{"id":355903,"date":"2025-12-19T02:10:16","date_gmt":"2025-12-19T05:10:16","guid":{"rendered":"https:\/\/fdr.com.br\/tendencias\/?p=355903"},"modified":"2025-12-19T02:35:17","modified_gmt":"2025-12-19T05:35:17","slug":"3i-atlas-chegou-19-12-o-que-significa","status":"publish","type":"post","link":"https:\/\/fdr.com.br\/tendencias\/3i-atlas-chegou-19-12-o-que-significa\/","title":{"rendered":"3I\/ATLAS chegou (19\/12): o que significa para o mundo"},"content":{"rendered":"<p data-start=\"392\" data-end=\"685\">O cometa <strong data-start=\"401\" data-end=\"413\">3I\/ATLAS<\/strong>, identificado como um objeto interestelar, atinge <strong data-start=\"464\" data-end=\"491\">nesta quinta-feira (19)<\/strong> o \u00e1pice da sua passagem pelo Sistema Solar em rela\u00e7\u00e3o \u00e0 Terra. O fen\u00f4meno chama aten\u00e7\u00e3o porque envolve um visitante vindo de fora do nosso sistema, algo extremamente raro na astronomia moderna.<\/p>\n<p data-start=\"687\" data-end=\"827\">Apesar da curiosidade, especialistas refor\u00e7am que o evento <strong data-start=\"746\" data-end=\"776\">n\u00e3o oferece qualquer risco<\/strong>, mas representa uma oportunidade cient\u00edfica \u00fanica.<\/p>\n<h2 data-start=\"829\" data-end=\"858\">O que \u00e9 o cometa 3I\/ATLAS?<\/h2>\n<p data-start=\"860\" data-end=\"1119\">O 3I\/ATLAS \u00e9 classificado como um <strong data-start=\"894\" data-end=\"917\">cometa interestelar<\/strong>, ou seja, um corpo celeste que <strong data-start=\"949\" data-end=\"985\">n\u00e3o se originou no Sistema Solar<\/strong>. Ele veio de outra regi\u00e3o da gal\u00e1xia e segue uma trajet\u00f3ria <strong data-start=\"1046\" data-end=\"1061\">hiperb\u00f3lica<\/strong>, o que significa que n\u00e3o ficar\u00e1 preso \u00e0 <strong><a href=\"https:\/\/fdr.com.br\/2025\/05\/28\/como-a-exposicao-ao-sol-pela-manha-melhora-seu-humor\/\">gravidade do Sol<\/a><\/strong>.<\/p>\n<p data-start=\"1121\" data-end=\"1193\">At\u00e9 hoje, apenas tr\u00eas objetos desse tipo foram confirmados oficialmente:<\/p>\n<ul data-start=\"1194\" data-end=\"1254\">\n<li data-start=\"1194\" data-end=\"1214\">\n<p data-start=\"1196\" data-end=\"1214\">\u02bbOumuamua (2017)<\/p>\n<\/li>\n<li data-start=\"1215\" data-end=\"1236\">\n<p data-start=\"1217\" data-end=\"1236\">2I\/Borisov (2019)<\/p>\n<\/li>\n<li data-start=\"1237\" data-end=\"1254\">\n<p data-start=\"1239\" data-end=\"1254\">3I\/ATLAS (2025)<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1256\" data-end=\"1322\">Esse fator torna a passagem atual um evento raro e muito estudado.<\/p>\n<h2 data-start=\"1324\" data-end=\"1374\">Por que hoje \u00e9 considerado o \u00e1pice da passagem?<\/h2>\n<p data-start=\"1376\" data-end=\"1587\">O \u00e1pice acontece porque <strong data-start=\"1400\" data-end=\"1484\">19 de dezembro marca o ponto de maior aproxima\u00e7\u00e3o do 3I\/ATLAS em rela\u00e7\u00e3o \u00e0 Terra<\/strong>.<\/p>\n<p data-start=\"1376\" data-end=\"1587\">Isso n\u00e3o significa que ele esteja mais pr\u00f3ximo do Sol, j\u00e1 que o peri\u00e9lio ocorreu no fim de outubro.