{"product_id":"the-accelerating-universe-plate-073-physics-poster","title":"The Accelerating Universe – Plate 073 Physics Poster","description":"\u003cp\u003ePlate 73 speaks for itself: \u003cem\u003e“The farthest lights were dimmer than they should have been.”\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eThe Physics\u003c\/h3\u003e\u003cp\u003eDistant type Ia supernovae looked fainter than a decelerating universe allows. The extra distance means the expansion is speeding up, driven by dark energy.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ed_L = (1 + z) c ∫₀ᶻ dz′ \/ H(z′)\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ed_L: luminosity distance, m\u003c\/li\u003e\n\u003cli\u003ez: redshift, dimensionless\u003c\/li\u003e\n\u003cli\u003ec: speed of light, m s⁻¹\u003c\/li\u003e\n\u003cli\u003eH: Hubble parameter, s⁻¹\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRiess et al. 1998 and Perlmutter et al. 1999. Planck 2018: Ω_Λ ≈ 0.68, Ω_m ≈ 0.32.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eHonest caveat:\u003c\/em\u003e The integral form assumes a spatially flat universe.\u003c\/p\u003e\u003ch3\u003eSources\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eA. G. Riess et al., Astron. J. 116, 1009 (1998).\u003c\/li\u003e\n\u003cli\u003eS. Perlmutter et al., Astrophys. J. 517, 565 (1999).\u003c\/li\u003e\n\u003cli\u003ePlanck Collaboration, A\u0026amp;A 641, A6 (2020).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOn the poster\u003c\/h3\u003e\u003cp\u003ePlate 073, “The Accelerating Universe”: the pixel-art plate with its slogan “The farthest lights were dimmer than they should have been.”, 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":50962667929703,"sku":"26786978368497822477","price":19.99,"currency_code":"USD","in_stock":true},{"title":"9'' x 12\" (Vertical) \/ Fine Art","offer_id":50962667962471,"sku":"13553856717032153838","price":29.99,"currency_code":"USD","in_stock":true},{"title":"9'' x 12\" (Vertical) \/ Semi Glossy","offer_id":50962667995239,"sku":"11023338799819349973","price":19.99,"currency_code":"USD","in_stock":true},{"title":"18″ x 24″ (Vertical) \/ Fine Art","offer_id":50962668028007,"sku":"82608825584415075707","price":44.99,"currency_code":"USD","in_stock":true},{"title":"18″ x 24″ (Vertical) \/ Semi Glossy","offer_id":50962668060775,"sku":"29850941052602102002","price":29.99,"currency_code":"USD","in_stock":true},{"title":"18″ x 24″ (Vertical) \/ Matte","offer_id":50962668093543,"sku":"10610890778406099697","price":29.99,"currency_code":"USD","in_stock":true},{"title":"36'' x 48\" (Vertical) \/ Matte","offer_id":50962668126311,"sku":"13816312890433253746","price":69.99,"currency_code":"USD","in_stock":true},{"title":"36'' x 48\" (Vertical) \/ Fine Art","offer_id":50962668159079,"sku":"34806307700040052078","price":119.99,"currency_code":"USD","in_stock":true},{"title":"36'' x 48\" (Vertical) \/ Semi Glossy","offer_id":50962668191847,"sku":"19997168946584714558","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/8746\/9159\/files\/7552870633430837453_2048.jpg?v=1793636320","url":"https:\/\/pixelatedphysics.com\/sv\/products\/the-accelerating-universe-plate-073-physics-poster","provider":"Pixelated Physics","version":"1.0","type":"link"}