{"id":90533,"date":"2024-05-22T14:17:13","date_gmt":"2024-05-22T07:17:13","guid":{"rendered":"https:\/\/www.its.ac.id\/news\/?p=90533"},"modified":"2025-03-07T22:09:43","modified_gmt":"2025-03-07T15:09:43","slug":"menilik-fakta-di-balik-perlambatan-rotasi-bumi","status":"publish","type":"post","link":"https:\/\/www.its.ac.id\/news\/menilik-fakta-di-balik-perlambatan-rotasi-bumi\/","title":{"rendered":"Menilik Fakta di Balik Perlambatan Rotasi Bumi"},"content":{"rendered":"<figure id=\"attachment_90534\" aria-describedby=\"caption-attachment-90534\" style=\"width: 1351px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\" wp-image-90534\" src=\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2024\/05\/rotasi-bumi-ilus.jpg\" alt=\"Ilustrasi peristiwa rotasi bumi\" width=\"1351\" height=\"901\" srcset=\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2024\/05\/rotasi-bumi-ilus.jpg 564w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2024\/05\/rotasi-bumi-ilus-300x200.jpg 300w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2024\/05\/rotasi-bumi-ilus-355x237.jpg 355w\" sizes=\"(max-width: 1351px) 100vw, 1351px\" \/><figcaption id=\"caption-attachment-90534\" class=\"wp-caption-text\">Ilustrasi peristiwa rotasi bumi<\/figcaption><\/figure>\n<blockquote><p><b>Kampus ITS, ITS News \u2014 <\/b><span style=\"font-weight: 400\">Kehidupan manusia yang lekat dengan waktu tak lepas dari akibat peristiwa perputaran bumi pada porosnya atau biasa dikenal dengan rotasi bumi. Lama dari gerak ini membuat manusia mengalami siang dan malam dalam kurun waktu 24 jam. Namun, benarkah rotasi bumi selalu berjalan selama 24 jam?<\/span><\/p><\/blockquote>\n<p><span style=\"font-weight: 400\">Dosen Departemen Fisika<\/span><a href=\"http:\/\/its.ac.id\"> <span style=\"font-weight: 400\">Institut Teknologi Sepuluh Nopember (ITS)<\/span><\/a><span style=\"font-weight: 400\">, Dr rer nat Bintoro Anang Subagyo mengatakan, lama waktu rotasi bumi sesungguhnya tidak dapat diprediksi dengan jelas. Menurutnya, cara paling sederhana yang dilakukan manusia saat ini adalah dengan mengandalkan perhitungan waktu dari terbit hingga terbenamnya matahari. \u201cSatu periode ini sebenarnya memiliki waktu yang berbeda tetapi dibulatkan menjadi 24 jam,\u201d tuturnya.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Dilansir dari laman<\/span><a href=\"http:\/\/timeanddate.com\"><span style=\"font-weight: 400\">timeanddate.com<\/span><\/a><span style=\"font-weight: 400\">, waktu rotasi bumi dari 2019 hingga 2025 diprediksi akan terus melambat hingga 0,25 milidetik. Meski demikian, menurut Bintoro, fenomena ini bukanlah kejadian yang baru. Dalam pergerakan bumi mengitari matahari, fluktuasi menjadi hal yang sangat mungkin terjadi. Fluktuasi tersebut membuat lama pergerakan dapat menjadi lebih lambat ataupun lebih cepat dari biasanya. &#8220;Hal ini sudah berlangsung sejak ribuan tahun lalu,&#8221; ujar Bintoro.<\/span><\/p>\n<figure id=\"attachment_90564\" aria-describedby=\"caption-attachment-90564\" style=\"width: 1349px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"wp-image-90564 \" src=\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2024\/05\/ilustrasi-pasang-surut-laut-e1716362124367.png\" alt=\"Ilustrasi pasang surut air laut\" width=\"1349\" height=\"1069\" srcset=\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2024\/05\/ilustrasi-pasang-surut-laut-e1716362124367.png 978w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2024\/05\/ilustrasi-pasang-surut-laut-e1716362124367-300x238.png 300w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2024\/05\/ilustrasi-pasang-surut-laut-e1716362124367-768x609.png 768w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2024\/05\/ilustrasi-pasang-surut-laut-e1716362124367-355x281.png 355w\" sizes=\"(max-width: 1349px) 100vw, 1349px\" \/><figcaption id=\"caption-attachment-90564\" class=\"wp-caption-text\">Ilustrasi pasang surut air laut yang menjadi salah satu dampak dari fluktuasi durasi rotasi bumi (sumber: vaelenza.blogspot.com)<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400\">Dalam penjelasannya, lulusan program Doktoral Karlsruhe Institute of Technology (KIT) Jerman tersebut mengungkap, sistem tata surya sebagai sistem besar sesungguhnya melibatkan faktor gravitasional yang kompleks. Hal ini melibatkan bulan, matahari, bumi, hingga planet lain yang tidak dapat diabaikan pengaruhnya. Selain itu, permukaan laut yang mendominasi bumi dan terus mengalami pasang surut juga memengaruhi perubahan lama rotasi bumi.