{"id":7785,"date":"2022-07-03T00:00:00","date_gmt":"2022-07-02T23:00:00","guid":{"rendered":"https:\/\/instrid.sk\/uncategorized\/sonda-objavila-miesto-narazu-neznamej-rakety-s-mesiacom\/"},"modified":"2022-07-03T00:00:00","modified_gmt":"2022-07-02T23:00:00","slug":"sonda-objavila-miesto-narazu-neznamej-rakety-s-mesiacom","status":"publish","type":"post","link":"https:\/\/instrid.sk\/en\/archiv\/sonda-objavila-miesto-narazu-neznamej-rakety-s-mesiacom\/","title":{"rendered":"Sonda objavila miesto n\u00e1razu nezn\u00e1mej rakety s Mesiacom"},"content":{"rendered":"<p><strong>4. marca<\/strong> <strong>narazilo do Mesiaca telo rakety<\/strong>, v\u010faka ktor\u00e9mu Mesiac z\u00edskal <strong>nov\u00fd dvojit\u00fd kr\u00e1ter<\/strong>. Astron\u00f3movia o tomto n\u00e1raze informovali u\u017e na za\u010diatku tohto roka. Ich v\u00fdpo\u010dty a predpovede nazna\u010dovali, \u017ee k n\u00e1razu d\u00f4jde <strong>vn\u00fatri kr\u00e1tera Hertzsprung<\/strong>, ktor\u00fd sa nach\u00e1dza na odvr\u00e1tenej strane mesiaca.<\/p>\n<p><strong>Sonda agent\u00fary NASA Lunar Reconnaissance Orbiter<\/strong>, ktor\u00e1 kr\u00fa\u017ei okolo Mesiaca od roku 2009, zaslala na Zem sn\u00edmky mesa\u010dn\u00e9ho povrchu, na ktor\u00fdch sa dala identifikova\u0165 poloha nov\u00e9ho kr\u00e1teru. Kozmick\u00e1 lo\u010f tak skuto\u010dne zaznamenala miesto dopadu rakety v obrovskom kr\u00e1teri Hertzsprung. Pod\u013ea sn\u00edmok vieme, \u017ee <strong>n\u00e1raz rakety vytvoril dva kr\u00e1tery, ktor\u00e9 sa \u010diasto\u010dne prekr\u00fdvaj\u00fa<\/strong>. V\u00fdchodn\u00fd kr\u00e1ter m\u00e1 <strong>priemer 18 metrov<\/strong> a z\u00e1padn\u00fd kr\u00e1ter je o nie\u010do men\u0161\u00ed, <strong>s priemerom 16 metrov<\/strong>. Ke\u010f\u017ee sa prekr\u00fdvaj\u00fa, vytv\u00e1raj\u00fa tak na mesa\u010dnom povrchu priehlbinu, ktor\u00e1 je v najdlh\u0161om rozmere \u0161irok\u00e1 pribli\u017ene 28 metrov.<\/p>\n Nov\u00fd dvojit\u00fd kr\u00e1ter vzniknut\u00fd pri dopade \u010dasti rakety na povrch Mesiaca [NASA]\n<h3>Dvojit\u00fd kr\u00e1ter?<\/h3>\n<p>Aj napriek tomu \u017ee astron\u00f3movia n\u00e1raz \u010dasti rakety do Mesiaca o\u010dak\u00e1vali, dvojit\u00fd kr\u00e1ter, ktor\u00fd n\u00e1raz vytvoril, bol pre nich prekvapen\u00edm. Pou\u017eit\u00e9 rakety maj\u00fa <strong>zvy\u010dajne najv\u00e4\u010d\u0161iu hmotnos\u0165 na svojom konci<\/strong>. Pr\u00e1ve tu s\u00fa toti\u017e ulo\u017een\u00e9 motory a zvy\u0161ok rakety tvor\u00ed viac menej u\u017e len <strong>pr\u00e1zdna palivov\u00e1 n\u00e1dr\u017e<\/strong>. Pr\u00edtomnos\u0165 dvojit\u00e9ho kr\u00e1teru v\u0161ak nazna\u010duje, \u017ee objekt, ktor\u00fd na mesa\u010dn\u00fd povrch 4. marca narazil, <strong>mal ve\u013ek\u00fa hmotnos\u0165 na oboch svojich koncoch<\/strong>.<\/p>\n<h3>Nejasn\u00fd p\u00f4vod<\/h3>\n<p>Presn\u00fd p\u00f4vod rakety, ktor\u00e1 sa po obe\u017enej dr\u00e1he pohybovala roky, nie je doteraz jasn\u00fd. Astron\u00f3movia preto d\u00fafaj\u00fa, \u017ee by im pr\u00e1ve n\u00e1lez dvojit\u00e9ho kr\u00e1teru mohol pom\u00f4c\u0165 ur\u010di\u0165, koho raketa teda v skuto\u010dnosti dopadla na Mesiac. Aj pri letmom poh\u013eade na Mesiac zist\u00edme, \u017ee je posiaty mnoh\u00fdmi kr\u00e1termi. Je to <strong>kv\u00f4li absencii ochrannej atmosf\u00e9ry<\/strong>, v ktorej by mal\u00e9 asteroidy zhoreli. V skuto\u010dnosti tak len narazia na mesa\u010dn\u00fd povrch a zanechaj\u00fa po sebe kr\u00e1ter.