{"id":5523,"date":"2014-06-13T19:19:57","date_gmt":"2014-06-13T16:19:57","guid":{"rendered":"https:\/\/uni-mag.gr\/ti-einai-mavri-trypa\/"},"modified":"2025-02-02T20:01:25","modified_gmt":"2025-02-02T18:01:25","slug":"what-is-a-black-hole","status":"publish","type":"post","link":"https:\/\/www.uni-mag.gr\/en\/what-is-a-black-hole\/","title":{"rendered":"What is? Black hole"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"alignleft is-resized\"><img decoding=\"async\" src=\"http:\/\/uni-mag.gr\/wp-content\/uploads\/2022\/09\/Spaghettification.png\" alt=\"\" class=\"wp-image-4723\" width=\"450\" srcset=\"https:\/\/www.uni-mag.gr\/wp-content\/uploads\/2022\/09\/Spaghettification.png 732w, https:\/\/www.uni-mag.gr\/wp-content\/uploads\/2022\/09\/Spaghettification-240x300.png 240w, https:\/\/www.uni-mag.gr\/wp-content\/uploads\/2022\/09\/Spaghettification-160x200.png 160w\" sizes=\"(max-width: 732px) 100vw, 732px\" \/><\/figure><\/div>\n<h3 class=\"wp-block-heading\">What is a Black Hole?<\/h3>\n\n<p class=\"wp-block-paragraph\">We must all have used the term &#8220;black hole&#8221; to emphasize a situation from which nothing can escape. But what exactly is a black hole? It is a region of the universe where gravity is so strong that nothing can escape from it. Neither particles nor radiation can break free.   <\/p>\n\n<h3 class=\"wp-block-heading\">Spaghettification<\/h3>\n\n<p class=\"wp-block-paragraph\">The tidal forces in the region of a black hole are so intense that they favor the phenomenon of spaghettification. According to Newton&#8217;s law of gravity, the part of an object closer to the center of gravity experiences a stronger pull than the part farther away. As a result, the object is stretched in one direction and compressed in the other.  <\/p>\n\n<p class=\"wp-block-paragraph\">This phenomenon is vividly illustrated in the diagram, which shows a person falling into a black hole and hypothetically being stretched into spaghetti.<\/p>\n","protected":false},"excerpt":{"rendered":"<p class=\"card-text\">We have all used the term &#8220;black hole&#8221; to describe a situation where nothing escapes&#8230; [&#8230;]<\/p>\n<p class=\"m-0\"><a class=\"btn btn-outline-secondary btn-read-more\" href=\"https:\/\/www.uni-mag.gr\/en\/what-is-a-black-hole\/\">Read More<\/a><\/p>\n","protected":false},"author":2,"featured_media":5360,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[140,139,393],"tags":[1216,2540,106,394],"class_list":["post-5523","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-issue-01-en","category-issues-en","category-what-is-en","tag-gravity-en","tag-newton-en","tag-spaghettification-en","tag---en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is? Black hole | UNI-MAG<\/title>\n<meta name=\"description\" content=\"What is a black hole, how does Newton&#039;s law of gravity apply there, and what is the phenomenon of &#039;spaghettification&#039;?\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.uni-mag.gr\/en\/what-is-a-black-hole\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is? Black hole | UNI-MAG\" \/>\n<meta property=\"og:description\" content=\"What is a black hole, how does Newton&#039;s law of gravity apply there, and what is the phenomenon of &#039;spaghettification&#039;?\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.uni-mag.gr\/en\/what-is-a-black-hole\/\" \/>\n<meta property=\"og:site_name\" content=\"UNI-MAG\" \/>\n<meta property=\"article:published_time\" content=\"2014-06-13T16:19:57+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-02-02T18:01:25+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.uni-mag.gr\/wp-content\/uploads\/2014\/06\/unimag-issue0-ti-einai-mauri-tripa-featured-3.