{"id":100199,"date":"2025-10-01T23:53:26","date_gmt":"2025-10-01T20:53:26","guid":{"rendered":"https:\/\/www.lovendal.ro\/wp52\/?p=100199"},"modified":"2025-10-01T23:53:26","modified_gmt":"2025-10-01T20:53:26","slug":"de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui","status":"publish","type":"post","link":"https:\/\/www.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/","title":{"rendered":"De ce cerul e albastru? De ce el devine ro\u015fu la apusul \u015fi r\u0103s\u0103ritul Soarelui?"},"content":{"rendered":"<p><a href=\"https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2025\/10\/cer-albastru-cer-rosu-2.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-100201\" src=\"https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2025\/10\/cer-albastru-cer-rosu-2.jpg\" alt=\"\" width=\"360\" height=\"205\" srcset=\"https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2025\/10\/cer-albastru-cer-rosu-2.jpg 360w, https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2025\/10\/cer-albastru-cer-rosu-2-300x171.jpg 300w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><\/a>Cerul ne \u00eenc\u00e2nt\u0103 deseori cu culoarea lui albastr\u0103. Dar de ce este cerul albastru? Poate s\u0103 par\u0103 destul de banal\u0103 aceast\u0103 \u00eentrebare. \u015ei totu\u015fi, ceea ce noi numim &#8222;cer&#8221; este format, p\u00e2n\u0103 la o \u00een\u0103l\u0163ime de c\u00e2teva sute de kilometri, din aer &#8211; cu at\u00e2t mai rarefiat, cu c\u00e2t ne ridic\u0103m mai sus. Or, aerul este un amestec de gaze transparente, incolore. Atunci, pentru ce este cerul albastru? Datorit\u0103 atmosferei: dac\u0103 nu ar exista atmosfera, cerul ar ar\u0103ta&#8230; \u015fti\u0163i cum? Negru. Complet negru!<\/p>\n<p>Explica\u0163ia necesit\u0103 cunoa\u015fterea unor date elementare din optic\u0103. Este vorba de faptul c\u0103 nimeni nu poate s\u0103 vad\u0103 o raz\u0103 luminoas\u0103, dac\u0103 o prive\u015fte din profil. S\u0103 presupunem c\u0103 am face urm\u0103toarea experien\u0163\u0103: lu\u0103m un tub de sticl\u0103, complet gol, care s\u0103 nu con\u0163in\u0103 nici o f\u0103r\u00eemitur\u0103 de praf sau de alte particule \u00een suspensie. S\u0103 facem acum \u00een a\u015fa fel \u00eenc\u00eet acest tub s\u0103 fie str\u0103b\u0103tut de o raz\u0103 de lumin\u0103 dintr-o parte \u00eentr-alta, f\u0103r\u0103 \u00eens\u0103 ca lumina s\u0103 ating\u0103 pere\u0163ii tubului. Dac\u0103 vom privi perpendicular pe tub \u00eel vom vedea complet \u00eentunecat. Aceasta, chiar dac\u0103 raza ar proveni de la un reflector extrem de puternic, ca de exemplu acela al unui far!<\/p>\n<p>\u015ei acum, s\u0103 sufl\u0103m \u00een tubul nostru de sticl\u0103 pu\u0163in fum de \u0163igar\u0103. Fascicolul de lumin\u0103 apare de \u00eendat\u0103 foarte vizibil. Lumina este ab\u0103tut\u0103, reflectat\u0103 pe suprafa\u0163a particulelor foarte mici care formeaz\u0103 fumul. \u015ei astfel &#8222;difuzat\u0103&#8221;, cum se spune. Aceasta se datore\u015fte faptului c\u0103 o parte din razele reflectate, ab\u0103tute, sunt \u00eendreptate c\u0103tre ochiul nostru.<\/p>\n<p>\u015ei acum, putem s\u0103 r\u0103spundem la \u00eentrebarea: de ce este cerul albastru? Mai \u00eent\u00e2i, ne d\u0103m \u00eendat\u0103 seama de ce e lumin\u0103 ziua pe P\u0103m\u00e2nt, pentru c\u0103 lumina ce vine de la Soare este ab\u0103tut\u0103 \u00een toate p\u0103r\u0163ile \u015fi difuzat\u0103, r\u0103sp\u00e2ndindu-se \u00een spa\u0163iu. Pe Lun\u0103, unde nu este atmosfer\u0103, cerul pare negru.