{"id":8176,"date":"2022-02-10T02:00:10","date_gmt":"2022-02-10T01:00:10","guid":{"rendered":"http:\/\/www.infokuryr.cz\/n\/?p=8176"},"modified":"2022-02-09T17:53:39","modified_gmt":"2022-02-09T16:53:39","slug":"geomagneticka-boure-nici-desitky-satelitu-spacex","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2022\/02\/10\/geomagneticka-boure-nici-desitky-satelitu-spacex\/","title":{"rendered":"Geomagnetick\u00e1 bou\u0159e ni\u010d\u00ed des\u00edtky satelit\u016f SpaceX"},"content":{"rendered":"<div id=\"fb-root\"><\/div>\n<div class=\"ArticleView-summary\">\n<div class=\"Text-root Text-type_1 \">O\u010dek\u00e1v\u00e1 se, \u017ee 80 procent satelit\u016f SpaceX vypu\u0161t\u011bn\u00fdch v minul\u00e9m t\u00fddnu sho\u0159\u00ed m\u00edsto toho, aby se dostaly na ob\u011b\u017enou dr\u00e1hu kv\u016fli geomagnetick\u00e9 bou\u0159i. Spole\u010dnost to ozn\u00e1mila v \u00fater\u00fd.<\/div>\n<\/div>\n<div class=\"Text-root Text-type_5 ArticleView-text ViewText-root \">\n<p>Americk\u00e1 vesm\u00edrn\u00e1 spole\u010dnost SpaceX ozn\u00e1mila, \u017ee t\u00e9m\u011b\u0159 v\u0161ech 49 satelit\u016f Starlink vypu\u0161t\u011bn\u00fdch minul\u00fd t\u00fdden m\u016f\u017ee b\u00fdt ztraceno kv\u016fli geomagnetick\u00e9 bou\u0159i v zemsk\u00e9 atmosf\u00e9\u0159e.<\/p>\n<p>K tomuto jevu doch\u00e1z\u00ed, kdy\u017e slune\u010dn\u00ed erupce zm\u011bn\u00ed hustotu atmosf\u00e9ry \u2013 co\u017e zp\u016fsob\u00ed, \u017ee satelity ztrat\u00ed nadmo\u0159skou v\u00fd\u0161ku a sho\u0159\u00ed.\u00a0Geomagnetick\u00e9 bou\u0159e jsou v\u00fdsledkem interakc\u00ed mezi slune\u010dn\u00edm v\u011btrem \u2013 proudem nabit\u00fdch \u010d\u00e1stic ze Slunce \u2013 a magnetick\u00fdm polem Zem\u011b.\u00a0Pokud na zemsk\u00e9 magnetick\u00e9 pole dopadne obzvl\u00e1\u0161\u0165 velk\u00e9 mno\u017estv\u00ed \u010d\u00e1stic ze Slunce, nelze je ji\u017e dostate\u010dn\u011b vych\u00fdlit.\u00a0M\u016f\u017eete pak po\u0161kodit elektroniku v satelitech.<\/p>\n<p>Satelitn\u00ed internetov\u00e1 slu\u017eba Starlink Elona Muska vynesla satelity na n\u00edzkou ob\u011b\u017enou dr\u00e1hu Zem\u011b 3. \u00fanora z floridsk\u00e9ho Kennedyho vesm\u00edrn\u00e9ho st\u0159ediska.\u00a0Ale 80 procent z nich pravd\u011bpodobn\u011b sho\u0159\u00ed, m\u00edsto aby dos\u00e1hly zam\u00fd\u0161len\u00e9 ob\u011b\u017en\u00e9 dr\u00e1hy.<\/p>\n<p>&#8222;Satelity vypu\u0161t\u011bn\u00e9 ve \u010dtvrtek byly bohu\u017eel v\u00fdrazn\u011b ovlivn\u011bny p\u00e1te\u010dn\u00ed geomagnetickou bou\u0159\u00ed,&#8220; uvedla SpaceX v prohl\u00e1\u0161en\u00ed.\u00a0&#8222;Tyto bou\u0159e zp\u016fsobuj\u00ed oteplov\u00e1n\u00ed atmosf\u00e9ry a zvy\u0161uj\u00ed hustotu atmosf\u00e9ry v na\u0161ich n\u00edzk\u00fdch provozn\u00edch v\u00fd\u0161k\u00e1ch.&#8220;<\/p>\n<p>Slune\u010dn\u00ed bou\u0159e zp\u016fsobila \u201ea\u017e o 50 procent vy\u0161\u0161\u00ed atmosf\u00e9rick\u00fd odpor\u201c ne\u017e p\u0159edchoz\u00ed starty.<\/p>\n<p>A\u017e 40 satelit\u016f tedy znovu vstoup\u00ed nebo ji\u017e znovu vstoupilo do zemsk\u00e9 atmosf\u00e9ry.\u00a0Podle spole\u010dnosti nep\u0159edstavuj\u00ed deorbitn\u00ed dru\u017eice \u017e\u00e1dn\u00e9 riziko kolize s jin\u00fdmi dru\u017eicemi a p\u0159i op\u011btovn\u00e9m vstupu do zemsk\u00e9 atmosf\u00e9ry budou zni\u010deny.