{"id":3733,"date":"2025-09-20T16:08:23","date_gmt":"2025-09-20T19:08:23","guid":{"rendered":"https:\/\/overticeportal.com.br\/?p=3733"},"modified":"2025-09-20T16:08:25","modified_gmt":"2025-09-20T19:08:25","slug":"deus-do-caos-agencias-espaciais-se-preparam-para-asteroide-de-2029","status":"publish","type":"post","link":"https:\/\/www.portalam9.com.br\/?p=3733","title":{"rendered":"\u201cDeus do Caos\u201d: ag\u00eancias espaciais se preparam para asteroide de 2029"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">O aster\u00f3ide Ap\u00f3fis, batizado com o nome do deus do caos eg\u00edpicio, \u00e9 um dos astros que mais desperta medo e curiosidade dos cientistas. Com seus imponentes 340 metros de largura (maior que a Torre Eiffel de Paris), ele passar\u00e1 t\u00e3o perto da Terra em 13 de abril de 2029 que ser\u00e1 vis\u00edvel a olho nu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Os c\u00e1lculos mais recentes preveem que ele passe a cerca de 35 mil km da superf\u00edcie do planeta, na faixa onde est\u00e3o posicionados os sat\u00e9lites geoestacion\u00e1rios de meteorologia e comunica\u00e7\u00f5es. Cientistas calculam que mais de 2 bilh\u00f5es de pessoas poder\u00e3o observar o fen\u00f4meno a olho nu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Descoberto em 2004, o objeto gerou temor inicial de impacto. C\u00e1lculos preliminares apontaram risco de colis\u00e3o em 2029 ou 2036. Novas observa\u00e7\u00f5es feitas em 2009 descartaram o perigo, mas ele ainda \u00e9 considerado astronomicamente um dos maiores riscos para a Terra, com 1 chance em 45 mil de cair no nosso planeta. Por isso, ag\u00eancias espaciais internacionais t\u00eam corrido para estud\u00e1-lo.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ag\u00eancias partem em dire\u00e7\u00e3o a asteroide<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A Ag\u00eancia Espacial Europeia (ESA), prepara a miss\u00e3o Ramses, com lan\u00e7amento em 2028 para tentar interceptar o asteroide e estacionar nele. O objetivo \u00e9 acompanhar Ap\u00f3fis em detalhes, medindo \u00f3rbita, rota\u00e7\u00e3o, estrutura interna e seus efeitos das for\u00e7as de mar\u00e9 da Terra.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">J\u00e1 a Ag\u00eancia Japonesa de Explora\u00e7\u00e3o Aeroespacial (JAXA) contribuir\u00e1 com instrumentos como c\u00e2mera infravermelha t\u00e9rmica para compor a miss\u00e3o europeia, al\u00e9m de ter adaptado sua miss\u00e3o Destiny+, originalmente voltada ao asteroide 3200 Phaethon, a estudar o Ap\u00f3fis, mas correndo atr\u00e1s de sua \u00f3rbita.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A NASA estendeu a miss\u00e3o Osiris para sair da coleta de amostras do asteroide Bennu (outra amea\u00e7a constante \u00e0 Terra) e passar pelo Ap\u00f3fis. Apesar dos planos, o futuro da Osiris depende de or\u00e7amento. O governo americano chegou a propor o cancelamento. A continuidade depende de decis\u00e3o do Congresso. Cientistas argumentam que o estudo de Ap\u00f3fis pode ajudar na defesa planet\u00e1ria e na compreens\u00e3o de asteroides pr\u00f3ximos.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">As amea\u00e7as do \u201cDeus do Caos\u201d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O nome oficial do asteroide \u00e9 99942 Ap\u00f3fis, inspirado na divindade eg\u00edpcia de formato de serpente que simbolizava o caos e a escurid\u00e3o. Na mitologia, a serpente enfrentava o deus R\u00e1, o Sol, a cada noite.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O asteroide tem uma possibilidade de impacto na terra em 13 de abril de 2036, a depender de ajustes que sejam feitos em sua trajet\u00f3ria. A maior probabilidade de impacto, quando est\u00e1 previsto que ele passe a cerca de 120 km do solo ser\u00e1 nos dias 12 de abril de 2068 e 15 de outubro de 2069.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">No pior cen\u00e1rio, o asteroide pode causar um impacto de 800 megatons, 200 vezes mais poderoso do que a explos\u00e3o da bomba at\u00f4mica de Hiroshima. Apesar de devastador, ele n\u00e3o eliminaria a vida humana da Terra.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Fonte: Metr\u00f3poles <strong> \/ <\/strong>Foto: Getty Images<br><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Asteroide Ap\u00f3fis passar\u00e1 t\u00e3o perto da Terra em abril de 2029 que ser\u00e1 vis\u00edvel a olho nu. Tr\u00eas ag\u00eancias espaciais correm para intercept\u00e1-lo<\/p>\n","protected":false},"author":3,"featured_media":3734,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-3733","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-curiosidades-2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u201cDeus do Caos\u201d: ag\u00eancias espaciais se preparam para asteroide de 2029 - Portal Amazonas 9<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/portalam9.com.br\/?p=3733\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u201cDeus do Caos\u201d: ag\u00eancias espaciais se preparam para asteroide de 2029 - Portal Amazonas 9\" \/>\n<meta property=\"og:description\" content=\"Asteroide Ap\u00f3fis passar\u00e1 t\u00e3o perto da Terra em abril de 2029 que ser\u00e1 vis\u00edvel a olho nu. 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