<\/p>\n<p>Dar, de ce cerul nostru nu este alb, ci albastru? Dac\u0103 \u00een calea razelor luminoase a\u015fez\u0103m un mic disc opac, a c\u0103rui umbr\u0103 se proiecteaz\u0103 pe un ecran, umbra sa va prezenta dungi de difrac\u0163ie, concentrice, una \u00eentunecoas\u0103, una luminoas\u0103, iar \u00een centru se va afla o pat\u0103 luminoas\u0103. S\u0103 presupunem acum c\u0103, \u00een locul acestui disc, s-ar afla ni\u015fte bile extrem de mici, dar \u00een acela\u015fi timp \u015fi foarte numeroase. Undele luminoase ce str\u0103bat printre aceste bile trec mai greu. Undele mai lungi trec mai u\u015for, dar cele mai scurte nu pot str\u0103bate at\u00e2t de u\u015for \u015fi sunt \u00eempr\u0103\u015ftiate \u00een toate direc\u0163iile. Aceste bile nu sunt altele dec\u00e2t moleculele de aer. Ele sunt destul de mari pentru ca s\u0103 abat\u0103 lumina, dac\u0103 lungimea ei de und\u0103 este destul de mic\u0103.<\/p>\n<p>Se \u015ftie c\u0103 lumina alb\u0103 a Soarelui este de fapt alc\u0103tuit\u0103 dintr-un amestec de radia\u0163ii de diferite lungimi de und\u0103. Dac\u0103 ea este desf\u0103cut\u0103 \u00een radia\u0163iile componente, cu ajutorul unei prisme, \u015fi ochiul nu prime\u015fte \u00eentreg amestecul de radia\u0163ii, ci doar radia\u0163ii selec\u0163ionate dup\u0103 lungimea lor de und\u0103, el va vedea diferite culori. Lumina alb\u0103 e format\u0103 din amestecul radia\u0163iilor ce reprezint\u0103 diferite culori. Cea mai scurt\u0103 lungime de und\u0103 o au radia\u0163iile ce dau culorile violet\u0103 \u015fi albastr\u0103, iar cea mai lung\u0103, radia\u0163iile ce dau ochiului senza\u0163ia corespunz\u00e2nd culorii ro\u015fii. Lumina albastr\u0103, care e format\u0103 din radia\u0163ii cu lungime de und\u0103 scurt\u0103, este dispersat\u0103 uniform \u00een aer, \u00een m\u0103sur\u0103 mai mare. Razele ro\u015fii sunt difuzate \u00een m\u0103sur\u0103 mult mai mic\u0103.<\/p>\n<p>Cu c\u00e2t ne urc\u0103m mai sus pe munte, aerul este mai lipsit de praf. Lumina este difuzat\u0103 numai de moleculele de aer \u015fi nu \u015fi de particulele de praf, de aceea este mai albastr\u0103. C\u00e2nd vremea este ur\u00e2t\u0103, c\u00e2nd \u00een atmosfer\u0103 se g\u0103sesc numeroase pic\u0103turi de ap\u0103 \u015fi vapori, deci particule mari, este difuzat\u0103 \u015fi lumina cu lungime de und\u0103 mai mare. A\u015fa se explic\u0103 cerul cenu\u015fiu.<\/p>\n<p>C\u00e2nd apune Soarele, cerul nu mai este albastru, ci colorat. C\u00e2nd Soarele este la orizont, razele sale au de str\u0103b\u0103tut un strat din atmosfera p\u0103m\u00eenteasc\u0103 mult mai gros dec\u00e2t la amiaz\u0103. De aceea, din amestecul de radia\u0163ii ce formeaz\u0103 lumina alb\u0103, se pierd cele mai multe radia\u0163ii cu lungime de und\u0103 scurt\u0103. Lumina albastr\u0103 se pierde, pur \u015fi simplu pe drum. Nu ajung la noi dec\u00e2t razele cu lungime mai mare de und\u0103 &#8211; cele ro\u015fii. Iat\u0103 explica\u0163ia culorilor cerului.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cerul ne \u00eenc\u00e2nt\u0103 deseori cu culoarea lui albastr\u0103. Dar de ce este cerul albastru? Poate s\u0103 par\u0103 destul de banal\u0103 aceast\u0103 \u00eentrebare. \u015ei totu\u015fi, ceea ce noi numim &#8222;cer&#8221; este format, p\u00e2n\u0103 la o \u00een\u0103l\u0163ime de c\u00e2teva sute de kilometri, &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"De ce cerul e albastru? De ce el devine ro\u015fu la apusul \u015fi r\u0103s\u0103ritul Soarelui?\" class=\"read-more button\" href=\"https:\/\/www.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/#more-100199\" aria-label=\"Cite\u0219te mai multe despre De ce cerul e albastru? De ce el devine ro\u015fu la apusul \u015fi r\u0103s\u0103ritul Soarelui?\">Cititi mai multe<\/a><\/p>\n","protected":false},"author":1,"featured_media":100201,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11042],"tags":[950,2502,2466,2924,11043,149,3595,6987,3204,1231,865],"class_list":["post-100199","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fizica-chimie","tag-albastru","tag-atmosfera","tag-cer","tag-culoare","tag-fizica-chimie","tag-luna","tag-molecule","tag-praf","tag-radiatii","tag-rosu","tag-soare","resize-featured-image"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.3 (Yoast SEO v24.