{"id":198,"date":"2021-05-06T18:35:23","date_gmt":"2021-05-06T21:35:23","guid":{"rendered":"https:\/\/fisica.net\/biografias\/?p=198"},"modified":"2021-05-16T20:03:18","modified_gmt":"2021-05-16T23:03:18","slug":"em-06-05-willem-de-sitter","status":"publish","type":"post","link":"https:\/\/fisica.net\/biografias\/em-06-05-willem-de-sitter\/","title":{"rendered":"Em 06\/05: WILLEM DE SITTER"},"content":{"rendered":"\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" class=\"wp-image-199\" style=\"width: 1000px;\" src=\"https:\/\/fisica.net\/biografias\/wp-content\/uploads\/2021\/05\/05.06-Willem-de-Sitter.jpg\" alt=\"\" srcset=\"https:\/\/fisica.net\/biografias\/wp-content\/uploads\/2021\/05\/05.06-Willem-de-Sitter.jpg 1000w, https:\/\/fisica.net\/biografias\/wp-content\/uploads\/2021\/05\/05.06-Willem-de-Sitter-300x300.jpg 300w, https:\/\/fisica.net\/biografias\/wp-content\/uploads\/2021\/05\/05.06-Willem-de-Sitter-150x150.jpg 150w, https:\/\/fisica.net\/biografias\/wp-content\/uploads\/2021\/05\/05.06-Willem-de-Sitter-768x768.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><br>\u260506\/05\/1872 \u202020\/11\/1934<br><br>Matem\u00e1tico, f\u00edsico e cosmologista holand\u00eas que desenvolveu modelos te\u00f3ricos do Universo baseados na Teoria Geral da Relatividade de Albert Einstein. Ele trabalhou extensivamente sobre os movimentos dos sat\u00e9lites de J\u00fapiter, determinou suas massas e \u00f3rbitas ap\u00f3s d\u00e9cadas de observa\u00e7\u00f5es. Ele novamente determinados os constantes fundamentais da astronomia e determinou-se a varia\u00e7\u00e3o da rota\u00e7\u00e3o da Terra.<\/p>\n\n\n\n<div align=\"center\">\n\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\n<!-- Banner-728x90 -->\n<ins class=\"adsbygoogle\"\n     style=\"display:inline-block;width:728px;height:90px\"\n     data-ad-client=\"ca-pub-8479963969486292\"\n     data-ad-slot=\"1093331068\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script>\n<\/div>\n\n\n\n<p>Realizou estudos estat\u00edsticos da distribui\u00e7\u00e3o e movimentos das estrelas, mas hoje ele \u00e9 mais conhecido por suas contribui\u00e7\u00f5es \u00e0 cosmologia. Sua solu\u00e7\u00e3o de 1917 das equa\u00e7\u00f5es de campo de Einstein mostrou que um Universo quase vazio se expandiria. Mais tarde, ele e Einstein encontraram uma solu\u00e7\u00e3o de um Universo em expans\u00e3o, sem curvatura do espa\u00e7o.<\/p>\n\n\n\n<p>O &#8220;Universo De Sitter&#8221; \u00e9 uma solu\u00e7\u00e3o cosmol\u00f3gica para as equa\u00e7\u00f5es de campo de da Relatividade Geral de Einstein que modela o Universo como espacialmente plano e negligencia a mat\u00e9ria comum, de modo que a din\u00e2mica do Universo depende da constante cosmol\u00f3gica, que corresponde a energia escura em nosso Universo ou o campo inflacion\u00e1rio no Universo primordial.<\/p>\n\n\n\n<p>De acordo com os modelos inflacion\u00e1rios e as observa\u00e7\u00f5es atuais, o Universo est\u00e1 em acelera\u00e7\u00e3o e concorda com o modelo de De Sitter em t = 10 ^ {-33}s ap\u00f3s o Big Bang em instantes distantes do futuro do Universo.<\/p>\n\n\n\n<p>LEIA:<br>https:\/\/en.wikipedia.org\/wiki\/Willem_de_Sitter<br>https:\/\/en.wikipedia.org\/wiki\/De_Sitter_universe<br>https:\/\/en.wikipedia.org\/wiki\/De_Sitter_space<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u260506\/05\/1872 \u202020\/11\/1934 Matem\u00e1tico, f\u00edsico e cosmologista holand\u00eas que desenvolveu modelos te\u00f3ricos do Universo baseados na<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,81],"tags":[28,30,4,27,7,5,29],"class_list":["post-198","post","type-post","status-publish","format-standard","hentry","category-aniversariante","category-maio","tag-cosmologista","tag-einstein","tag-fisico","tag-holandes","tag-maio","tag-matematico","tag-relatividade"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.6 - 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