has-post-thumbnail","hentry","post"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Alien Civilizations - MATH CEO<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sites.ps.uci.edu\/mathceo\/meeting-4\/alien-civilizations\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Alien Civilizations - MATH CEO\" \/>\n<meta property=\"og:description\" content=\"Frank Drake in 1961 tackled a most puzzling question: Does there exists any intelligent extra-terrestrial life in our Milky Way galaxy? Drake came up with a method to estimate how many alien civilizations can actually communicate with us. It is known as the Drake Equation and it multiplies together 7 numbers. Each number is denoted [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/sites.ps.uci.edu\/mathceo\/meeting-4\/alien-civilizations\" \/>\n<meta property=\"og:site_name\" content=\"MATH CEO\" \/>\n<meta property=\"article:modified_time\" content=\"2020-12-03T06:35:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/sites.ps.uci.edu\/mathceo\/wp-content\/uploads\/sites\/20\/2020\/05\/drake-eqn.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1400\" \/>\n\t<meta property=\"og:image:height\" content=\"620\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/sites.ps.uci.edu\\\/mathceo\\\/meeting-4\\\/alien-civilizations\",\"url\":\"https:\\\/\\\/sites.ps.uci.edu\\\/mathceo\\\/meeting-4\\\/alien-civilizations\",\"name\":\"Alien Civilizations - MATH CEO\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/sites.ps.uci.edu\\\/mathceo\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/sites.ps.uci.edu\\\/mathceo\\\/meeting-4\\\/alien-civilizations#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/sites.ps.uci.edu\\\/mathceo\\\/meeting-4\\\/alien-civilizations#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/sites.ps.uci.edu\\\/mathceo\\\/wp-content\\\/uploads\\\/sites\\\/20\\\/2020\\\/05\\\/drake-eqn.png\",\"datePublished\":\"2020-05-04T19:22:05+00:00\",\"dateModified\":\"2020-12-03T06:35:42+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/sites.ps.uci.edu\\\/mathceo\\\/meeting-4\\\/alien-civilizations#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/sites.ps.uci.edu\\\/mathceo\\\/meeting-4\\\/alien-civilizations\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/sites.ps.uci.edu\\\/mathceo\\\/meeting-4\\\/alien-civilizations#primaryimage\",\"url\":\"https:\\\/\\\/sites.ps.uci.edu\\\/mathceo\\\/wp-content\\\/uploads\\\/sites\\\/20\\\/2020\\\/05\\\/drake-eqn.png\",\"contentUrl\":\"https:\\\/\\\/sites.ps.uci.edu\\\/mathceo\\\/wp-content\\\/uploads\\\/sites\\\/20\\\/2020\\\/05\\\/drake-eqn.png\",\"width\":1400,\"height\":620},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/sites.ps.uci.edu\\\/mathceo\\\/meeting-4\\\/alien-civilizations#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/sites.ps.uci.edu\\\/mathceo\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Meeting 4: Predictions\",\"item\":\"https:\\\/\\\/sites.ps.uci.edu\\\/mathceo\\\/meeting-4\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Alien Civilizations\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/sites.ps.uci.edu\\\/mathceo\\\/#website\",\"url\":\"https:\\\/\\\/sites.ps.uci.edu\\\/mathceo\\\/\",\"name\":\"MATH CEO\",\"description\":\"UCI MATH CEO\",\"publisher\":{\"@id\":\"https:\\\/\\\/sites.ps.uci.edu\\\/mathceo\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/sites.ps.uci.edu\\\/mathceo\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/sites.ps.uci.edu\\\/mathceo\\\/#organization\",\"name\":\"MATH CEO\",\"url\":\"https:\\\/\\\/sites.ps.uci.edu\\\/mathceo\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/sites.ps.uci.edu\\\/mathceo\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/sites.ps.uci.edu\\\/mathceo\\\/wp-content\\\/uploads\\\/sites\\\/20\\\/2020\\\/08\\\/Round-Extended-Math-CEO-Logo-e1598128165791.png\",\"contentUrl\":\"https:\\\/\\\/sites.ps.uci.edu\\\/mathceo\\\/wp-content\\\/uploads\\\/sites\\\/20\\\/2020\\\/08\\\/Round-Extended-Math-CEO-Logo-e1598128165791.png\",\"width\":300,\"height\":54,\"caption\":\"MATH CEO\"},\"image\":{\"@id\":\"https:\\\/\\\/sites.ps.uci.edu\\\/mathceo\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Alien Civilizations - MATH CEO","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/sites.ps.uci.edu\/mathceo\/meeting-4\/alien-civilizations","og_locale":"en_US","og_type":"article","og_title":"Alien