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>De ce cerul e albastru? De ce el devine ro\u015fu la apusul \u015fi r\u0103s\u0103ritul Soarelui? - Secretele lui Lovendal<\/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:\/\/www.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"De ce cerul e albastru? De ce el devine ro\u015fu la apusul \u015fi r\u0103s\u0103ritul Soarelui?\" \/>\n<meta property=\"og:description\" content=\"Cerul ne \u00eenc\u00e2nt\u0103 deseori cu culoarea lui albastr\u0103. Dar de ce este cerul albastru? Poate s\u0103 par\u0103 destul de banal\u0103 aceast\u0103 \u00eentrebare. \u015ei totu\u015fi, ceea ce noi numim &#8222;cer&#8221; este format, p\u00e2n\u0103 la o \u00een\u0103l\u0163ime de c\u00e2teva sute de kilometri, ... Cititi mai multe\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/\" \/>\n<meta property=\"og:site_name\" content=\"Secretele lui Lovendal\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/secreteleluilovendal\" \/>\n<meta property=\"article:published_time\" content=\"2025-10-01T20:53:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2025\/10\/cer-albastru-cer-rosu-2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"360\" \/>\n\t<meta property=\"og:image:height\" content=\"205\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Scris de\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Timp estimat pentru citire\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\/\/www.lovendal.ro\/wp52\/#\/schema\/person\/088691de5dfc346bb0c023e1e52ef5d9\"},\"headline\":\"De ce cerul e albastru? De ce el devine ro\u015fu la apusul \u015fi r\u0103s\u0103ritul Soarelui?\",\"datePublished\":\"2025-10-01T20:53:26+00:00\",\"dateModified\":\"2025-10-01T20:53:26+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/\"},\"wordCount\":817,\"publisher\":{\"@id\":\"https:\/\/www.lovendal.ro\/wp52\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2025\/10\/cer-albastru-cer-rosu-2.jpg\",\"keywords\":[\"albastru\",\"atmosfer\u0103\",\"cer\",\"culoare\",\"Fizic\u0103 - Chimie\",\"Lun\u0103\",\"molecule\",\"praf\",\"radiatii\",\"ro\u015fu\",\"Soare\"],\"articleSection\":[\"Fizic\u0103 - Chimie\"],\"inLanguage\":\"ro-RO\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/\",\"url\":\"https:\/\/www.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/\",\"name\":\"De ce cerul e albastru? De ce el devine ro\u015fu la apusul \u015fi r\u0103s\u0103ritul Soarelui? - Secretele lui Lovendal\",\"isPartOf\":{\"@id\":\"https:\/\/www.lovendal.ro\/wp52\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2025\/10\/cer-albastru-cer-rosu-2.jpg\",\"datePublished\":\"2025-10-01T20:53:26+00:00\",\"dateModified\":\"2025-10-01T20:53:26+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/#breadcrumb\"},\"inLanguage\":\"ro-RO\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ro-RO\",\"@id\":\"https:\/\/www.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/#primaryimage\",\"url\":\"https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2025\/10\/cer-albastru-cer-rosu-2.jpg\",\"contentUrl\":\"https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2025\/10\/cer-albastru-cer-rosu-2.jpg\",\"width\":360,\"height\":205},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.lovendal.ro\/wp52\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"De ce cerul e albastru? De ce el devine ro\u015fu la apusul \u015fi r\u0103s\u0103ritul Soarelui?