{"id":12631,"date":"2026-02-01T16:44:31","date_gmt":"2026-02-01T16:44:31","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=12631"},"modified":"2026-02-01T16:44:31","modified_gmt":"2026-02-01T16:44:31","slug":"the-hidden-world-of-air","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/cs\/science\/atmospheric-science\/the-hidden-world-of-air\/","title":{"rendered":"Skryt\u00fd vesm\u00edr v ka\u017ed\u00e9m n\u00e1dechu: co opravdu d\u00fdch\u00e1\u0161"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Skryt\u00fd sv\u011bt vzduchu<\/h2>\n\n<p>Vzduch kolem n\u00e1s neust\u00e1le koluje, ale m\u00e1lokdy si ho v\u0161imneme. Nevid\u00edme ho, nechyt\u00e1me ho, a tak ho bereme jako samoz\u0159ejmost. P\u0159itom skr\u00fdv\u00e1 daleko v\u00edc, ne\u017e se na prvn\u00ed pohled zd\u00e1.<\/p>\n\n<p>Jedna krychlov\u00e1 stopa vzduchu je ve skute\u010dnosti cel\u00fd mikrokosmos vesm\u00edru. Obsahuje p\u0159ekvapivou sm\u011bsici \u010d\u00e1ste\u010dek a z\u00e1\u0159en\u00ed, nap\u0159\u00edklad:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Ko\u017en\u00ed bu\u0148ky:<\/strong> P\u0159i ka\u017ed\u00e9m n\u00e1dechu se do vzduchu uvoln\u00ed drobn\u00e9 ko\u017en\u00ed bu\u0148ky. Jsou tak miniaturn\u00ed, \u017ee je neuvid\u00edte, ale jsou tam.<\/li>\n<li><strong>Hv\u011bzdn\u00fd prach:<\/strong> Vzduch je tak\u00e9 pln\u00fd hv\u011bzdn\u00e9ho prachu \u2013 jde o \u010d\u00e1ste\u010dky ze hv\u011bzd, kter\u00e9 p\u0159ed miliardami let explodovaly.<\/li>\n<li><strong>R\u00e1diov\u00e9 vlny:<\/strong> Koluj\u00ed v n\u011bm rovn\u011b\u017e r\u00e1diov\u00e9 vlny, je\u017e vyza\u0159uj\u00ed mobiln\u00ed telefony i samotn\u00e9 hv\u011bzdy.<\/li>\n<li><strong>Vitaminy:<\/strong> Ve vzduchu najdeme i vitaminy d\u016fle\u017eit\u00e9 pro na\u0161e zdrav\u00ed. Vitamin D vznik\u00e1 v k\u016f\u017ei p\u016fsoben\u00edm slune\u010dn\u00edho sv\u011btla.<\/li>\n<li><strong>Pavou\u010d\u00ed no\u017ei\u010dky:<\/strong> \u010ctete spr\u00e1vn\u011b. Ve vzduchu se vzn\u00e1\u0161ej\u00ed i pavou\u010d\u00ed no\u017ei\u010dky, kter\u00e9 pavouci odvrhuj\u00ed b\u011bhem r\u016fstu.<\/li>\n<li><strong>Vulkanick\u00fd popel:<\/strong> Dokonce i \u010d\u00e1ste\u010dky l\u00e1vy z m\u011bs\u00edce Jupitera \u2013 Io. Jde o mikroskopick\u00e9 \u00falomky, kter\u00e9 vymr\u0161t\u00ed tamn\u00ed sopky.<\/li>\n<\/ul>\n\n<p>Je \u00fa\u017easn\u00e9 uv\u011bdomit si, \u017ee p\u0159i ka\u017ed\u00e9m n\u00e1dechu do sebe \u201enas\u00e1v\u00e1me\u201c cel\u00fd tento vesm\u00edrn\u00fd koktejl. Sv\u011bt je mnohem komplexn\u011bj\u0161\u00ed a fascinuj\u00edc\u00ed, ne\u017e se zd\u00e1.<\/p>\n\n<h3 class=\"wp-block-heading\">Slo\u017een\u00ed vzduchu<\/h3>\n\n<p>Vzduch je sm\u011bs plyn\u016f \u2013 dus\u00edku, kysl\u00edku, argonu a oxidu uhli\u010dit\u00e9ho. Dus\u00edk tvo\u0159\u00ed asi 78 %, kysl\u00edk p\u0159ibli\u017en\u011b 21 %. Zb\u00fdvaj\u00edc\u00ed 1 % p\u0159ipad\u00e1 na argon, oxid uhli\u010dit\u00fd a dal\u0161\u00ed stopov\u00e9 plyny.