{"product_id":"9781573920353","title":"On the Revolutions of Heavenly Spheres (Great Minds Series)","description":"\u003cp\u003eThe Ptolemaic system of the universe, with the earth at the centre, had held sway since antiquity as authoritative in philosophy, science, and church teaching. Following his observations of the heavenly bodies, Nicolaus Copernicus (1473-1543) abandoned the geocentric system for a heliocentric model, with the sun at the centre.\u003c\/p\u003e","brand":"Prometheus Books","offers":[{"title":"Default Title","offer_id":48253407396075,"sku":"00000_00000_00000_00000","price":29.28,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/4484\/5803\/files\/9781573920353-1.jpg?v=1781690660","url":"https:\/\/kinokuniya.com.sg\/products\/9781573920353","provider":"Books Kinokuniya Singapore","version":"1.0","type":"link"}