{"product_id":"the-milankovitch-rhythms-plate-093-physics-poster","title":"The Milankovitch Rhythms – Plate 093 Physics Poster","description":"\u003cp\u003ePlate 93 speaks for itself: \u003cem\u003e“Ice ages keep time with Earth's orbit.”\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eThe Physics\u003c\/h3\u003e\u003cp\u003eSlow changes in Earth's tilt, the timing of its seasons and the shape of its orbit alter where sunlight falls. Ice-age cycles in climate records match these rhythms.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eperiods ≈ 41, 23, 100 kyr\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e41 kyr: obliquity cycle\u003c\/li\u003e\n\u003cli\u003e23 kyr: precession cycle (about 19–23 kyr)\u003c\/li\u003e\n\u003cli\u003e100 kyr: eccentricity cycle\u003c\/li\u003e\n\u003cli\u003e1 kyr: 1000 years\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eObliquity: 22.1°–24.5° over ~41 kyr. Now 23.44°. Eccentricity: ~100 kyr and ~405 kyr.\u003c\/p\u003e\u003ch3\u003eSources\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eJ. D. Hays, J. Imbrie, N. J. Shackleton, Science 194, 1121 (1976).\u003c\/li\u003e\n\u003cli\u003eJ. Laskar et al., Astron. Astrophys. 428, 261 (2004).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOn the poster\u003c\/h3\u003e\u003cp\u003ePlate 093, “The Milankovitch Rhythms”: the pixel-art plate with its slogan “Ice ages keep time with Earth's orbit.”, the key equation and the facts panel shown above. Pixelated Physics. Physics. Personified.\u003c\/p\u003e","brand":"Printify","offers":[{"title":"9'' x 12\" (Vertical) \/ Matte","offer_id":50962705088615,"sku":"11736012171801349291","price":19.99,"currency_code":"USD","in_stock":true},{"title":"9'' x 12\" (Vertical) \/ Fine Art","offer_id":50962705121383,"sku":"17555460165720459792","price":29.99,"currency_code":"USD","in_stock":true},{"title":"9'' x 12\" (Vertical) \/ Semi Glossy","offer_id":50962705154151,"sku":"21620741464973746923","price":19.99,"currency_code":"USD","in_stock":true},{"title":"18″ x 24″ (Vertical) \/ Fine Art","offer_id":50962705186919,"sku":"32367451087241790032","price":44.99,"currency_code":"USD","in_stock":true},{"title":"18″ x 24″ (Vertical) \/ Semi Glossy","offer_id":50962705219687,"sku":"19960063217594079719","price":29.99,"currency_code":"USD","in_stock":true},{"title":"18″ x 24″ (Vertical) \/ Matte","offer_id":50962705252455,"sku":"27213420386865283931","price":29.99,"currency_code":"USD","in_stock":true},{"title":"36'' x 48\" (Vertical) \/ Matte","offer_id":50962705285223,"sku":"17306469595762201149","price":69.99,"currency_code":"USD","in_stock":true},{"title":"36'' x 48\" (Vertical) \/ Fine Art","offer_id":50962705317991,"sku":"27890532044641892701","price":119.99,"currency_code":"USD","in_stock":true},{"title":"36'' x 48\" (Vertical) \/ Semi Glossy","offer_id":50962705350759,"sku":"30844972352320080621","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/8746\/9159\/files\/13259858076392227599_2048.jpg?v=1793637903","url":"https:\/\/pixelatedphysics.com\/products\/the-milankovitch-rhythms-plate-093-physics-poster","provider":"Pixelated Physics","version":"1.0","type":"link"}