Civilizations - MATH CEO","og_description":"Frank Drake in 1961 tackled a most puzzling question: Does there exists any intelligent extra-terrestrial life in our Milky Way galaxy? Drake came up with a method to estimate how many alien civilizations can actually communicate with us. It is known as the Drake Equation and it multiplies together 7 numbers. Each number is denoted [&hellip;]","og_url":"https:\/\/sites.ps.uci.edu\/mathceo\/meeting-4\/alien-civilizations","og_site_name":"MATH CEO","article_modified_time":"2020-12-03T06:35:42+00:00","og_image":[{"width":1400,"height":620,"url":"https:\/\/sites.ps.uci.edu\/mathceo\/wp-content\/uploads\/sites\/20\/2020\/05\/drake-eqn.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/sites.ps.uci.edu\/mathceo\/meeting-4\/alien-civilizations","url":"https:\/\/sites.ps.uci.edu\/mathceo\/meeting-4\/alien-civilizations","name":"Alien Civilizations - MATH CEO","isPartOf":{"@id":"https:\/\/sites.ps.uci.edu\/mathceo\/#website"},"primaryImageOfPage":{"@id":"https:\/\/sites.ps.uci.edu\/mathceo\/meeting-4\/alien-civilizations#primaryimage"},"image":{"@id":"https:\/\/sites.ps.uci.edu\/mathceo\/meeting-4\/alien-civilizations#primaryimage"},"thumbnailUrl":"https:\/\/sites.ps.uci.edu\/mathceo\/wp-content\/uploads\/sites\/20\/2020\/05\/drake-eqn.png","datePublished":"2020-05-04T19:22:05+00:00","dateModified":"2020-12-03T06:35:42+00:00","breadcrumb":{"@id":"https:\/\/sites.ps.uci.edu\/mathceo\/meeting-4\/alien-civilizations#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/sites.ps.uci.edu\/mathceo\/meeting-4\/alien-civilizations"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/sites.ps.uci.edu\/mathceo\/meeting-4\/alien-civilizations#primaryimage","url":"https:\/\/sites.ps.uci.edu\/mathceo\/wp-content\/uploads\/sites\/20\/2020\/05\/drake-eqn.png","contentUrl":"https:\/\/sites.ps.uci.edu\/mathceo\/wp-content\/uploads\/sites\/20\/2020\/05\/drake-eqn.png","width":1400,"height":620},{"@type":"BreadcrumbList","@id":"https:\/\/sites.ps.uci.edu\/mathceo\/meeting-4\/alien-civilizations#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/sites.ps.uci.edu\/mathceo\/"},{"@type":"ListItem","position":2,"name":"Meeting 4: Predictions","item":"https:\/\/sites.ps.uci.edu\/mathceo\/meeting-4"},{"@type":"ListItem","position":3,"name":"Alien Civilizations"}]},{"@type":"WebSite","@id":"https:\/\/sites.ps.uci.edu\/mathceo\/#website","url":"https:\/\/sites.ps.uci.edu\/mathceo\/","name":"MATH CEO","description":"UCI MATH CEO","publisher":{"@id":"https:\/\/sites.ps.uci.edu\/mathceo\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/sites.ps.uci.edu\/mathceo\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/sites.ps.uci.edu\/mathceo\/#organization","name":"MATH CEO","url":"https:\/\/sites.ps.uci.edu\/mathceo\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/sites.ps.uci.edu\/mathceo\/#\/schema\/logo\/image\/","url":"https:\/\/sites.ps.uci.edu\/mathceo\/wp-content\/uploads\/sites\/20\/2020\/08\/Round-Extended-Math-CEO-Logo-e1598128165791.png","contentUrl":"https:\/\/sites.ps.uci.edu\/mathceo\/wp-content\/uploads\/sites\/20\/2020\/08\/Round-Extended-Math-CEO-Logo-e1598128165791.png","width":300,"height":54,"caption":"MATH CEO"},"image":{"@id":"https:\/\/sites.ps.uci.edu\/mathceo\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/sites.ps.uci.edu\/mathceo\/wp-json\/wp\/v2\/pages\/2965","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sites.ps.uci.edu\/mathceo\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sites.ps.uci.edu\/mathceo\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sites.ps.uci.edu\/mathceo\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.ps.uci.edu\/mathceo\/wp-json\/wp\/v2\/comments?post=2965"}],"version-history":[{"count":1,"href":"https:\/\/sites.ps.uci.edu\/mathceo\/wp-json\/wp\/v2\/pages\/2965\/revisions"}],"predecessor-version":[{"id":3196,"href":"https:\/\/sites.ps.uci.edu\/mathceo\/wp-json\/wp\/v2\/pages\/2965\/revisions\/3196"}],"up":[{"embeddable":true,"href":"https:\/\/sites.ps.uci.edu\/mathceo\/wp-json\/wp\/v2\/pages\/1736"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sites.ps.uci.edu\/mathceo\/wp-json\/wp\/v2\/media\/2907"}],"wp:attachment":[{"href":"https:\/\/sites.ps.uci.edu\/mathceo\/wp-json\/wp\/v2\/media?parent=2965"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}