{"product_id":"keplora-kepler-s-third-law-physics-mug","title":"Keplora – Kepler’s Third Law Physics Mug","description":"\u003cp\u003eWhy is a year on Neptune 165 Earth years? Keplora counts the laps. Kepler’s third law, T² = (4π²\/GM)a³, ties a planet’s orbital period to its average distance from the Sun. Farther out, the orbit is longer and the planet moves slower. Pixel-art black ceramic mug in 11 or 15 oz; equation, symbols and sources in the physics panel below.\u003c\/p\u003e","brand":"Printify","offers":[{"title":"11oz","offer_id":50420029423719,"sku":"29709986523455150405","price":21.99,"currency_code":"USD","in_stock":true},{"title":"15oz","offer_id":50420029456487,"sku":"82068193699797810328","price":23.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/8746\/9159\/files\/keplora_closeup_2400.png?v=1791690174","url":"https:\/\/pixelatedphysics.com\/products\/keplora-kepler-s-third-law-physics-mug","provider":"Pixelated Physics","version":"1.0","type":"link"}