<\/p>\n<p data-start=\"1589\" data-end=\"1626\">A partir de agora, o cometa come\u00e7a a:<\/p>\n<ul data-start=\"1627\" data-end=\"1743\">\n<li data-start=\"1627\" data-end=\"1667\">\n<p data-start=\"1629\" data-end=\"1667\">Se afastar progressivamente da Terra<\/p>\n<\/li>\n<li data-start=\"1668\" data-end=\"1709\">\n<p data-start=\"1670\" data-end=\"1709\">Perder brilho ao se distanciar do Sol<\/p>\n<\/li>\n<li data-start=\"1710\" data-end=\"1743\">\n<p data-start=\"1712\" data-end=\"1743\">Retornar ao espa\u00e7o interestelar<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1745\" data-end=\"1832\">Ou seja, este \u00e9 o melhor <strong><a href=\"https:\/\/fdr.com.br\/tendencias\/ultima-superlua-do-ano-ilumina-o-ceu-do-brasil-e-voce-precisa-se-preparar-para-admirar-o-fenomeno\/?noamp=mobile\">momento para observa\u00e7\u00f5es cient\u00edficas e registros astron\u00f4micos<\/a><\/strong>.<\/p>\n<h2 data-start=\"1834\" data-end=\"1868\">\u00c9 poss\u00edvel observar o 3I\/ATLAS?<\/h2>\n<p data-start=\"1870\" data-end=\"1940\">Para o p\u00fablico geral, a observa\u00e7\u00e3o direta <strong data-start=\"1912\" data-end=\"1929\">n\u00e3o \u00e9 simples<\/strong>. O cometa:<\/p>\n<ul data-start=\"1941\" data-end=\"2077\">\n<li data-start=\"1941\" data-end=\"1968\">\n<p data-start=\"1943\" data-end=\"1968\">N\u00e3o \u00e9 vis\u00edvel a olho nu<\/p>\n<\/li>\n<li data-start=\"1969\" data-end=\"2015\">\n<p data-start=\"1971\" data-end=\"2015\">Exige telesc\u00f3pios de m\u00e9dio ou grande porte<\/p>\n<\/li>\n<li data-start=\"2016\" data-end=\"2077\">\n<p data-start=\"2018\" data-end=\"2077\">\u00c9 monitorado principalmente por observat\u00f3rios profissionais<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2079\" data-end=\"2188\">Mesmo assim, astr\u00f4nomos amadores experientes podem tentar registr\u00e1-lo com equipamentos adequados e c\u00e9u limpo.<\/p>\n<style>@media (min-width: 992px) {\n    .recomendadorV2Area1 {\n        width: 280px;\n    }\n    .recomendadorV2Area2 {\n        padding: 0px 20px;\n        width: calc(100% - 280px);\n    }\n}\n\n@media (max-width: 992px) {\n    .recomendadorV2Button {\n        margin: 0 auto;\n    }\n    .recomendadorV2Area {\n        flex-direction: column;\n        text-align: center;\n    }\n    .recomendadorV2Area2 {\n        padding: 0px 20px;\n    }\n}\n\n.recomendadorV2Area {\n    background: #eeeeee3d;\n    border-radius: 10px;\n    padding: 15px;\n    display: flex;\n    margin: 15px auto;\n    border: 1px solid #00000014;\n    max-width: 800px;\n}\n\n.recomendadorV2Area1 img {\n    width: 280px;\n    height: auto;\n    border-radius: 8px;\n}\n\n.linkrecomendadorv2 {\n    text-decoration: none !important;\n}\n\n.recomendadorV2Area2 .recomendadorV2Type {\n    text-transform: uppercase;\n    font-weight: 500;\n    font-size: 11px;\n    letter-spacing: 2px;\n    color: #666;\n    margin: 12px 0;\n    display: block;\n}\n\n.recomendadorV2Title h2 {\n    padding-top: 0px !important;\n    margin: 0px !important;\n    border-left: none !important;\n    padding-left: 0px !important;\n    line-height: 1.3;\n    color: #000 !important;\n    font-size: 24px;\n    margin-bottom: 12px !important;\n}\n\n.recomendadorV2Desc {\n    color: #333;\n    margin: 12px 0px !important;\n    font-size: 15px;\n    line-height: 1.5;\n}\n\n.recomendadorV2Button {\n    width: auto;\n    max-width: 200px;\n    margin: 0;\n    display: inline-flex;\n    align-items: center;\n    background: #1D3557;\n    border-radius: 8px;\n    color: #fff;\n    height: 36px;\n    justify-content: center;\n    text-align: center;\n    font-size: 14px;\n    padding: 0 20px;\n    transition: background-color 0.2s ease;\n}\n\n.recomendadorV2Button:hover {\n    background: #2a4d7a;\n}\n\n.recomendadorV2Button:after {\n    margin-top: -2px;\n    content: \"\u2192\";\n    