{"id":1371,"date":"2021-07-13T14:39:12","date_gmt":"2021-07-13T12:39:12","guid":{"rendered":"https:\/\/www.astro-novinky.eu\/?p=1371"},"modified":"2021-07-15T15:51:58","modified_gmt":"2021-07-15T13:51:58","slug":"video-bud-svetlo-od-ziarovky-po-svetelny-smog","status":"publish","type":"post","link":"https:\/\/www.astro-novinky.eu\/index.php\/2021\/07\/13\/video-bud-svetlo-od-ziarovky-po-svetelny-smog\/","title":{"rendered":"Video: Bu\u010f svetlo? Od \u017eiarovky po sveteln\u00fd smog"},"content":{"rendered":"<figure id=\"attachment_1372\" aria-describedby=\"caption-attachment-1372\" style=\"width: 400px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2021\/07\/europe-light-pollution.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1372\" src=\"https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2021\/07\/europe-light-pollution-300x200.jpg\" alt=\"Sv\u011bteln\u00e9 zne\u010di\u0161t\u011bn\u00ed v Evrop\u011b. Foto: NASA.\" width=\"400\" height=\"267\" srcset=\"https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2021\/07\/europe-light-pollution-300x200.jpg 300w, https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2021\/07\/europe-light-pollution-768x512.jpg 768w, https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2021\/07\/europe-light-pollution.jpg 948w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><figcaption id=\"caption-attachment-1372\" class=\"wp-caption-text\">Sveteln\u00e9 zne\u010distenie v Eur\u00f3pe. Foto: NASA.<\/figcaption><\/figure>\n<p class=\"wp-more-tag mce-wp-more\" title=\"\u010c\u00edta\u0165 viac...\" data-wp-more=\"more\" data-wp-more-text=\"\" data-mce-placeholder=\"1\"><span class=\"style-scope yt-formatted-string\" dir=\"auto\">Svetlo: dobr\u00fd sluha m\u00f4\u017ee by\u0165 aj zl\u00fd p\u00e1n. Okrem \u0161tyroch z\u00e1kladn\u00fdch zmyslov, vn\u00edmame a ch\u00e1peme svet v\u010faka zraku a svetlu. Kv\u00f4li tomu, \u017ee svetlo je neust\u00e1le v\u0161ade okolo n\u00e1s paradoxne zab\u00fadame na to, ak\u00fd temn\u00fd bol svet v minulosti. Kedysi sme boli otrokmi v\u00fdchodu a z\u00e1padu Slnka a iba ned\u00e1vno na\u0161e \u017eivoty zaplavilo umel\u00e9 osvetlenie a na\u0161e noci sa stali jasnej\u0161\u00edmi. Pozrite si video popul\u00e1rn\u00e9ho youtube kan\u00e1lu Dejepis Inak, tentokr\u00e1t s astrofotografom a populariz\u00e1torom astron\u00f3mie, Tom\u00e1\u0161om Slovinsk\u00fdm. Posvietime na hist\u00f3riu svetla a problematiku sveteln\u00e9ho zne\u010distenia.<br \/>\n<\/span><!--more--><\/p>\n<p><strong>Video: Dejepis Iank o Svetle<\/strong><\/p>\n<p><span class=\"VIiyi\" lang=\"sk\"><span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"0\">Nasleduj\u00face<\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"1\">video<\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"2\">vzniklo<\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"3\">v spolupr\u00e1ci<\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"4\">so <a href=\"https:\/\/www.instagram.com\/dejepisinak\/\" target=\"_blank\" rel=\"noopener\">Sandrou Svietkovou<\/a><\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"5\">Svitekovou<\/span><span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"6\">,<\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"7\">zn\u00e1mou<\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"8\">slovenskou<\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"9\">Youtuberkou<\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"10\">na<\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"11\">kan\u00e1li<\/span> <a href=\"https:\/\/www.youtube.com\/c\/DejepisInak\" target=\"_blank\" rel=\"noopener\"><span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"12\">Dejepis<\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"13\">Inak<\/span><\/a><span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"14\">.