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.lovendal.ro\/wp52\/#website\",\"url\":\"https:\/\/www.lovendal.ro\/wp52\/\",\"name\":\"Secretele lui Lovendal\",\"description\":\"Site de secrete, stiinta si metafizica - din 2008 -\",\"publisher\":{\"@id\":\"https:\/\/www.lovendal.ro\/wp52\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.lovendal.ro\/wp52\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ro-RO\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.lovendal.ro\/wp52\/#organization\",\"name\":\"Secretele lui Lovendal\",\"url\":\"https:\/\/www.lovendal.ro\/wp52\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ro-RO\",\"@id\":\"https:\/\/www.lovendal.ro\/wp52\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2024\/06\/cropped-SLL-iun-2024-1.jpg\",\"contentUrl\":\"https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2024\/06\/cropped-SLL-iun-2024-1.jpg\",\"width\":771,\"height\":240,\"caption\":\"Secretele lui Lovendal\"},\"image\":{\"@id\":\"https:\/\/www.lovendal.ro\/wp52\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/secreteleluilovendal\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.lovendal.ro\/wp52\/#\/schema\/person\/088691de5dfc346bb0c023e1e52ef5d9\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ro-RO\",\"@id\":\"https:\/\/www.lovendal.ro\/wp52\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/ecb9cd41f5f63c9c9b989999a59f6e2639a865ec361e9db054db0679a8f341c2?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/ecb9cd41f5f63c9c9b989999a59f6e2639a865ec361e9db054db0679a8f341c2?s=96&d=mm&r=g\",\"caption\":\"admin\"},\"sameAs\":[\"https:\/\/www.lovendal.ro\/wp52\"]}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"De ce cerul e albastru? De ce el devine ro\u015fu la apusul \u015fi r\u0103s\u0103ritul Soarelui? - Secretele lui Lovendal","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.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/","og_locale":"ro_RO","og_type":"article","og_title":"De ce cerul e albastru? De ce el devine ro\u015fu la apusul \u015fi r\u0103s\u0103ritul Soarelui?","og_description":"Cerul ne \u00eenc\u00e2nt\u0103 deseori cu culoarea lui albastr\u0103. Dar de ce este cerul albastru? Poate s\u0103 par\u0103 destul de banal\u0103 aceast\u0103 \u00eentrebare. \u015ei totu\u015fi, ceea ce noi numim &#8222;cer&#8221; este format, p\u00e2n\u0103 la o \u00een\u0103l\u0163ime de c\u00e2teva sute de kilometri, ... Cititi mai multe","og_url":"https:\/\/www.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/","og_site_name":"Secretele lui Lovendal","article_publisher":"https:\/\/www.facebook.com\/secreteleluilovendal","article_published_time":"2025-10-01T20:53:26+00:00","og_image":[{"width":360,"height":205,"url":"https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2025\/10\/cer-albastru-cer-rosu-2.jpg","type":"image\/jpeg"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"Scris de":"admin","Timp estimat pentru citire":"5 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/#article","isPartOf":{"@id":"https:\/\/www.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/"},"author":{"name":"admin","@id":"https:\/\/www.lovendal.ro\/wp52\/#\/schema\/person\/088691de5dfc346bb0c023e1e52ef5d9"},"headline":"De ce cerul e albastru? De ce el devine ro\u015fu la apusul \u015fi r\u0103s\u0103ritul Soarelui?","datePublished":"2025-10-01T20:53:26+00:00","dateModified":"2025-10-01T20:53:26+00:00","mainEntityOfPage":{"@id":"https:\/\/www.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/"},"wordCount":817,"publisher":{"@id":"https:\/\/www.lovendal.ro\/wp52\/#organization"},"image":{"@id":"https:\/\/www.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/#primaryimage"},"thumbnailUrl":"https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2025\/10\/cer-albastru-cer-rosu-2.jpg","keywords":["albastru","atmosfer\u0103","cer","culoare","Fizic\u0103 - Chimie","Lun\u0103","molecule","praf","radiatii","ro\u015fu","Soare"],"articleSection":["Fizic\u0103 - Chimie"],"inLanguage":"ro-RO"},{"@type":"WebPage","@id":"https:\/\/www.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/","url":"https:\/\/www.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/","name":"De ce cerul e albastru? De ce el devine ro\u015fu la apusul \u015fi r\u0103s\u0103ritul Soarelui? - Secretele lui Lovendal","isPartOf":{"@id":"https:\/\/www.lovendal.ro\/wp52\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/#primaryimage"},"image":{"@id":"https:\/\/www.