padding: 0px 0px 0px 8px;\n}\n\n.recomendadorV2Alert {\n    text-align: left;\n    font-size: 11px;\n    margin-top: 8px;\n    color: #666;\n}\n\n.recomendadorFixedArea {\n    width: 100%;\n    display: flex;\n    justify-content: center;\n    align-items: center;\n}\n\n@media (min-width: 992px) {\n    #recomendadorFixed {\n        width: 32% !important;\n        left: 5%;\n    }\n    .recomendadorCloseFixed{\n        right: inherit !important;\n        left: 378px !important;\n    }\n}\n\n#recomendadorFixed {\n    width: 90%;\n    box-shadow: 0 10px 20px 0px #00000057;\n    display: none;\n    height: 90px;\n    background: #F6F6F6;\n    position: fixed;\n    flex-direction: row;\n    bottom: 10px;\n    z-index: 9999;\n    border-radius: 16px;\n    padding: 7px 10px;\n}\n\n.recomendadorLeftArea {\n    width: 160px;\n}\n\n.recomendadorRightArea h2 {\n    padding-top: 0px;\n    margin: 2px 0px 4px 0px !important;\n    font-weight: 400;\n    text-align: center;\n    padding-left: 0px !important;\n    color: #000 !important;\n    border-left: none !important;\n    line-height: 20px;\n    font-size: 12px !important;\n}\n\n.recomendadorImgFixed {\n    overflow: hidden;\n    padding: 8px 6px;\n    height: 100%;\n}\n\n.recomendadorImgFixed img {\n    height: 100% !important;\n    border-radius: 16px;\n}\n\n.recomendadorRightArea {\n    padding-top: 6px;\n    display: flex;\n    width: calc(100% - 130px);\n    justify-content: space-between;\n    align-items: center;\n    flex-direction: column;\n}\n\n.recomendadorButtonFixed {\n    margin: 0 auto;\n    background: #1D3557;\n    width: 80%;\n    text-align: center;\n    font-size: 10px;\n    color: #FFF;\n    padding: 2px 10px;\n    border-radius: 3px;\n}\n\n.recomendadorButtonFixed:after {\n    margin-top: -3px;\n    content: \"\u2192\";\n    padding: 0px 0px 0px 10px;\n}\n\n.recomendadorAlertFixed {\n    font-weight: 400;\n    text-align: center;\n    color: #484848;\n    font-size: 8px;\n}\n\n.recomendadorCloseFixed {\n    z-index: 99999;\n    display: none;\n    right: 0px;\n    left: inherit;\n    bottom: 99px;\n    position: fixed;\n    justify-content: center;\n    background: #F6F6F6;\n    width: 25px;\n    align-items: center;\n    height: 25px;\n    font-weight: 800;\n    border-radius: 50%;\n    border: 1px solid #EBEBEB;\n}\n\n.recomendadorV2Desc{\n    color: #000000;\n    margin: 20px 0px;\n}\n\n@media (max-width: 576px) {\n    .recomendadorV2Area {\n      padding: 10px;\n      max-width: 100%;\n    }\n  \n    .recomendadorV2Area1 img {\n      width: 100%;\n      border-radius: 6px;\n    }\n  \n    .recomendadorV2Area2 .recomendadorV2Type {\n      font-size: 9px;\n      letter-spacing: 1px;\n      margin: 8px 0;\n    }\n  \n    .recomendadorV2Title h2 {\n      font-size: 18px !important;\n      margin-bottom: 8px !important;\n      line-height: 1.2;\n    }\n  \n    .recomendadorV2Desc {\n      font-size: 14px;\n      margin: 8px 0 !important;\n      line-height: 1.4;\n    }\n  \n    .recomendadorV2Button {\n      font-size: 14px;\n      height: 40px;\n      padding: 0 12px;\n      max-width: 100%;\n      width: 100%;\n    }\n  \n    .recomendadorV2Button:after {\n      padding-left: 6px;\n    }\n  }\n  <\/style>\n        <div class=\"lazyblock-recomendador-v2-2jDGz wp-block-lazyblock-recomendador-v2\">\n        <a class=\"linkrecomendadorv2\" href=\"https:\/\/fdr.com.br\/2025\/08\/18\/mudancas-climaticas-e-o-ceu-por-que-os-eventos-astronomicos-despertam-tanto-interesse\/\">\n            <div class=\"recomendadorV2Area\">\n            <div class=\"recomendadorV2Area1\">\n                <div class=\"recomendadorV2Img\">\n                <img class=\"lazyloaded\" decoding=\"async\" src=\"https:\/\/fdr.com.br\/wp-content\/uploads\/2025\/08\/Terra.jpg\" data-src=\"https:\/\/fdr.com.br\/wp-content\/uploads\/2025\/08\/Terra.jpg\" alt=\"\">\n                <\/div>\n            <\/div>\n            <div class=\"recomendadorV2Area2\">\n                <div class=\"recomendadorV2Type\">\n                    <span>Ci\u00eancia e curiosidade<\/span>\n                <\/div>\n                <div class=\"recomendadorV2Title\">\n                <h2><span>Eventos astron\u00f4micos e mudan\u00e7as clim\u00e1ticas<\/span><\/h2>\n                <\/div>\n                <div class=\"recomendadorV2Desc\">\n                <span>Entenda por que fen\u00f4menos no c\u00e9u despertam tanto interesse em meio \u00e0s mudan\u00e7as clim\u00e1ticas.<\/span>\n                <\/div>\n                <div class=\"recomendadorV2Button\">Leia mais<\/div>\n                <div class=\"recomendadorV2Alert\"><\/div>\n            <\/div>\n            <\/div>\n        <\/a>\n        <div>\n            <div style=\"z-index:99999;\" id=\"buttonClose\" onclick=\"closeRecomendadorFixed()\">\n            <div class=\"recomendadorCloseFixed\">X<\/div>\n            <\/div>\n            <a href=\"https:\/\/fdr.com.br\/2025\/08\/18\/mudancas-climaticas-e-o-ceu-por-que-os-eventos-astronomicos-despertam-tanto-interesse\/\">\n            <div class=\"recomendadorFixedArea\">\n                <div id=\"recomendadorFixed\">\n                <div class=\"recomendadorLeftArea\">\n                    <div class=\"recomendadorImgFixed\">\n                    <img class=\"lazyload\" decoding=\"async\" src=\"https:\/\/fdr.com.br\/wp-content\/uploads\/2025\/08\/Terra.jpg\" alt=\"\">\n                    <\/div>\n                <\/div>\n                <div class=\"recomendadorRightArea\">\n                    <div class=\"recomendadorTitleFixed\">\n                    <h2><span>Eventos astron\u00f4micos e mudan\u00e7as clim\u00e1ticas<\/span><\/h2>\n                    <\/div>\n                    <div class=\"recomendadorButtonFixed\">Leia mais<\/div>\n                    <div class=\"recomendadorAlertFixed\"><\/div>\n                <\/div>\n                <\/div>\n            <\/div>\n            <\/a>\n        <\/div>\n        <\/div>\n<h2 data-start=\"2190\" data-end=\"2232\">Por que essa passagem \u00e9 t\u00e3o importante?<\/h2>\n<p data-start=\"2234\" data-end=\"2313\">A relev\u00e2ncia do 3I\/ATLAS vai al\u00e9m do espet\u00e1culo visual. Ele ajuda cientistas a:<\/p>\n<ul data-start=\"2314\" data-end=\"2476\">\n<li data-start=\"2314\" data-end=\"2366\">\n<p data-start=\"2316\" data-end=\"2366\">Estudar materiais formados fora do Sistema Solar<\/p>\n<\/li>\n<li data-start=\"2367\" data-end=\"2425\">\n<p data-start=\"2369\" data-end=\"2425\">Comparar composi\u00e7\u00f5es qu\u00edmicas entre sistemas estelares<\/p>\n<\/li>\n<li data-start=\"2426\" data-end=\"2476\">\n<p data-start=\"2428\" data-end=\"2476\">Entender melhor a forma\u00e7\u00e3o de planetas e cometas<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2478\" data-end=\"2576\">Al\u00e9m disso, eventos assim refor\u00e7am o quanto o espa\u00e7o \u00e9 din\u00e2mico e cheio de visitantes inesperados.