<\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"15\">Zaober\u00e1<\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"16\">sa<\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"17\">svetlom<\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"18\">od<\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"19\">jeho<\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"20\">po\u010diatkov<\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"21\">a\u017e<\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"22\">po s\u00fa\u010dasn\u00fa<\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"23\">situ\u00e1ciu<\/span><span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"24\">,<\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"25\">ktor\u00e1 je v\u010faka<\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"26\">nadmiere<\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"27\">svetla<\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"28\">\u010d\u00edm \u010falej<\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"29\">viac<\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"30\">problematick\u00e1<\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"31\">a<\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"32\">dokonca<\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"33\">zdraviu<\/span> <span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"34\">nebezpe\u010dn\u00e1<\/span><span class=\"JLqJ4b ChMk0b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"35\">.<\/span><\/span><\/p>\n<p><iframe loading=\"lazy\" title=\"Bu\u010f svetlo? | Od \u017dIAROVKY po sveteln\u00fd SMOG | ft. Tom\u00e1\u0161 Slovinsk\u00fd\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/NJ99ooDx0Mg?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p><strong>\u010co je sveteln\u00e9 zne\u010distenie?<\/strong><\/p>\n<p>Sveteln\u00e9 zne\u010distenie je v\u00e1\u017enym celosvetov\u00fdm probl\u00e9mom dne\u0161nej civiliz\u00e1cie. Svieten\u00edm do nezmyseln\u00fdch a nepotrebn\u00fdch smerov, zbyto\u010dne siln\u00fdm osvetlen\u00edm, aj nespr\u00e1vnou kon\u0161trukciou svietidiel sp\u00f4sobujeme, \u017ee v noci jednoducho nie je dostato\u010dn\u00e1 tma. Obloha je presvetlen\u00e1 aj desiatky kilometrov od miest a prirodzen\u00fa no\u010dn\u00fa tmu u\u017e kv\u00f4li sveteln\u00e9mu zne\u010disteniu n\u00e1jdeme iba na ve\u013emi m\u00e1lo miestach v Eur\u00f3pe.<\/p>\n<p>Rast\u00faca \u00farove\u0148 sveteln\u00e9ho zne\u010distenia sp\u00f4sobuje, \u017ee n\u00e1m nad hlavami mizn\u00fa hviezdy. Pr\u00e1ve astron\u00f3movia boli prv\u00ed, ktor\u00ed za\u010dali upozor\u0148ova\u0165 na tento probl\u00e9m. K\u00fdm na skuto\u010dne tmavej oblohe m\u00f4\u017eeme vo\u013en\u00fdmi o\u010dami vidie\u0165 tis\u00edcky hviezd, na mestskej oblohe je to sotva zop\u00e1r desiatok. V najzasiahnutej\u0161\u00edch \u010dastiach sveta by sme hviezdy mohli spo\u010d\u00edta\u0165 na prstoch jednej ruky. Prich\u00e1dzame t\u00fdm o na\u0161e pr\u00edrodn\u00e9 a kult\u00farne dedi\u010dstvo, ktor\u00e9 \u013eudstvo in\u0161pirovalo od nepam\u00e4ti. Deklar\u00e1cia \u013eudsk\u00fdch pr\u00e1v pre bud\u00face gener\u00e1cie z konferencie UNESCO, ktor\u00e1 sa konala v roku 1994 na Kan\u00e1rskych ostrovoch pritom hovor\u00ed, \u017ee \u201eBud\u00face gener\u00e1cie maj\u00fa pr\u00e1vo na nezni\u010den\u00fa a nezne\u010disten\u00fa Zem, vr\u00e1tane pr\u00e1va na \u010dist\u00fa oblohu\u201c.<\/p>\n<p><strong>Dopady nadmern\u00e9ho no\u010dn\u00e9ho svetla<\/strong><\/p>\n<p>Sveteln\u00e9 zne\u010distenie v\u0161ak negat\u00edvne zasahuje do mnoh\u00fdch \u010fal\u0161\u00edch oblast\u00ed n\u00e1\u0161ho \u017eivota, \u010dasto bez toho, aby sme si to v\u00f4bec uvedomovali. Nadmern\u00e9 svetlo v noci m\u00e1 negat\u00edvny vplyv na na\u0161e zdravie. Svetlom sme si umelo pred\u013a\u017eili de\u0148 a tak naru\u0161ili tis\u00edce rokov trvaj\u00face biologick\u00e9 rytmy. Striedanie d\u0148a a noci v\u017edy znamenalo striedanie svetla a tmy. Ru\u010di\u010dkami pomyseln\u00fdch biologick\u00fdch hodiniek n\u00e1\u0161ho tela (i \u010fal\u0161\u00edch \u017eivo\u010d\u00edchov) je sp\u00e1nkov\u00fd horm\u00f3n melaton\u00edn. Ten sa v na\u0161om tele tvor\u00ed po\u010das tmy, svetlo jeho tvorbu potla\u010duje. Za prirodzen\u00fdch podmienok by jeho \u00farove\u0148 mala za\u010da\u0165 narasta\u0165 po zotmen\u00ed, na \u010do telo reaguje \u00fanavou, pripravuje sa na sp\u00e1nok. S narastaj\u00facou \u00farov\u0148ou svetla po\u010das svitania zase jeho