{"id":15625,"date":"2022-09-25T05:43:27","date_gmt":"2022-09-25T03:43:27","guid":{"rendered":"http:\/\/www.infokuryr.cz\/n\/?p=15625"},"modified":"2022-09-25T05:43:27","modified_gmt":"2022-09-25T03:43:27","slug":"nasa-provede-prvni-test-na-svete-na-ochranu-zeme-pred-smrticimi-asteroidy","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2022\/09\/25\/nasa-provede-prvni-test-na-svete-na-ochranu-zeme-pred-smrticimi-asteroidy\/","title":{"rendered":"NASA provede prvn\u00ed test na sv\u011bt\u011b na ochranu Zem\u011b p\u0159ed smrt\u00edc\u00edmi asteroidy"},"content":{"rendered":"
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Americk\u00e1 vesm\u00edrn\u00e1 agentura NASA v pond\u011bl\u00ed v r\u00e1mci mise DART provede prvn\u00ed testy planet\u00e1rn\u00ed obrany na sv\u011bt\u011b, p\u00ed\u0161e The Independent. V\u011bdeck\u00fd experiment m\u00e1 za c\u00edl srazit kosmickou lo\u010f s mal\u00fdm asteroidem, aby se zm\u011bnila jeho dr\u00e1ha. V d\u016fsledku \u00fasp\u011b\u0161n\u00e9 hav\u00e1rie dru\u017eice budou v\u011bdci schopni pochopit, zda tento typ kinetick\u00e9 sr\u00e1\u017eky m\u016f\u017ee pomoci vych\u00fdlit trajektorii asteroidu, kter\u00fd skute\u010dn\u011b p\u0159edstavuje hrozbu pro Zemi.<\/strong><\/p>\n

26.z\u00e1\u0159\u00ed NASA otestuje technologii ochrany Zem\u011b p\u0159ed potenci\u00e1ln\u00edm nebezpe\u010d\u00edm v podob\u011b asteroid\u016f a komet se sondou DART (\u201eTest dvojit\u00e9ho p\u0159esm\u011brov\u00e1n\u00ed asteroid\u016f.\u201c – InoTV<\/em>). Pro prvn\u00ed misi sv\u00e9ho druhu na sv\u011bt\u011b je pl\u00e1nov\u00e1no zas\u00e1hnout bezpilotn\u00ed lod\u00ed na povrch Dimorphu, satelitu bl\u00edzkozemn\u00edho asteroidu Didyma, za \u00fa\u010delem zm\u011bny jej\u00ed ob\u011b\u017en\u00e9 dr\u00e1hy, uv\u00e1d\u00ed The Independent.<\/p>\n

Sonda se sraz\u00ed s asteroidem Dimorph, ob\u00edhaj\u00edc\u00edm v bl\u00edzkozemsk\u00e9m asteroidov\u00e9m syst\u00e9mu Didyma.\u00a0Dimorph nen\u00ed pro Zemi nebezpe\u010dn\u00fd, jeho pr\u016fm\u011br je p\u0159ibli\u017en\u011b 100 m. V\u011bdci se domn\u00edvaj\u00ed, \u017ee Dimorph vych\u00fdl\u00ed sv\u016fj kurz trochu do strany a \u010dasem se jeho dr\u00e1ha v\u00fdrazn\u011b zm\u011bn\u00ed.\u00a0To n\u00e1m umo\u017en\u00ed pochopit, zda je skute\u010dn\u011b mo\u017en\u00e9 zachr\u00e1nit planetu p\u0159ed zni\u010den\u00edm vesm\u00edrn\u00fdmi t\u011blesy pomoc\u00ed vesm\u00edrn\u00fdch dron\u016f a zda zv\u011bt\u0161en\u00e1 verze t\u00e9to techniky \u201ekinetick\u00e9ho \u00fadern\u00edku\u201c m\u016f\u017ee odr\u00e1\u017eet v\u011bt\u0161\u00ed asteroid nebo kometu, uv\u00e1d\u00ed publikace.<\/p>\n

„V misi D\u00a0ART\u00a0jsou dva testy .“\u00a0Prvn\u00ed test je testem na\u0161\u00ed schopnosti postavit autonomn\u011b \u0159\u00edzenou kosmickou lo\u010f, kter\u00e1 bude m\u00edt skute\u010dn\u011b kinetick\u00fd dopad na asteroid<\/em>\u00a0,\u201c \u0159ekl v\u011bdec vesm\u00edrn\u00e9ho programu Tom Statler.\u00a0\u201eDruh\u00fd test je testem toho, jak skute\u010dn\u00fd asteroid reaguje na kinetick\u00fd dopad.\u00a0Nakonec je hlavn\u00ed ot\u00e1zkou, jak efektivn\u011b se n\u00e1m poda\u0159ilo p\u0159esunout asteroid<\/em>\u00a0,\u201c cituje ho The Independent.<\/p>\n

Podle Dr. Statlera nyn\u00ed trv\u00e1 Dimorphovi 11 hodin a 55 minut, ne\u017e dokon\u010d\u00ed rotaci kolem Didymy.\u00a0V\u011bdci o\u010dek\u00e1vaj\u00ed, \u017ee pokud bude vesm\u00edrn\u00e1 mise \u00fasp\u011b\u0161n\u00e1, dopad DART zpomal\u00ed dobu ob\u011bhu ze 73 sekund na 10 minut.\u00a0Po sr\u00e1\u017ece se do m\u011b\u0159ic\u00edch prac\u00ed zapoj\u00ed mnoho pozemn\u00edch a vesm\u00edrn\u00fdch dalekohled\u016f.\u00a0V\u00fdzkumn\u00fd t\u00fdm porovn\u00e1 v\u00fdsledky dopadu asteroidu s vysoce detailn\u00edmi po\u010d\u00edta\u010dov\u00fdmi simulacemi kinetick\u00fdch dopad\u016f asteroid\u016f.<\/p>\n

Bez ohledu na v\u00fdsledky v\u011bdeck\u00e9ho experimentu je t\u0159eba poznamenat, \u017ee mise DART bude historick\u00e1 a p\u0159elomov\u00e1, proto\u017ee se lid\u00e9 na Zemi poprv\u00e9 pokus\u00ed zm\u011bnit chov\u00e1n\u00ed nebesk\u00fdch t\u011bles.\u00a0\u201ePohybujeme asteroidem, m\u011bn\u00edme pohyb p\u0159irozen\u00e9ho nebesk\u00e9ho t\u011blesa ve vesm\u00edru \u2013 to lidstvo nikdy p\u0159edt\u00edm neud\u011blalo<\/em>\u00a0,\u201c uzav\u00edr\u00e1 The Independent slovy Dr. Statlera.<\/p>\n

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Americk\u00e1 vesm\u00edrn\u00e1 agentura NASA v pond\u011bl\u00ed v r\u00e1mci mise DART provede prvn\u00ed testy planet\u00e1rn\u00ed obrany…<\/p>\n","protected":false},"author":2,"featured_media":15626,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[3414,1039,88,2309],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/15625"}],"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=15625"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/15625\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/15626"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=15625"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=15625"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=15625"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}