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Meskipun dampak fenomena ini tidak terlalu signifikan, fluktuasi rotasi bumi dapat menyebabkan beberapa perubahan. Salah satunya adalah perlambatan waktu dalam sehari. Selain itu, perlambatan rotasi bumi dapat mengubah arah angin dan menyebabkan perbedaan ketebalan atmosfer.<\/span><\/p>\n<figure id=\"attachment_90536\" aria-describedby=\"caption-attachment-90536\" style=\"width: 1349px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\" wp-image-90536\" src=\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2024\/05\/Bintaro-Anang-Subagio.jpg\" alt=\"Pakar Fisika ITS, Dr rer nat Bintoro Anang Subagyo\" width=\"1349\" height=\"771\" srcset=\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2024\/05\/Bintaro-Anang-Subagio.jpg 700w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2024\/05\/Bintaro-Anang-Subagio-300x171.jpg 300w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2024\/05\/Bintaro-Anang-Subagio-355x203.jpg 355w\" sizes=\"(max-width: 1349px) 100vw, 1349px\" \/><figcaption id=\"caption-attachment-90536\" class=\"wp-caption-text\">Pakar Fisika ITS, Dr rer nat Bintoro Anang Subagyo<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400\">Di lain sisi, banyak manusia yang menganggap waktu di bumi berjalan lebih cepat dari biasanya. Menurut Bintoro, hal ini tidak termasuk pada akibat dari rotasi bumi. Persoalan ini lebih mengarah pada persoalan psikologis manusia itu sendiri. \u201cTidak tepat rasanya jika menyangkutpautkan persepsi pribadi terhadap waktu dengan persoalan ilmiah yang memerlukan kajian yang lebih komprehensif,\u201d ujarnya.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">Menutup narasinya, Bintoro berpesan bahwa semua kejadian di bumi dan alam semesta seharusnya dicari tahu alasan saintifiknya. Banyaknya berita hoaks yang beredar dapat terjadi karena manusia terlalu malas untuk mencari tahu lebih dalam dan mudah termakan oleh isu sains semu. \u201cAkan lebih bijak apabila sebagai kaum terpelajar, kita semua mau menggali informasi lebih dalam dari berbagai sumber, termasuk tentang alam semesta dan bumi tempat kita tinggal,\u201d pungkasnya. <\/span><b>(*)<\/b><\/p>\n<p>&nbsp;<\/p>\n<p><b>Reporter: Shafa Annisa Ramadhani<\/b><b><br \/>\n<\/b><b>Redaktur: Fathia Rahmanisa<\/b><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kampus ITS, ITS News \u2014 Kehidupan manusia yang lekat dengan waktu tak lepas dari akibat peristiwa perputaran bumi pada porosnya atau biasa dikenal dengan rotasi bumi. Lama dari gerak ini membuat manusia mengalami siang dan malam dalam kurun waktu 24 jam. Namun, benarkah rotasi bumi selalu berjalan selama 24 jam? Dosen Departemen Fisika Institut Teknologi [&hellip;]<\/p>\n","protected":false},"author":397,"featured_media":90534,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_joinchat":[],"footnotes":""},"categories":[14,3705,2824],"tags":[1951,1482],"class_list":["post-90533","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-berita-utama","category-climate-action","category-feature","tag-ann","tag-fia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Menilik Fakta di Balik Perlambatan Rotasi Bumi - ITS News<\/title>\n<meta name=\"description\" content=\"Gerak rotasi bumi membuat manusia mengalami siang dan malam dalam waktu 24 jam. 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