hladina za\u010dne klesa\u0165, na \u010do s\u00fa naviazan\u00e9 \u010fal\u0161ie biologick\u00e9 rytmy. Tvori\u0165 sa za\u010dne napr\u00edklad adrenal\u00edn, ktor\u00fd pripravuje telo na stres behom d\u0148a. Naru\u0161enie tvorby melaton\u00ednu nadmern\u00fdm no\u010dn\u00fdm svetlom sp\u00f4sobuje poruchy sp\u00e1nku, nespavos\u0165, ale aj mnoh\u00e9 \u010fal\u0161ie zdravotn\u00e9 probl\u00e9my vr\u00e1tane hypertenzie (vysok\u00fd krvn\u00fd tlak), obezity a vzh\u013eadom k tomu, \u017ee melaton\u00edn je jeden z naj\u00fa\u010dinnej\u0161\u00edch antioxidantov v na\u0161om tele, zvy\u0161uje sa aj riziko n\u00e1dorov\u00fdch ochoren\u00ed.<\/p>\n<p>Okrem \u013eudsk\u00e9ho zdravia nadmern\u00e9 svetlo v noci ni\u010d\u00ed no\u010dn\u00e9 ekosyst\u00e9my rastl\u00edn a \u017eivo\u010d\u00edchov. Sveteln\u00e9 zne\u010distenie priamo v\u00fdrazne prispieva k zni\u017eovaniu biodiverzity. Svietenie do nezmyseln\u00fdch smerov, teda nie len na chodn\u00edk a cestu, ale aj do okien bytov a do neba je plytvan\u00edm financi\u00ed, preto\u017ee v\u0161etko nevyu\u017eit\u00e9 svetlo sa aj tak mus\u00ed zaplati\u0165. Priame finan\u010dn\u00e9 n\u00e1klady na nevyu\u017eit\u00e9 svetlo sa v E\u00da odhaduj\u00fa zhruba na 5,2 mili\u00e1rd eur ro\u010dne! V prepo\u010dte na po\u010det obyvate\u013eov Slovenska je t\u00e1to \u010diastka pre SR viac ako 64 mili\u00f3nov eur. Zbyto\u010dn\u00fdmi n\u00e1rokmi na odber elektriny na tak\u00e9to svietenie z\u00e1rove\u0148 nepriamo prispievame ku klimatick\u00fdm zmen\u00e1m. Kv\u00f4li svieteniu do neba sa v E\u00da ro\u010dne vyprodukuje 23,5 mili\u00e1rd kg CO<sub>2<\/sub>. To je mno\u017estvo, \u010do vypust\u00ed 7 mili\u00f3nov automobilov, z ktor\u00fdch ka\u017ed\u00e9 prejde 10 000 km. <a href=\"https:\/\/sas.astro.sk\/2021\/04\/05\/medzinarodny-tyzden-tmaveho-neba-objavme-noc\/\" target=\"_blank\" rel=\"noopener\">Viac v \u010dl\u00e1nku<\/a> Slovenskej astronomickej spolo\u010dnosti.<\/p>\n<div class=\"nv-page-title-wrap nv-big-title\">\n<div class=\"nv-page-title \">\n<h4>Kontakty<\/h4>\n<p><strong>Tom\u00e1\u0161 Slovinsk\u00fd<\/strong><br \/>\nRiadite\u013e OZ Astron\u00f3mia pre v\u0161etk\u00fdch<br \/>\nTelefon: +421 948 318 005<br \/>\nEmail: <a href=\"mailto:info.slovinsky@gmail.com\">info.slovinsky@gmail.com<\/a><\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Svetlo: dobr\u00fd sluha m\u00f4\u017ee by\u0165 aj zl\u00fd p\u00e1n. Okrem \u0161tyroch z\u00e1kladn\u00fdch zmyslov, vn\u00edmame a ch\u00e1peme svet v\u010faka zraku a svetlu. Kv\u00f4li tomu, \u017ee svetlo je neust\u00e1le v\u0161ade okolo n\u00e1s paradoxne zab\u00fadame na to, ak\u00fd temn\u00fd bol svet v minulosti. Kedysi sme boli otrokmi v\u00fdchodu a z\u00e1padu Slnka a iba ned\u00e1vno na\u0161e \u017eivoty zaplavilo umel\u00e9 osvetlenie a na\u0161e noci sa stali jasnej\u0161\u00edmi. Pozrite si video popul\u00e1rn\u00e9ho youtube kan\u00e1lu Dejepis Inak, tentokr\u00e1t s astrofotografom a populariz\u00e1torom astron\u00f3mie, Tom\u00e1\u0161om Slovinsk\u00fdm. Posvietime na hist\u00f3riu svetla a problematiku sveteln\u00e9ho zne\u010distenia.<\/p>\n","protected":false},"author":6,"featured_media":1372,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[26,32],"tags":[],"class_list":["post-1371","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aktuality","category-rozhovory"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Video: Bu\u010f svetlo? Od \u017eiarovky po sveteln\u00fd smog - Astro-novinky.eu<\/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.astro-novinky.eu\/index.php\/2021\/07\/13\/video-bud-svetlo-od-ziarovky-po-svetelny-smog\/\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Video: Bu\u010f svetlo? Od \u017eiarovky po sveteln\u00fd smog - Astro-novinky.eu\" \/>\n<meta property=\"og:description\" content=\"Svetlo: dobr\u00fd sluha m\u00f4\u017ee by\u0165 aj zl\u00fd p\u00e1n. Okrem \u0161tyroch z\u00e1kladn\u00fdch zmyslov, vn\u00edmame a ch\u00e1peme svet v\u010faka zraku a svetlu. Kv\u00f4li tomu, \u017ee svetlo je neust\u00e1le v\u0161ade okolo n\u00e1s paradoxne zab\u00fadame na to, ak\u00fd temn\u00fd bol svet v minulosti. 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