{"id":3752,"date":"2026-03-10T15:50:21","date_gmt":"2026-03-10T15:50:21","guid":{"rendered":"https:\/\/astrohodonin.cz\/index.php\/2026\/03\/10\/nebe-zari-nad-observatori-paranal\/"},"modified":"2026-03-10T15:50:21","modified_gmt":"2026-03-10T15:50:21","slug":"nebe-zari-nad-observatori-paranal","status":"publish","type":"post","link":"https:\/\/astrohodonin.cz\/index.php\/2026\/03\/10\/nebe-zari-nad-observatori-paranal\/","title":{"rendered":"Nebe z\u00e1\u0159\u00ed nad observato\u0159\u00ed Paranal"},"content":{"rendered":"<p>Jsou lasery z ob\u0159\u00edch dalekohled\u016f pou\u017e\u00edv\u00e1ny k obran\u011b Zem\u011b? Ne. Lasery vyst\u0159elovan\u00e9 z dalekohled\u016f se dnes b\u011b\u017en\u011b pou\u017e\u00edvaj\u00ed ke zv\u00fd\u0161en\u00ed p\u0159esnosti astronomick\u00fdch pozorov\u00e1n\u00ed.  V n\u011bkter\u00fdch sm\u011brech mohou kol\u00eds\u00e1n\u00ed hv\u011bzdn\u00e9ho sv\u011btla zp\u016fsoben\u00e1 zemskou atmosf\u00e9rou nazna\u010dovat, jak se m\u011bn\u00ed vzduchov\u00e1 hmota nad dalekohledem, ale v jin\u00fdch sm\u011brech \u017e\u00e1dn\u00e9 jasn\u00e9 hv\u011bzdy neexistuj\u00ed. V t\u011bchto sm\u011brech mohou astronomov\u00e9 pomoc\u00ed laseru vytvo\u0159it um\u011blou hv\u011bzdu. N\u00e1sledn\u00e1 pozorov\u00e1n\u00ed um\u011bl\u00e9 laserov\u00e9 vodic\u00ed hv\u011bzdy mohou odhalit tak podrobn\u00e9 informace o m\u011bn\u00edc\u00edch se rozmaz\u00e1vac\u00edch \u00fa\u010dinc\u00edch zemsk\u00e9 atmosf\u00e9ry, \u017ee v\u011bt\u0161inu z nich lze odstranit rychl\u00fdm oh\u00fdb\u00e1n\u00edm zrcadla dalekohledu.  Takov\u00e9 adaptivn\u00ed optick\u00e9 techniky umo\u017e\u0148uj\u00ed pozemn\u00ed pozorov\u00e1n\u00ed skute\u010dn\u00fdch hv\u011bzd, planet a mlhovin ve vysok\u00e9m rozli\u0161en\u00ed. Na obr\u00e1zku jsou dalekohledy v observato\u0159i Paranal v Chile, kter\u00e9 studuj\u00ed barevnou oblohu plnou zelen\u00e9ho vzdu\u0161n\u00e9ho svitu a Magellanov\u00fdch mra\u010den vlevo, \u010derven\u00e9ho vzdu\u0161n\u00e9ho svitu vpravo a majest\u00e1tn\u00edho centr\u00e1ln\u00edho pruhu na\u0161\u00ed Galaxie Ml\u00e9\u010dn\u00e9 dr\u00e1hy, kter\u00fd se klene p\u0159es st\u0159ed.<\/p>\n<p><!-- astropress --><\/p>\n<p>**Credit**: Julien Looten<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Jsou lasery z ob\u0159\u00edch dalekohled\u016f pou\u017e\u00edv\u00e1ny k obran\u011b Zem\u011b? Ne. Lasery vyst\u0159elovan\u00e9 z dalekohled\u016f se dnes b\u011b\u017en\u011b pou\u017e\u00edvaj\u00ed ke zv\u00fd\u0161en\u00ed p\u0159esnosti astronomick\u00fdch pozorov\u00e1n\u00ed. V n\u011bkter\u00fdch sm\u011brech mohou kol\u00eds\u00e1n\u00ed hv\u011bzdn\u00e9ho sv\u011btla [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3753,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3752","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nasa"],"_links":{"self":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3752","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/comments?post=3752"}],"version-history":[{"count":0,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3752\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media\/3753"}],"wp:attachment":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media?parent=3752"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/categories?post=3752"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/tags?post=3752"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}