{"id":12065,"date":"2024-11-15T14:33:40","date_gmt":"2024-11-15T14:33:40","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=12065"},"modified":"2024-11-15T14:33:40","modified_gmt":"2024-11-15T14:33:40","slug":"tiangong-1-uncontrolled-re-entry-chances-impact-mitigation","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/cs\/science\/astronomy\/tiangong-1-uncontrolled-re-entry-chances-impact-mitigation\/","title":{"rendered":"Nekontrolovan\u00fd n\u00e1vrat stanice Tchien-kung 1 do zemsk\u00e9 atmosf\u00e9ry"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Nekontrolovan\u00fd n\u00e1vrat stanice Tchien-kung 1 do zemsk\u00e9 atmosf\u00e9ry<\/h2>\n\n<p>Prvn\u00ed \u010d\u00ednsk\u00e1 vesm\u00edrn\u00e1 stanice, Tchien-kung 1, by m\u011bla vstoupit do zemsk\u00e9 atmosf\u00e9ry kolem 3. dubna, plus minus t\u00fdden. Zat\u00edmco n\u011bkter\u00e9 zpr\u00e1vy vyjad\u0159uj\u00ed obavy z mo\u017en\u00fdch rizik, experti tvrd\u00ed, \u017ee \u0161ance, \u017ee by n\u011bkoho zas\u00e1hly trosky z vesm\u00edrn\u00e9 stanice, jsou extr\u00e9mn\u011b n\u00edzk\u00e9.<\/p>\n\n<h2 class=\"wp-block-heading\">Co je to stanice Tchien-kung 1?<\/h2>\n\n<p>Stanice Tchien-kung 1 byla vypu\u0161t\u011bna v roce 2011 jako v\u00fdcvikov\u00e1 platforma pro v\u011bt\u0161\u00ed vesm\u00edrnou stanici, kterou \u010c\u00edna pl\u00e1nuje vypustit ve 20. letech 21. stolet\u00ed. Nikdy nebyla zam\u00fd\u0161lena jako trval\u00e1 sou\u010d\u00e1st vesm\u00edru, s pl\u00e1novanou dobou provozu pouze dvou let. Vesm\u00edrn\u00e1 stanice v\u0161ak p\u0159ekonala svou p\u0159edpokl\u00e1danou \u017eivotnost a v roce 2016 bylo ofici\u00e1ln\u011b ozn\u00e1meno, \u017ee je mimo kontrolu.<\/p>\n\n<h2 class=\"wp-block-heading\">Kde stanice Tchien-kung 1 p\u0159istane?<\/h2>\n\n<p>Podle posledn\u00edch p\u0159edpov\u011bd\u00ed spole\u010dnosti Aerospace Corporation pravd\u011bpodobn\u011b Tchien-kung 1 vstoup\u00ed do atmosf\u00e9ry pod\u00e9l dvou \u00fazk\u00fdch pruh\u016f na 43 stupn\u00edch severn\u00ed \u0161\u00ed\u0159ky a 43 stupn\u00edch ji\u017en\u00ed \u0161\u00ed\u0159ky. To znamen\u00e1, \u017ee jej\u00ed mo\u017en\u00e1 dr\u00e1ha povede p\u0159es \u010d\u00e1sti \u010c\u00edny, ji\u017en\u00ed Evropy, severn\u00ed USA a tak\u00e9 p\u0159es \u010d\u00e1sti Ji\u017en\u00ed Ameriky, Tasm\u00e1nie a Nov\u00e9ho Z\u00e9landu.<\/p>\n\n<h2 class=\"wp-block-heading\">Jak\u00e1 je pravd\u011bpodobnost z\u00e1sahu troskami?<\/h2>\n\n<p>O\u010dek\u00e1v\u00e1 se, \u017ee naprost\u00e1 v\u011bt\u0161ina stanice Tchien-kung 1 se p\u0159i vstupu do zemsk\u00e9 atmosf\u00e9ry vypa\u0159\u00ed. Hust\u0161\u00ed \u010d\u00e1sti stanice, jako jsou motory nebo baterie, v\u0161ak mohou p\u0159e\u017e\u00edt a na povrch dopadnout \u00falomky o hmotnosti a\u017e 220 liber.<\/p>\n\n<p>P\u0159esto je pravd\u011bpodobnost, \u017ee by n\u011bkoho zas\u00e1hl \u00falomku ze stanice Tchien-kung 1, extr\u00e9mn\u011b n\u00edzk\u00e1. Podle spole\u010dnosti Aerospace Corporation byl za posledn\u00ed p\u016flstolet\u00ed zaznamen\u00e1n pouze jeden p\u0159\u00edpad, kdy byl \u010dlov\u011bk zasa\u017een vesm\u00edrn\u00fdm smet\u00edm.<\/p>\n\n<h2 class=\"wp-block-heading\">Jak b\u011b\u017en\u00e9 jsou nekontrolovan\u00e9 n\u00e1vraty?<\/h2>\n\n<p>Nekontrolovan\u00e9 n\u00e1vraty vesm\u00edrn\u00fdch stanic jsou ve skute\u010dnosti pom\u011brn\u011b b\u011b\u017en\u00e9. V historii kosmick\u00e9ho v\u011bku vstoupilo do zemsk\u00e9 atmosf\u00e9ry mnoho vesm\u00edrn\u00fdch stanic a satelit\u016f bez incident\u016f.