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1320\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Christina Kazagli\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Christina Kazagli\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.uni-mag.gr\\\/en\\\/what-is-a-black-hole\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.uni-mag.gr\\\/en\\\/what-is-a-black-hole\\\/\"},\"author\":{\"name\":\"Christina Kazagli\",\"@id\":\"https:\\\/\\\/www.uni-mag.gr\\\/en\\\/#\\\/schema\\\/person\\\/19798a39b7f5d83dc2f04c81b15e1ef4\"},\"headline\":\"What is? Black hole\",\"datePublished\":\"2014-06-13T16:19:57+00:00\",\"dateModified\":\"2025-02-02T18:01:25+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.uni-mag.gr\\\/en\\\/what-is-a-black-hole\\\/\"},\"wordCount\":145,\"publisher\":{\"@id\":\"https:\\\/\\\/www.uni-mag.gr\\\/en\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.uni-mag.gr\\\/en\\\/what-is-a-black-hole\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.uni-mag.gr\\\/wp-content\\\/uploads\\\/2014\\\/06\\\/unimag-issue0-ti-einai-mauri-tripa-featured-3.jpg\",\"keywords\":[\"Gravity\",\"Newton\",\"Spaghettification\",\"\u039c\u03b1\u03cd\u03c1\u03b7 \u03a4\u03c1\u03cd\u03c0\u03b1\"],\"articleSection\":[\"ISSUE 01\",\"ISSUES\",\"WHAT IS?\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.uni-mag.gr\\\/en\\\/what-is-a-black-hole\\\/\",\"url\":\"https:\\\/\\\/www.uni-mag.gr\\\/en\\\/what-is-a-black-hole\\\/\",\"name\":\"What is? Black hole | UNI-MAG\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.uni-mag.gr\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.uni-mag.gr\\\/en\\\/what-is-a-black-hole\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.uni-mag.gr\\\/en\\\/what-is-a-black-hole\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.uni-mag.gr\\\/wp-content\\\/uploads\\\/2014\\\/06\\\/unimag-issue0-ti-einai-mauri-tripa-featured-3.jpg\",\"datePublished\":\"2014-06-13T16:19:57+00:00\",\"dateModified\":\"2025-02-02T18:01:25+00:00\",\"description\":\"What is a black hole, how does Newton's law of gravity apply there, and what is the phenomenon of 'spaghettification'?\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.uni-mag.gr\\\/en\\\/what-is-a-black-hole\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.uni-mag.gr\\\/en\\\/what-is-a-black-hole\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.uni-mag.gr\\\/en\\\/what-is-a-black-hole\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.uni-mag.gr\\\/wp-content\\\/uploads\\\/2014\\\/06\\\/unimag-issue0-ti-einai-mauri-tripa-featured-3.jpg\",\"contentUrl\":\"https:\\\/\\\/www.uni-mag.gr\\\/wp-content\\\/uploads\\\/2014\\\/06\\\/unimag-issue0-ti-einai-mauri-tripa-featured-3.jpg\",\"width\":1920,\"height\":1320},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.uni-mag.gr\\\/en\\\/what-is-a-black-hole\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u0391\u03c1\u03c7\u03b9\u03ba\u03ae\",\"item\":\"https:\\\/\\\/www.uni-mag.gr\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"What is? Black hole\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.uni-mag.gr\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/www.uni-mag.gr\\\/en\\\/\",\"name\":\"UNI-MAG\",\"description\":\"the magazine of the universe\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.uni-mag.gr\\\/en\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.uni-mag.gr\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.uni-mag.gr\\\/en\\\/#organization\",\"name\":\"UNI-MAG\",\"url\":\"https:\\\/\\\/www.uni-mag.gr\\\/en\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.uni-mag.gr\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"UNI-MAG\"},\"image\":{\"@id\":\"https:\\\/\\\/www.uni-mag.gr\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.uni-mag.gr\\\/en\\\/#\\\/schema\\\/person\\\/19798a39b7f5d83dc2f04c81b15e1ef4\",\"name\":\"Christina Kazagli\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/1e1e8a71ae054f59642e6debec0f00a6475fc3174567e1f68f66cddf60f3ed41?