{"id":13058,"date":"2026-03-29T12:47:53","date_gmt":"2026-03-29T12:47:53","guid":{"rendered":"https:\/\/msealey.co.uk\/K12-Journeys\/?post_type=lesson&#038;p=13058"},"modified":"2026-04-15T17:26:00","modified_gmt":"2026-04-15T17:26:00","slug":"55-cancri-s","status":"publish","type":"lesson","link":"https:\/\/msealey.co.uk\/K12-Journeys\/lesson\/55-cancri-s\/","title":{"rendered":"55 Cancri (S)"},"content":{"rendered":"\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><div class=\"class-box class-image\">\r\n\t<ul class=\"data-list\">\r\n\t\t<li>\r\n\t\t\t<a class=\"\" title=\"Journey through Space\" href=\"https:\/\/msealey.co.uk\/K12-Journeys\/journeys\/journey-through-space\/\" rel=\"noopener\">\r\n\t\t\t\r\n\t\t\t\t<img decoding=\"async\" class=\"class-logo medium\" src=\"https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2023\/07\/Journey_through_Space-Tall.png\" alt=\"Journey through Space\" title=\"Journey through Space\" \/>\r\n\t\t\t\r\n\t\t\t<\/a>\r\n\t\t<\/li>\r\n\t<\/ul>\r\n<\/div>\r\n\r\n<!--<div class=\"class-box\">\r\n\t<h2 class=\"class-title\">55 Cancri<\/h2>\r\n<\/div>-->\r\n\r\n<h4 class=\"wp-block-heading class-header\">Key Information<\/h4>\r\n\r\n<div class=\"class-box\">\r\n\t<h3 class=\"class-title\">55 Cancri<\/h3>\r\n\t<figure class=\"wp-block-table info-table\">\r\n\t\t<div class=\"table-wrapper\">\r\n\t\t\t<table class=\"class-table\">\r\n\t\t\t\t<tbody>\r\n\t\r\n\t\t\t\t<tr>\r\n\t\t\t\t\t<td class=\"class-table-title\">Type<\/td>\r\n\t\t\t\t\t<td>Star System (binary)<\/td>\r\n\t\t\t\t<\/tr>\r\n\t\r\n\t\t\t\t<tr>\r\n\t\t\t\t\t<td class=\"class-table-title\">Star Types<\/td>\r\n\t\t\t\t\t<td>KOIV-V &#8211; Orange dwarf (A), M4.5V &#8211; Red dwarf (B)<\/td>\r\n\t\t\t\t<\/tr>\r\n\t\r\n\t\t\t\t<tr>\r\n\t\t\t\t\t<td class=\"class-table-title\">Diameter<\/td>\r\n\t\t\t\t\t<td>815,295 miles (A), 231,706 miles (B)<\/td>\r\n\t\t\t\t<\/tr>\r\n\t\r\n\t\t\t\t<tr>\r\n\t\t\t\t\t<td class=\"class-table-title\">Mass<\/td>\r\n\t\t\t\t\t<td>0.905 M\u2609 (A), 0.264 M\u2609 (B)<\/td>\r\n\t\t\t\t<\/tr>\r\n\t\r\n\t\t\t\t<tr>\r\n\t\t\t\t\t<td class=\"class-table-title\">Temperature<\/td>\r\n\t\t\t\t\t<td>8,850 \u00b0F (A), 5,510 \u00b0F (B)<\/td>\r\n\t\t\t\t<\/tr>\r\n\t\r\n\t\t\t\t<tr>\r\n\t\t\t\t\t<td class=\"class-table-title\">Distance<\/td>\r\n\t\t\t\t\t<td>40.95 light years<\/td>\r\n\t\t\t\t<\/tr>\r\n\t\r\n\t\t\t\t<tr>\r\n\t\t\t\t\t<td class=\"class-table-title\">Date of Discovery<\/td>\r\n\t\t\t\t\t<td>Unknown<\/td>\r\n\t\t\t\t<\/tr>\r\n\t\r\n\t\t\t\t<tr>\r\n\t\t\t\t\t<td class=\"class-table-title\">Other Names<\/td>\r\n\t\t\t\t\t<td>Copernicus, HD 75732, HR 3522<\/td>\r\n\t\t\t\t<\/tr>\r\n\t\r\n\t\t\t\t<\/tbody>\r\n\t\t\t<\/table>\r\n\t\t<\/div>\r\n\t<\/figure>\r\n<\/div>\r\n\r\n<h4 class=\"wp-block-heading class-header\">Learning Point<\/h4>\r\n\r\n<div class=\"class-box\">\r\n\t<ul>\n<li><strong>55 Cancri<\/strong>&nbsp;is a close&nbsp;<strong>binary star system<\/strong>&nbsp;that has been discovered to have&nbsp;<strong>at least five planets<\/strong>. The main star\u2019s&nbsp;<strong>similar size to our Sun<\/strong>&nbsp;and the interesting positions of some of the planets have led to&nbsp;<strong>comparisons with our own Solar System<\/strong>, but more recent discoveries have shown its&nbsp;<strong>planets are very different<\/strong>.<\/li>\n<\/ul>\n\r\n<\/div>\r\n\r\n<h4 class=\"wp-block-heading class-header\">Project<\/h4>\r\n\r\n<div class=\"class-box\">\r\n\t<ul>\n<li>Draw a diagram of the 55 Cancri star system.