{"id":3786,"date":"2026-03-24T16:25:14","date_gmt":"2026-03-24T16:25:14","guid":{"rendered":"https:\/\/astrohodonin.cz\/index.php\/2026\/03\/24\/gravitacni-mapa-zeme\/"},"modified":"2026-03-24T16:25:14","modified_gmt":"2026-03-24T16:25:14","slug":"gravitacni-mapa-zeme","status":"publish","type":"post","link":"https:\/\/astrohodonin.cz\/index.php\/2026\/03\/24\/gravitacni-mapa-zeme\/","title":{"rendered":"Gravita\u010dn\u00ed mapa Zem\u011b"},"content":{"rendered":"<div style=\"width: 640px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-3786-1\" width=\"640\" height=\"360\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/apod.nasa.gov\/apod\/image\/2603\/GravityEarth_GRACE_silent.mp4?_=1\" \/><a href=\"https:\/\/apod.nasa.gov\/apod\/image\/2603\/GravityEarth_GRACE_silent.mp4\">https:\/\/apod.nasa.gov\/apod\/image\/2603\/GravityEarth_GRACE_silent.mp4<\/a><\/video><\/div>\n<p>Je gravitace na cel\u00e9m povrchu Zem\u011b stejn\u00e1? Ne \u2013 na n\u011bkter\u00fdch m\u00edstech se budete c\u00edtit o n\u011bco t\u011b\u017e\u0161\u00ed ne\u017e jinde. Na p\u0159ilo\u017een\u00e9m videu s mapou Zem\u011b jsou barevn\u011b a zveli\u010den\u011b zn\u00e1zorn\u011bna m\u00edsta, kde je gravita\u010dn\u00ed pole Zem\u011b relativn\u011b siln\u00e9 a kde slab\u00e9.  M\u00edsto s n\u00edzkou gravitac\u00ed, kde byste se c\u00edtili o n\u011bco leh\u010d\u00ed, je vid\u011bt u pob\u0159e\u017e\u00ed Indie, vyzna\u010den\u00e9 mod\u0159e, zat\u00edmco relativn\u011b vysok\u00e1 gravitace se vyskytuje v hor\u00e1ch Chile v Ji\u017en\u00ed Americe.  P\u0159\u00ed\u010dina t\u011bchto nepravidelnost\u00ed ne v\u017edy odpov\u00edd\u00e1 sou\u010dasn\u00fdm povrchov\u00fdm rys\u016fm. V\u011bdci p\u0159edpokl\u00e1daj\u00ed, \u017ee dal\u0161\u00ed d\u016fle\u017eit\u00e9 faktory spo\u010d\u00edvaj\u00ed v hlubok\u00fdch podzemn\u00edch struktur\u00e1ch zemsk\u00e9ho pl\u00e1\u0161t\u011b a mohou souviset s t\u00edm, jak Zem\u011b vypadala v d\u00e1vn\u00e9 minulosti.  Uveden\u00e1 mapa byla sestavena z dat po\u0159\u00edzen\u00fdch dvojic\u00ed satelit\u016f GRACE agentury NASA, kter\u00e9 ob\u00edhaly kolem Zem\u011b v letech 2002 a\u017e 2017.  GRACE zmapoval zemskou gravitaci pe\u010dliv\u00fdm sledov\u00e1n\u00edm nepatrn\u00fdch zm\u011bn ve vzd\u00e1lenosti mezi ob\u011bma satelity.<\/p>\n<p><!-- astropress --><\/p>\n<p>**Credit**: NASA<\/p>\n","protected":false},"excerpt":{"rendered":"<p>https:\/\/apod.nasa.gov\/apod\/image\/2603\/GravityEarth_GRACE_silent.mp4 Je gravitace na cel\u00e9m povrchu Zem\u011b stejn\u00e1? Ne \u2013 na n\u011bkter\u00fdch m\u00edstech se budete c\u00edtit o n\u011bco t\u011b\u017e\u0161\u00ed ne\u017e jinde. Na p\u0159ilo\u017een\u00e9m videu s mapou Zem\u011b jsou barevn\u011b a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3786","post","type-post","status-publish","format-standard","hentry","category-nasa"],"_links":{"self":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3786","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=3786"}],"version-history":[{"count":1,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3786\/revisions"}],"predecessor-version":[{"id":3787,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3786\/revisions\/3787"}],"wp:attachment":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media?parent=3786"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/categories?post=3786"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/tags?post=3786"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}