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/1e1e8a71ae054f59642e6debec0f00a6475fc3174567e1f68f66cddf60f3ed41?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/1e1e8a71ae054f59642e6debec0f00a6475fc3174567e1f68f66cddf60f3ed41?s=96&d=mm&r=g\",\"caption\":\"Christina Kazagli\"},\"description\":\"I am a creative designer and animator. Hard working, diligent, persistent, I am always working to my full potential. Enthusiastic about animation, design strategy and research. I have a natural curiosity and fixation for possibilities of creativity. My goal is to evolve and learn along the way as many things as possible regarding new techniques, tools and ways of taking my skills to the maximum!\",\"url\":\"https:\\\/\\\/www.uni-mag.gr\\\/en\\\/author\\\/christinak\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"What is? Black hole | UNI-MAG","description":"What is a black hole, how does Newton's law of gravity apply there, and what is the phenomenon of 'spaghettification'?","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.uni-mag.gr\/en\/what-is-a-black-hole\/","og_locale":"en_US","og_type":"article","og_title":"What is? Black hole | UNI-MAG","og_description":"What is a black hole, how does Newton's law of gravity apply there, and what is the phenomenon of 'spaghettification'?","og_url":"https:\/\/www.uni-mag.gr\/en\/what-is-a-black-hole\/","og_site_name":"UNI-MAG","article_published_time":"2014-06-13T16:19:57+00:00","article_modified_time":"2025-02-02T18:01:25+00:00","og_image":[{"width":1920,"height":1320,"url":"https:\/\/www.uni-mag.gr\/wp-content\/uploads\/2014\/06\/unimag-issue0-ti-einai-mauri-tripa-featured-3.jpg","type":"image\/jpeg"}],"author":"Christina Kazagli","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Christina Kazagli","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.uni-mag.gr\/en\/what-is-a-black-hole\/#article","isPartOf":{"@id":"https:\/\/www.uni-mag.gr\/en\/what-is-a-black-hole\/"},"author":{"name":"Christina Kazagli","@id":"https:\/\/www.uni-mag.gr\/en\/#\/schema\/person\/19798a39b7f5d83dc2f04c81b15e1ef4"},"headline":"What is? Black hole","datePublished":"2014-06-13T16:19:57+00:00","dateModified":"2025-02-02T18:01:25+00:00","mainEntityOfPage":{"@id":"https:\/\/www.uni-mag.gr\/en\/what-is-a-black-hole\/"},"wordCount":145,"publisher":{"@id":"https:\/\/www.uni-mag.gr\/en\/#organization"},"image":{"@id":"https:\/\/www.uni-mag.gr\/en\/what-is-a-black-hole\/#primaryimage"},"thumbnailUrl":"https:\/\/www.uni-mag.gr\/wp-content\/uploads\/2014\/06\/unimag-issue0-ti-einai-mauri-tripa-featured-3.jpg","keywords":["Gravity","Newton","Spaghettification","\u039c\u03b1\u03cd\u03c1\u03b7 \u03a4\u03c1\u03cd\u03c0\u03b1"],"articleSection":["ISSUE 01","ISSUES","WHAT IS?"