<\/p>\n<p data-start=\"2592\" data-end=\"2856\">O \u00e1pice da passagem do <strong>3I\/ATLAS<\/strong> marca um <strong><a href=\"https:\/\/fdr.com.br\/2025\/08\/18\/mudancas-climaticas-e-o-ceu-por-que-os-eventos-astronomicos-despertam-tanto-interesse\/\">momento raro para a ci\u00eancia<\/a><\/strong>. Mesmo sem impacto direto na Terra, o cometa oferece pistas valiosas sobre o universo al\u00e9m do nosso quintal c\u00f3smico e refor\u00e7a como eventos espaciais continuam despertando fasc\u00ednio e investiga\u00e7\u00e3o.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>O cometa 3I\/ATLAS, identificado como um objeto interestelar, atinge nesta quinta-feira (19) o \u00e1pice da sua passagem pelo Sistema Solar em rela\u00e7\u00e3o \u00e0 Terra. O fen\u00f4meno chama aten\u00e7\u00e3o porque envolve um visitante vindo de fora do nosso sistema, algo extremamente raro na astronomia moderna. Apesar da curiosidade, especialistas refor\u00e7am que o evento n\u00e3o oferece qualquer [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":355905,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jnews-multi-image_gallery":[],"jnews_single_post":{"format":"standard","override":[{"template":"1","parallax":"1","fullscreen":"1","layout":"right-sidebar","sidebar":"default-sidebar","second_sidebar":"default-sidebar","share_position":"hide","share_float_style":"share-monocrhome","show_share_counter":"1","show_view_counter":"1","show_featured":"1","show_post_meta":"1","show_post_author":"1","show_post_date":"1","post_date_format":"default","post_date_format_custom":"Y\/m\/d","show_post_reading_time":"0","post_reading_time_wpm":"300","post_calculate_word_method":"str_word_count","show_zoom_button":"0","zoom_button_out_step":"2","zoom_button_in_step":"3","show_comment_section":"1","number_popup_post":"1","show_author_box":"1","show_post_related":"0","show_inline_post_related":"0"}],"image_override":[{"single_post_thumbnail_size":"crop-500","single_post_gallery_size":"crop-500"}],"trending_post_position":"meta","trending_post_label":"Trending","sponsored_post_label":"Sponsored by","disable_ad":"0","subtitle":""},"jnews_primary_category":[],"jnews_social_meta":[],"footnotes":""},"categories":[1],"tags":[],"class_list":["post-355903","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-geral"],"_links":{"self":[{"href":"https:\/\/fdr.com.br\/tendencias\/wp-json\/wp\/v2\/posts\/355903","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fdr.com.br\/tendencias\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fdr.com.br\/tendencias\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fdr.com.br\/tendencias\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/fdr.com.br\/tendencias\/wp-json\/wp\/v2\/comments?post=355903"}],"version-history":[{"count":4,"href":"https:\/\/fdr.com.br\/tendencias\/wp-json\/wp\/v2\/posts\/355903\/revisions"}],"predecessor-version":[{"id":355908,"href":"https:\/\/fdr.com.br\/tendencias\/wp-json\/wp\/v2\/posts\/355903\/revisions\/355908"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fdr.com.br\/tendencias\/wp-json\/wp\/v2\/media\/355905"}],"wp:attachment":[{"href":"https:\/\/fdr.com.br\/tendencias\/wp-json\/wp\/v2\/media?parent=355903"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fdr.com.br\/tendencias\/wp-json\/wp\/v2\/categories?post=355903"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fdr.com.br\/tendencias\/wp-json\/wp\/v2\/tags?post=355903"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}