{"product_id":"explore-alliance-presents-how-do-you-know-episode-18-mapping-constellations","title":"Explore Alliance Presents: How Do You KNOW? – Episode #18: 'Mapping Constellations'","description":"\u003cdiv title=\"Page 1\" class=\"page\"\u003e\n\u003cdiv class=\"layoutArea\"\u003e\n\u003cdiv class=\"column\"\u003e\n\u003cdiv class=\"page\" title=\"Page 1\"\u003e\n\u003cdiv class=\"layoutArea\"\u003e\n\u003cdiv class=\"column\"\u003e\n\u003cp\u003e\u003cspan\u003eHumans have attempted to map the stars in the sky since antiquity.  \u003c\/span\u003eThe earliest Western catalog of\u003cspan\u003e \u003c\/span\u003estars was created by the Greek astronomer Hipparchus around 129 BC, building on earlier work going back to the Babylonians. From China, an early example is \u003cspan\u003ecalled the Dunhuang chart, now kept at the British Library in London, is a complete star atlas dating to the 3rd and 4th century BC from\u003cspan data-mce-fragment=\"1\"\u003e Chinese astronomers Shi Shen, Gan De and Wu Xian. \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAttempts to map the stars with ever more accuracy have given humanity a greater sense of our place in the universe. With them we not only navigate our telescopes across the heavens, but our spacecraft as well. \u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003eIn this presentation of 'How Do You KNOW?', \u003cmeta charset=\"utf-8\"\u003eDr. Barth shows how to make your own star maps so that you too can participate in this age-old tradition.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca title=\"How Do You KNOW? Index of Programs\" href=\"https:\/\/explorescientificusa.com\/pages\/explore-alliance-presents-how-do-you-know-with-dr-daniel-barth\"\u003eReturn to the How Do You KNOW? index of programs\u003c\/a\u003e. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"page\" title=\"Page 1\"\u003e\n\u003cdiv class=\"layoutArea\"\u003e\n\u003cdiv class=\"column\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":46518264234124,"sku":"sku-40139530436780","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0577\/5858\/0876\/files\/HowDoYouKnow_COLORcopy_f4ca6c28-7899-4601-9e58-9ea25825493d.png?v=1772695485","url":"https:\/\/gobekusa.com\/products\/explore-alliance-presents-how-do-you-know-episode-18-mapping-constellations","provider":"GobekUSA","version":"1.0","type":"link"}