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.uni-mag.gr\/en\/what-is-a-black-hole\/","url":"https:\/\/www.uni-mag.gr\/en\/what-is-a-black-hole\/","name":"What is? Black hole | UNI-MAG","isPartOf":{"@id":"https:\/\/www.uni-mag.gr\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.uni-mag.gr\/en\/what-is-a-black-hole\/#primaryimage"},"image":{"@id":"https:\/\/www.uni-mag.gr\/en\/what-is-a-black-hole\/#primaryimage"},"thumbnailUrl":"https:\/\/www.uni-mag.gr\/wp-content\/uploads\/2014\/06\/unimag-issue0-ti-einai-mauri-tripa-featured-3.jpg","datePublished":"2014-06-13T16:19:57+00:00","dateModified":"2025-02-02T18:01:25+00:00","description":"What is a black hole, how does Newton's law of gravity apply there, and what is the phenomenon of 'spaghettification'?","breadcrumb":{"@id":"https:\/\/www.uni-mag.gr\/en\/what-is-a-black-hole\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.uni-mag.gr\/en\/what-is-a-black-hole\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.uni-mag.gr\/en\/what-is-a-black-hole\/#primaryimage","url":"https:\/\/www.uni-mag.gr\/wp-content\/uploads\/2014\/06\/unimag-issue0-ti-einai-mauri-tripa-featured-3.jpg","contentUrl":"https:\/\/www.uni-mag.gr\/wp-content\/uploads\/2014\/06\/unimag-issue0-ti-einai-mauri-tripa-featured-3.jpg","width":1920,"height":1320},{"@type":"BreadcrumbList","@id":"https:\/\/www.uni-mag.gr\/en\/what-is-a-black-hole\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u0391\u03c1\u03c7\u03b9\u03ba\u03ae","item":"https:\/\/www.uni-mag.gr\/en\/"},{"@type":"ListItem","position":2,"name":"What is? Black hole"}]},{"@type":"WebSite","@id":"https:\/\/www.uni-mag.gr\/en\/#website","url":"https:\/\/www.uni-mag.gr\/en\/","name":"UNI-MAG","description":"the magazine of the universe","publisher":{"@id":"https:\/\/www.uni-mag.gr\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.uni-mag.gr\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.uni-mag.gr\/en\/#organization","name":"UNI-MAG","url":"https:\/\/www.uni-mag.gr\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.uni-mag.gr\/en\/#\/schema\/logo\/image\/","url":"","contentUrl":"","caption":"UNI-MAG"},"image":{"@id":"https:\/\/www.uni-mag.gr\/en\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.uni-mag.gr\/en\/#\/schema\/person\/19798a39b7f5d83dc2f04c81b15e1ef4","name":"Christina Kazagli","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/1e1e8a71ae054f59642e6debec0f00a6475fc3174567e1f68f66cddf60f3ed41?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/1e1e8a71ae054f59642e6debec0f00a6475fc3174567e1f68f66cddf60f3ed41?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/1e1e8a71ae054f59642e6debec0f00a6475fc3174567e1f68f66cddf60f3ed41?s=96&d=mm&r=g","caption":"Christina Kazagli"},"description":"I am a creative designer and animator. Hard working, diligent, persistent, I am always working to my full potential. Enthusiastic about animation, design strategy and research. I have a natural curiosity and fixation for possibilities of creativity. My goal is to evolve and learn along the way as many things as possible regarding new techniques, tools and ways of taking my skills to the maximum!","url":"https:\/\/www.uni-mag.gr\/en\/author\/christinak\/"}]}},"_links":{"self":[{"href":"https:\/\/www.uni-mag.gr\/en\/wp-json\/wp\/v2\/posts\/5523","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.uni-mag.gr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.uni-mag.gr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.uni-mag.gr\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.uni-mag.gr\/en\/wp-json\/wp\/v2\/comments?post=5523"}],"version-history":[{"count":0,"href":"https:\/\/www.uni-mag.gr\/en\/wp-json\/wp\/v2\/posts\/5523\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.uni-mag.gr\/en\/wp-json\/wp\/v2\/media\/5360"}],"wp:attachment":[{"href":"https:\/\/www.uni-mag.gr\/en\/wp-json\/wp\/v2\/media?parent=5523"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.uni-mag.gr\/en\/wp-json\/wp\/v2\/categories?post=5523"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.uni-mag.gr\/en\/wp-json\/wp\/v2\/tags?post=5523"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}