<\/li>\n<\/ul>\n\r\n<\/div>\r\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<div class=\"wp-block-gutena-tabs gutena-tabs-block gutena-tabs-block-77de37-56 class-container class-tab\"><ul class=\"gutena-tabs-tab tab-flex\"><li class=\"gutena-tab-title active\" data-tab=\"1\"><div class=\"gutena-tab-title-content icon-top\"><div class=\"gutena-tab-title-text\"><div>Overview<\/div><\/div><\/div><\/li><li class=\"gutena-tab-title inactive\" data-tab=\"2\"><div class=\"gutena-tab-title-content icon-top\"><div class=\"gutena-tab-title-text\"><div>Comparison<\/div><\/div><\/div><\/li><\/ul><div class=\"gutena-tabs-content is-layout-flow wp-block-gutena-tabs-is-layout-flow\">\n<div class=\"wp-block-gutena-tab gutena-tab-block gutena-tab-block-8cda23-16 active class-box class-image\" data-tab=\"1\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"538\" src=\"https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2024\/05\/55_Cancri-1024x538.jpg\" alt=\"55 Cancri\" class=\"wp-image-7231\" srcset=\"https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2024\/05\/55_Cancri-1024x538.jpg 1024w, https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2024\/05\/55_Cancri-300x158.jpg 300w, https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2024\/05\/55_Cancri-768x404.jpg 768w, https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2024\/05\/55_Cancri-1536x807.jpg 1536w, https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2024\/05\/55_Cancri.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-gutena-tab gutena-tab-block gutena-tab-block-5b3cc4-66 inactive class-box class-image\" data-tab=\"2\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"720\" height=\"486\" src=\"https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2024\/05\/55_Cancri_Planet_Orbits.jpg\" alt=\"Orbits of the Planets in 55 Cancri\" class=\"wp-image-7229\" srcset=\"https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2024\/05\/55_Cancri_Planet_Orbits.jpg 720w, https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2024\/05\/55_Cancri_Planet_Orbits-300x203.jpg 300w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><figcaption class=\"wp-element-caption\">By NASA &#8211; <a rel=\"nofollow\" class=\"external free\" href=\"http:\/\/origins.jpl.nasa.gov\/library\/extrasolar\/images\/061302-a-01.jpg\">http:\/\/origins.jpl.nasa.gov\/library\/extrasolar\/images\/061302-a-01.jpg<\/a>, Public Domain, <a href=\"https:\/\/commons.wikimedia.org\/w\/index.php?curid=1221036\">Link<\/a><\/figcaption><\/figure>\n<\/div>\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\r\n\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading class-header\">Location<\/h4>\r\n\r\n<div class=\"class-box\">\r\n\t<div id='gallery-1' class='gallery galleryid-13058 gallery-columns-1 gallery-size-full'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"643\" height=\"568\" src=\"https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2024\/05\/55_Cancri_Location.png\" class=\"attachment-full size-full\" alt=\"Location of 55 Cancri\" aria-describedby=\"gallery-1-7217\" srcset=\"https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2024\/05\/55_Cancri_Location.png 643w, https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2024\/05\/55_Cancri_Location-300x265.png 300w\" sizes=\"auto, (max-width: 643px) 100vw, 643px\" \/>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-1-7217'>\n\t\t\t\t<a href=\"http:\/\/creativecommons.org\/licenses\/by-sa\/3.0\/\" title=\"Creative