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/#primaryimage"},"thumbnailUrl":"https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2025\/10\/cer-albastru-cer-rosu-2.jpg","datePublished":"2025-10-01T20:53:26+00:00","dateModified":"2025-10-01T20:53:26+00:00","breadcrumb":{"@id":"https:\/\/www.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/#breadcrumb"},"inLanguage":"ro-RO","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/"]}]},{"@type":"ImageObject","inLanguage":"ro-RO","@id":"https:\/\/www.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/#primaryimage","url":"https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2025\/10\/cer-albastru-cer-rosu-2.jpg","contentUrl":"https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2025\/10\/cer-albastru-cer-rosu-2.jpg","width":360,"height":205},{"@type":"BreadcrumbList","@id":"https:\/\/www.lovendal.ro\/wp52\/de-ce-cerul-e-albastru-de-ce-el-devine-rosu-la-apusul-si-rasaritul-soarelui\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.lovendal.ro\/wp52\/"},{"@type":"ListItem","position":2,"name":"De ce cerul e albastru? De ce el devine ro\u015fu la apusul \u015fi r\u0103s\u0103ritul Soarelui?"}]},{"@type":"WebSite","@id":"https:\/\/www.lovendal.ro\/wp52\/#website","url":"https:\/\/www.lovendal.ro\/wp52\/","name":"Secretele lui Lovendal","description":"Site de secrete, stiinta si metafizica - din 2008 -","publisher":{"@id":"https:\/\/www.lovendal.ro\/wp52\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.lovendal.ro\/wp52\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ro-RO"},{"@type":"Organization","@id":"https:\/\/www.lovendal.ro\/wp52\/#organization","name":"Secretele lui Lovendal","url":"https:\/\/www.lovendal.ro\/wp52\/","logo":{"@type":"ImageObject","inLanguage":"ro-RO","@id":"https:\/\/www.lovendal.ro\/wp52\/#\/schema\/logo\/image\/","url":"https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2024\/06\/cropped-SLL-iun-2024-1.jpg","contentUrl":"https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2024\/06\/cropped-SLL-iun-2024-1.jpg","width":771,"height":240,"caption":"Secretele lui Lovendal"},"image":{"@id":"https:\/\/www.lovendal.ro\/wp52\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/secreteleluilovendal"]},{"@type":"Person","@id":"https:\/\/www.lovendal.ro\/wp52\/#\/schema\/person\/088691de5dfc346bb0c023e1e52ef5d9","name":"admin","image":{"@type":"ImageObject","inLanguage":"ro-RO","@id":"https:\/\/www.lovendal.ro\/wp52\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/ecb9cd41f5f63c9c9b989999a59f6e2639a865ec361e9db054db0679a8f341c2?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/ecb9cd41f5f63c9c9b989999a59f6e2639a865ec361e9db054db0679a8f341c2?s=96&d=mm&r=g","caption":"admin"},"sameAs":["https:\/\/www.lovendal.ro\/wp52"]}]}},"_links":{"self":[{"href":"https:\/\/www.lovendal.ro\/wp52\/wp-json\/wp\/v2\/posts\/100199","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lovendal.ro\/wp52\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lovendal.ro\/wp52\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lovendal.ro\/wp52\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lovendal.ro\/wp52\/wp-json\/wp\/v2\/comments?post=100199"}],"version-history":[{"count":1,"href":"https:\/\/www.lovendal.ro\/wp52\/wp-json\/wp\/v2\/posts\/100199\/revisions"}],"predecessor-version":[{"id":100202,"href":"https:\/\/www.lovendal.ro\/wp52\/wp-json\/wp\/v2\/posts\/100199\/revisions\/100202"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lovendal.ro\/wp52\/wp-json\/wp\/v2\/media\/100201"}],"wp:attachment":[{"href":"https:\/\/www.lovendal.ro\/wp52\/wp-json\/wp\/v2\/media?parent=100199"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lovendal.ro\/wp52\/wp-json\/wp\/v2\/categories?post=100199"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lovendal.ro\/wp52\/wp-json\/wp\/v2\/tags?post=100199"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}