{"id":10449,"date":"2025-04-17T15:37:19","date_gmt":"2025-04-17T15:37:19","guid":{"rendered":"https:\/\/msealey.co.uk\/K12-Journeys\/?post_type=lesson&#038;p=10449"},"modified":"2025-05-22T21:53:32","modified_gmt":"2025-05-22T21:53:32","slug":"polaris-ds","status":"publish","type":"lesson","link":"https:\/\/msealey.co.uk\/K12-Journeys\/lesson\/polaris-ds\/","title":{"rendered":"Polaris (DS)"},"content":{"rendered":"\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-f56f613f 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 deeper into Space\" href=\"https:\/\/msealey.co.uk\/K12-Journeys\/journeys\/journey-deeper-into-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_deeper_into_Space-Tall.png\" alt=\"Journey deeper into Space\" title=\"Journey deeper into 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\">Polaris<\/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\">Polaris<\/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 (Trinary)<\/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>F7lb &#8211; Yellow supergiant (Aa), F6V &#8211; Yellow-White main sequence (Ab), F3V &#8211; Yellow-White main sequence (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>40,003,92 miles (Aa), 899,159 miles (Ab), 1,193,114 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>5.13 M\u2609 (Aa), 1.316 M\u2609 (Ab), 1.39 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>10,367 \u00b0F (Aa), 10,988 \u00b0F (Ab), 11,960 \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>446.5 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\">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>North Star, Cynosura, Alpha Ursa Minor<\/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>Polaris<\/strong>, or the <strong>North Star<\/strong>, isn&#8217;t the brightest star, but it holds a <strong>unique position almost directly above Earth&#8217;s North Pole<\/strong>, making it <strong>appear stationary<\/strong> in the night sky while all <strong>other stars seem to revolve<\/strong> around it. This special placement has made Polaris an <strong>invaluable navigational tool for centuries<\/strong>, allowing travelers in the Northern Hemisphere to reliably <strong>determine the direction of true north<\/strong>. By locating the <strong>Big Dipper constellation<\/strong> and following its <strong>pointer stars<\/strong>, one can <strong>easily find Polaris<\/strong>, which serves as a <strong>constant beacon<\/strong> in the northern sky, historically <strong>guiding sailors and still acting as a useful backup for modern navigation systems<\/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 the Ursa Minor constellation and mark each star with its name or designation.<\/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>Star and Nebula<\/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-543fc0-6f 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\/2025\/04\/Polaris-1024x538.jpg\" alt=\"Polaris\" class=\"wp-image-10615\" srcset=\"https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2025\/04\/Polaris-1024x538.jpg 1024w, https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2025\/04\/Polaris-300x158.jpg 300w, https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2025\/04\/Polaris-768x404.jpg 768w, https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2025\/04\/Polaris-1536x807.jpg 1536w, https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2025\/04\/Polaris.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-05a1ad-fd inactive class-box class-image\" data-tab=\"2\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"650\" src=\"https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2025\/04\/Polaris_Real_Nebula-1024x650.jpg\" alt=\"Nebula and Star of Polaris\" class=\"wp-image-10613\" srcset=\"https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2025\/04\/Polaris_Real_Nebula-1024x650.jpg 1024w, https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2025\/04\/Polaris_Real_Nebula-300x190.jpg 300w, https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2025\/04\/Polaris_Real_Nebula-768x488.jpg 768w, https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2025\/04\/Polaris_Real_Nebula-1536x975.jpg 1536w, https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2025\/04\/Polaris_Real_Nebula.jpg 1701w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">By <a href=\"\/\/commons.wikimedia.org\/w\/index.php?title=User:Kush.Chandaria&amp;action=edit&amp;redlink=1\" class=\"new\" title=\"User:Kush.Chandaria (page does not exist)\">Kush.Chandaria<\/a> &#8211; <span class=\"int-own-work\" lang=\"en\">Own work<\/span>, <a href=\"https:\/\/creativecommons.org\/licenses\/by-sa\/4.0\" title=\"Creative Commons Attribution-Share Alike 4.0\">CC BY-SA 4.0<\/a>, <a href=\"https:\/\/commons.wikimedia.org\/w\/index.php?curid=108074228\">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 is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group 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-10449 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=\"1080\" height=\"1080\" src=\"https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2025\/04\/Polaris_Location.png\" class=\"attachment-full size-full\" alt=\"Location of Polaris\" aria-describedby=\"gallery-1-10614\" srcset=\"https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2025\/04\/Polaris_Location.png 1080w, https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2025\/04\/Polaris_Location-300x300.png 300w, https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2025\/04\/Polaris_Location-1024x1024.png 1024w, https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2025\/04\/Polaris_Location-150x150.png 150w, https:\/\/msealey.co.uk\/K12-Journeys\/wp-content\/uploads\/2025\/04\/Polaris_Location-768x768.png 768w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-1-10614'>\n\t\t\t\tBy <a href=\"\/\/commons.wikimedia.org\/wiki\/File:Ursa_Minor_constellation_map.png\" title=\"File:Ursa Minor constellation map.png\">Ursa Minor constellation map.png<\/a>: <a href=\"https:\/\/en.wikipedia.org\/wiki\/User:Bronger\" class=\"extiw\" title=\"en:User:Bronger\">Torsten Bronger<\/a> \/ derivative work: <a href=\"\/\/commons.wikimedia.org\/w\/index.php?title=User:Kxx&amp;action=edit&amp;redlink=1\" class=\"new\" title=\"User:Kxx (page does not exist)\">Kxx<\/a> &#8211; <a href=\"\/\/commons.wikimedia.org\/wiki\/File:Ursa_Minor_constellation_map.png\" title=\"File:Ursa Minor constellation map.png\">Ursa Minor constellation map.png<\/a>, <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=10945453\">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>Ursa Minor constellation, 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>Polaris is like a <strong>cosmic compass<\/strong> because it <strong>always points almost exactly to the North<\/strong>!<\/li>\n<li>You can <strong>easily find Polaris<\/strong> by first <strong>spotting the Big Dipper<\/strong> and <strong>following the two stars<\/strong> at the end of its &#8220;bowl.&#8221;<\/li>\n<li>While all the <strong>other stars<\/strong> <strong>seem to move<\/strong> across the sky, <strong>Polaris looks like it stays in the same place<\/strong>.<\/li>\n<li><strong>Polaris <\/strong>is the <strong>last star in the handle<\/strong> of a smaller group of stars called the <strong>Little Dipper<\/strong> (or <strong>Ursa Minor<\/strong>, which means &#8220;<strong>Little Bear<\/strong>&#8220;).<\/li>\n<\/ul>\n\r\n<\/div><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-f56f613f 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\">137<\/td>\r\n\t\t\t\t\t\t<td class=\"class-table-title\">May 12, 2025<\/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-10449","lesson","type-lesson","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/msealey.co.uk\/K12-Journeys\/wp-json\/wp\/v2\/lesson\/10449","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=10449"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}