<\/p>\n\n<p>Slo\u017een\u00ed vzduchu nen\u00ed pevn\u00e9. Li\u0161\u00ed se podle m\u00edsta, denn\u00ed doby i po\u010das\u00ed. Nap\u0159\u00edklad ve m\u011bstech obsahuje v\u00edce zne\u010di\u0161\u0165uj\u00edc\u00edch l\u00e1tek ne\u017e na venkov\u011b.<\/p>\n\n<h3 class=\"wp-block-heading\">Pro\u010d vzduch pot\u0159ebujeme<\/h3>\n\n<p>Vzduch je pro \u017eivot nezbytn\u00fd. D\u00edky n\u011bmu d\u00fdch\u00e1me a udr\u017eujeme st\u00e1lou t\u011blesnou teplotu. Pod\u00edl\u00ed se tak\u00e9 na kolob\u011bhu vody a vzniku oblak\u016f.<\/p>\n\n<p>Bez vzduchu by na Zemi \u017eivot nebyl mo\u017en\u00fd.<\/p>\n\n<h3 class=\"wp-block-heading\">Skryt\u00e1 nebezpe\u010d\u00ed<\/h3>\n\n<p>I kdy\u017e vzduch pot\u0159ebujeme, m\u016f\u017ee b\u00fdt i nebezpe\u010dn\u00fd. M\u016f\u017ee obsahovat zne\u010di\u0161\u0165uj\u00edc\u00ed l\u00e1tky vyvol\u00e1vaj\u00edc\u00ed astma, rakovinu a dal\u0161\u00ed choroby. P\u0159\u00edli\u0161 hork\u00fd nebo studen\u00fd vzduch pak m\u016f\u017ee v\u00e9st k p\u0159eh\u0159\u00e1t\u00ed \u010di podchlazen\u00ed.<\/p>\n\n<p>Je proto d\u016fle\u017eit\u00e9 v\u011bd\u011bt o t\u011bchto rizic\u00edch a chr\u00e1nit se \u2013 vyh\u00fdbat se zne\u010di\u0161t\u011bn\u00e9mu vzduchu a p\u0159izp\u016fsobit oble\u010den\u00ed po\u010das\u00ed.<\/p>\n\n<h3 class=\"wp-block-heading\">Z\u00e1v\u011br<\/h3>\n\n<p>Vzduch je slo\u017eit\u00e1 a \u00fa\u017easn\u00e1 l\u00e1tka. Bez n\u00ed nelze \u017e\u00edt, ale m\u016f\u017ee i ubl\u00ed\u017eit. Pochop\u00edme-li jeho slo\u017een\u00ed a vlastnosti, l\u00e9pe ocen\u00edme jeho v\u00fdznam a dovedeme se p\u0159ed jeho hrozbami ochr\u00e1nit.<\/p>","protected":false},"excerpt":{"rendered":"<p>Skryt\u00fd sv\u011bt vzduchu Vzduch kolem n\u00e1s neust\u00e1le koluje, ale m\u00e1lokdy si ho v\u0161imneme. Nevid\u00edme ho, nechyt\u00e1me ho, a tak ho bereme jako samoz\u0159ejmost. P\u0159itom skr\u00fdv\u00e1 daleko v\u00edc, ne\u017e se na&hellip;<\/p>\n","protected":false},"author":2,"featured_media":25251,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3415],"tags":[17058,17059,17060,911,342],"class_list":["post-12631","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-atmospheric-science","tag-air-composition","tag-atmospheric-particles","tag-microcosm-of-the-universe","tag-science-art","tag-life-science"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/12631","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=12631"}],"version-history":[{"count":2,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/12631\/revisions"}],"predecessor-version":[{"id":25252,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/12631\/revisions\/25252"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media\/25251"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=12631"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=12631"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=12631"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}