Commons Attribution-Share Alike 3.0\">CC BY-SA 3.0<\/a>, <a href=\"https:\/\/commons.wikimedia.org\/w\/index.php?curid=361148\">Link<\/a>\n\t\t\t\t<\/figcaption><\/figure>\n\t\t<\/div>\n\r\n\r\n\t<figure class=\"wp-block-table info-table\">\r\n\t\t<div class=\"table-wrapper\">\r\n\t\t\t<table class=\"class-table\">\r\n\t\t\t\t<tbody>\r\n\t\r\n\t\t\t\t<tr>\r\n\t\t\t\t\t<td class=\"class-table-title\">Located in<\/td>\r\n\t\t\t\t\t<td>Cancer constellaion, within the Milky Way<\/td>\r\n\t\t\t\t<\/tr>\r\n\t\r\n\t\t\t\t<\/tbody>\r\n\t\t\t<\/table>\r\n\t\t<\/div>\r\n\t<\/figure>\r\n<\/div>\r\n\r\n<h4 class=\"wp-block-heading class-header\">Fun Facts<\/h4>\r\n\r\n<div class=\"class-box\">\r\n\t<ul>\n<li>The name given to the <strong>main star<\/strong> is <strong>Copernicus<\/strong>, and the five planets are named <strong>Galileo<\/strong>, <strong>Brahe<\/strong>, <strong>Lipperhey<\/strong>, <strong>Janssen <\/strong>and <strong>Harriot<\/strong>.<\/li>\n<li><strong>Copernicus&nbsp;<\/strong>is classified as a&nbsp;<strong>super metal-rich<\/strong>&nbsp;star (SMR) because it has&nbsp;<strong>almost double the amount of iron<\/strong>&nbsp;that our Sun has.<\/li>\n<li><strong>55 Cancri e&nbsp;<\/strong>(Janssen) is a&nbsp;<strong>super-earth<\/strong>&nbsp;orbiting in about&nbsp;<strong>18 hours<\/strong>.<\/li>\n<li>Recent observations by the&nbsp;<strong>James Webb Space Telescope<\/strong>&nbsp;suggest it has an&nbsp;<strong>atmosphere<\/strong>, made mostly from&nbsp;<strong>carbon dioxide or carbon monoxide<\/strong>.<\/li>\n<\/ul>\n\r\n<\/div><\/div><\/div>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><h4 class=\"wp-block-heading class-header\">Past Lessons<\/h4>\r\n\r\n<div class=\"class-box\">\r\n\t<figure class=\"wp-block-table info-table\">\r\n\t\t<div class=\"table-wrapper\">\r\n\t\t\t<table class=\"class-list\">\r\n\t\t\t\t<tbody>\r\n\t\t\t\t\t\r\n\t\t\t\t\t\r\n\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t<td class=\"icon\">258<\/td>\r\n\t\t\t\t\t\t<td class=\"class-table-title\">April 6, 2026<\/td>\r\n\t\t\t\t\t\t<td>(North America)<\/td>\r\n\t\t\t\t\t<\/tr>\r\n\t\t\t\t\t\r\n\t\t\t\t\t\r\n\t\t\t\t\t<tr class=\"hide-this-row\">\r\n\t\t\t\t\t\t<td colspan=\"3\">No Past Lessons<\/td>\r\n\t\t\t\t\t<\/tr>\r\n\t\t\t\t<\/tbody>\r\n\t\t\t<\/table>\r\n\t\t<\/div>\r\n\t<\/figure>\r\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\r\n<h4 class=\"wp-block-heading class-header\">Upcoming Lessons<\/h4>\r\n\r\n<div class=\"class-box\">\r\n\t<figure class=\"wp-block-table info-table\">\r\n\t\t<div class=\"table-wrapper\">\r\n\t\t\t<table class=\"class-list\">\r\n\t\t\t\t<tbody>\r\n\r\n\t\t\t\t\t\r\n\t\t\t\t\t\r\n\t\t\t\t\t\r\n\r\n\t\t\t\t\t<tr class=\"hide-this-row\">\r\n\t\t\t\t\t\t<td colspan=\"3\">No Upcoming Lessons<\/td>\r\n\t\t\t\t\t<\/tr>\r\n\t\t\t\t<\/tbody>\r\n\t\t\t<\/table>\r\n\t\t<\/div>\r\n\t<\/figure>\r\n<\/div>\r\n<\/div>\n<\/div>\n","protected":false},"featured_media":0,"template":"","class_list":["post-13058","lesson","type-lesson","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/msealey.co.uk\/K12-Journeys\/wp-json\/wp\/v2\/lesson\/13058","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/msealey.co.uk\/K12-Journeys\/wp-json\/wp\/v2\/lesson"}],"about":[{"href":"https:\/\/msealey.co.uk\/K12-Journeys\/wp-json\/wp\/v2\/types\/lesson"}],"wp:attachment":[{"href":"https:\/\/msealey.co.uk\/K12-Journeys\/wp-json\/wp\/v2\/media?parent=13058"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}