\u00a0Spole\u010dnost \u0159\u00edk\u00e1, \u017ee po op\u011btovn\u00e9m vstupu do zemsk\u00e9 atmosf\u00e9ry se satelity Starlink rozpadaj\u00ed, &#8222;co\u017e znamen\u00e1, \u017ee nevznikaj\u00ed \u017e\u00e1dn\u00e9 vesm\u00edrn\u00e9 smet\u00ed a \u017e\u00e1dn\u00e9 \u010d\u00e1sti satelit\u016f nespadnou na zem.&#8220;<\/p>\n<p>SpaceX ji\u017e vypustila 2 000 satelit\u016f Starlink a od americk\u00fdch \u00fa\u0159ad\u016f z\u00edskala povolen\u00ed vyn\u00e9st na ob\u011b\u017enou dr\u00e1hu celkem 12 000 satelit\u016f.\u00a0Na konci prosince se objevily v\u00fdzvy k bojkotu SpaceX pot\u00e9, co se dva satelity SpaceX \u00fadajn\u011b nebezpe\u010dn\u011b p\u0159ibl\u00ed\u017eily k \u010d\u00ednsk\u00e9 vesm\u00edrn\u00e9 stanici \u201eTiangong\u201c.\u00a0\u010c\u00edna obvinila USA z nezodpov\u011bdnosti.\u00a0Vesm\u00edrn\u00e1 stanice musela zm\u011bnit kurz v \u010dervenci i \u0159\u00edjnu, proto\u017ee dru\u017eice Starlink od spole\u010dnosti Elona Muska byla na kolizn\u00edm kurzu.<\/p>\n<p>Astronomov\u00e9 se nav\u00edc ob\u00e1vaj\u00ed, \u017ee \u201emegakonstelace\u201c des\u00edtek tis\u00edc satelit\u016f by mohla naru\u0161it schopnost v\u011bdc\u016f studovat vzd\u00e1len\u00fd vesm\u00edr.\u00a0Evrop\u0161t\u00ed vesm\u00edrn\u00ed experti loni vyzvali k regulaci cestov\u00e1n\u00ed do vesm\u00edru.\u00a0\u0160\u00e9f Evropsk\u00e9 kosmick\u00e9 agentury Josef Aschbacher v prosinci prohl\u00e1sil, \u017ee Musk ve vesm\u00edru ur\u010duje pravidla.\u00a0Vyzval ke koordinovan\u00e9mu p\u0159\u00edstupu, kter\u00fd zajist\u00ed, \u017ee konstelace internetov\u00fdch satelit\u016f SpaceX nebude br\u00e1nit jin\u00fdm zem\u00edm ve vypou\u0161t\u011bn\u00ed vlastn\u00edch satelit\u016f.<\/p>\n<p>SpaceX aktu\u00e1ln\u00ed incident vyu\u017eila k tomu, aby pouk\u00e1zala na to, jak moc spole\u010dnost ji\u017e d\u011bl\u00e1 pro to, aby jej\u00ed satelity neovliv\u0148ovaly oblohu.\u00a0Zrovna minul\u00fd m\u011bs\u00edc studie vyvolala obavy, \u017ee by satelity Starlink mohly negativn\u011b ovlivnit pozorov\u00e1n\u00ed nebes.<\/p>\n<\/div>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-1185\" src=\"http:\/\/www.infokuryr.cz\/n\/wp-content\/uploads\/2021\/04\/kuryr-podpis.png\" alt=\"\" width=\"84\" height=\"24\" \/><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>O\u010dek\u00e1v\u00e1 se, \u017ee 80 procent satelit\u016f SpaceX vypu\u0161t\u011bn\u00fdch v minul\u00e9m t\u00fddnu sho\u0159\u00ed m\u00edsto toho, aby&#8230;<\/p>\n","protected":false},"author":2,"featured_media":8177,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[1865,485,1864,37],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/8176"}],"collection":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/comments?post=8176"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/8176\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/8177"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=8176"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=8176"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=8176"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}