<\/p>\n\n<p>Jedn\u00edm z pozoruhodn\u00fdch p\u0159\u00edklad\u016f je prvn\u00ed americk\u00e1 pilotovan\u00e1 vesm\u00edrn\u00e1 stanice Skylab, kter\u00e1 za\u010dala v roce 1978 po osmi letech ve vesm\u00edru opou\u0161t\u011bt ob\u011b\u017enou dr\u00e1hu. P\u0159esto\u017ee existovaly obavy, \u017ee 77tunov\u00e1 vesm\u00edrn\u00e1 stanice dopadne na obydlenou oblast, nakonec se p\u0159i vstupu do atmosf\u00e9ry rozpadla a trosky dopadly na neobydlen\u00e9 \u00fazem\u00ed v z\u00e1padn\u00ed Austr\u00e1lii.<\/p>\n\n<h2 class=\"wp-block-heading\">Jak\u00e9 jsou d\u016fsledky nekontrolovan\u00fdch n\u00e1vrat\u016f?<\/h2>\n\n<p>P\u0159esto\u017ee jsou nekontrolovan\u00e9 n\u00e1vraty b\u011b\u017en\u00e9, mohou m\u00edt negativn\u00ed dopad na \u017eivotn\u00ed prost\u0159ed\u00ed Zem\u011b. Trosky z vracej\u00edc\u00edch se vesm\u00edrn\u00fdch stanic a satelit\u016f mohou zne\u010distit atmosf\u00e9ru a vytvo\u0159it nebezpe\u010d\u00ed pro letadla a lod\u011b.<\/p>\n\n<h2 class=\"wp-block-heading\">Jak\u00e1 opat\u0159en\u00ed lze p\u0159ijmout ke zm\u00edrn\u011bn\u00ed rizik?<\/h2>\n\n<p>Existuje \u0159ada opat\u0159en\u00ed, kter\u00e1 lze p\u0159ijmout ke zm\u00edrn\u011bn\u00ed rizik spojen\u00fdch s nekontrolovan\u00fdmi n\u00e1vraty. Mezi n\u011b pat\u0159\u00ed:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>N\u00e1vrh kosmick\u00fdch lod\u00ed s funkcemi, kter\u00e9 umo\u017e\u0148uj\u00ed \u0159\u00edzen\u00e9 n\u00e1vraty<\/li>\n<li>Sledov\u00e1n\u00ed vesm\u00edrn\u00e9ho odpadu za \u00fa\u010delem identifikace potenci\u00e1ln\u00edch nebezpe\u010d\u00ed<\/li>\n<li>V\u00fdvoj technologi\u00ed pro odstra\u0148ov\u00e1n\u00ed vesm\u00edrn\u00e9ho odpadu z ob\u011b\u017en\u00e9 dr\u00e1hy<\/li>\n<\/ul>\n\n<p>P\u0159ijet\u00edm t\u011bchto opat\u0159en\u00ed m\u016f\u017eeme p\u0159isp\u011bt ke sn\u00ed\u017een\u00ed rizik spojen\u00fdch s nekontrolovan\u00fdmi n\u00e1vraty a chr\u00e1nit na\u0161i planetu p\u0159ed \u0161kodliv\u00fdmi \u00fa\u010dinky vesm\u00edrn\u00e9ho odpadu.<\/p>","protected":false},"excerpt":{"rendered":"<p>Nekontrolovan\u00fd n\u00e1vrat stanice Tchien-kung 1 do zemsk\u00e9 atmosf\u00e9ry Prvn\u00ed \u010d\u00ednsk\u00e1 vesm\u00edrn\u00e1 stanice, Tchien-kung 1, by m\u011bla vstoupit do zemsk\u00e9 atmosf\u00e9ry kolem 3. dubna, plus minus t\u00fdden. Zat\u00edmco n\u011bkter\u00e9 zpr\u00e1vy vyjad\u0159uj\u00ed&hellip;<\/p>\n","protected":false},"author":2,"featured_media":24892,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[437],"tags":[16305,4894,16304,16306,16303,16302,5135],"class_list":["post-12065","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-astronomy","tag-debris","tag-earths-atmosphere","tag-re-entry","tag-risks","tag-space-station","tag-tiangong-1","tag-mitigation"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/12065","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=12065"}],"version-history":[{"count":2,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/12065\/revisions"}],"predecessor-version":[{"id":24893,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/12065\/revisions\/24893"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media\/24892"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=12065"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=12065"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=12065"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}