<\/p>\n Mesa\u010dn\u00fd povrch [Unsplash]\n<h3>Nebezpe\u010dn\u00fd vesm\u00edrny odpad<\/h3>\n<p>V tomto pr\u00edpade v\u0161ak <strong>ide o prv\u00fd ne\u00famyseln\u00fd n\u00e1raz vesm\u00edrneho odpadu s Mesiacom<\/strong>, o ktorom odborn\u00edci vedia. Samozrejme, \u017ee nejde o prv\u00fd kr\u00e1ter na Mesiaci vytvoren\u00fd \u010dinnos\u0165ou \u010dloveka. Na Mesiaci sa napr\u00edklad nach\u00e1dzaj\u00fa kr\u00e1tery vzniknut\u00e9 po\u010das misi\u00ed Apollo 13, 14, 15 a 17. Pri porovnan\u00ed s novovzniknut\u00fdm dvojit\u00fdm kr\u00e1terom <strong>s\u00fa v\u0161ak ove\u013ea v\u00e4\u010d\u0161ie<\/strong>. Kr\u00e1tery od misi\u00ed Apollo vznikli \u00famyselne, ke\u010f <strong>NASA nasmerovala tretie stupne rakiet Saturn V na mesa\u010dn\u00fd povrch<\/strong>. Skoro v\u0161etky kr\u00e1tery od rakiet Saturn V s\u00fa <strong>\u0161irok\u00e9 viac ako 35 metrov<\/strong>.<\/p>\n<h3>Nikto to nesleduje<\/h3>\n<p>Prv\u00fd si trajekt\u00f3riu \u010dasti rakety v\u0161imol <strong>Bill Gray<\/strong>, nez\u00e1visl\u00fd v\u00fdskumn\u00edk zameran\u00fd na orbit\u00e1lnu dynamiku a\u00a0v\u00fdvoj\u00e1r astronomick\u00e9ho softv\u00e9ru. Ten <strong>p\u00f4vodne raketu identifikoval ako horn\u00fd stupe\u0148 rakety Falcon 9 spolo\u010dnosti SpaceX<\/strong>. Ten v roku 2015 vyniesol do vesm\u00edru americk\u00e9 observat\u00f3rium <strong>DSCOVR<\/strong> (Deep Space Climate Observatory). Nesk\u00f4r v\u0161ak ozn\u00e1mil, \u017ee sa pom\u00fdlil a raketa bola pravdepodobne <strong>s\u00fa\u010das\u0165ou \u010d\u00ednskej lun\u00e1rnej misie z roku 2014<\/strong>. Napriek tomu, \u017ee toto tvrdenie NASA potvrdila, \u010d\u00ednske ministerstvo zahrani\u010dn\u00fdch vec\u00ed ho <strong>poprelo<\/strong>. Pod\u013ea nich raketa mesa\u010dnej misie Chang&#8217;e-5 zhorela v zemskej atmosf\u00e9re pri jej n\u00e1vrate.<\/p>\n<p>Probl\u00e9mom je, \u017ee \u017eiadna vesm\u00edrna agent\u00fara nesleduje svoj vesm\u00edrny odpad tak \u010faleko od Zeme. Pr\u00e1ve neistota p\u00f4vodu horn\u00e9ho stup\u0148a rakety <strong>rozv\u00edrila debatu o\u00a0potrebe d\u00f4kladnej\u0161ieho monitorovania odpadu<\/strong>. Odborn\u00edci tvrdia, \u017ee najv\u00e4\u010d\u0161ou hrozbou je vesm\u00edrny odpad na n\u00edzkej obe\u017enej dr\u00e1he Zeme. Ten ohrozuje pos\u00e1dku Medzin\u00e1rodnej vesm\u00edrnej stanice ale aj prev\u00e1dzku satelitov. Je toti\u017e re\u00e1lna mo\u017enos\u0165 \u017ee sa <strong>kusy vesm\u00edrneho odpadu<\/strong> <strong>m\u00f4\u017eu so satelitom zrazi\u0165 a\u00a0vytvori\u0165 tak viac odpadu<\/strong>.<\/p>\n Medzin\u00e1rodn\u00e1 vesm\u00edrna stanica [Unsplash]\n<p>Vedci nateraz odhaduj\u00fa, \u017ee okolo Zeme obieha <strong>najmenej 26 000 kusov vesm\u00edrneho odpadu o ve\u013ekosti v\u00e4\u010d\u0161ej ako ve\u013ekos\u0165 tenisovej lopti\u010dky<\/strong>. Pr\u00e1ve tak\u00e9to \u00falomky s\u00fa dostato\u010dne ve\u013ek\u00e9 na to, aby dok\u00e1zali <strong>zni\u010di\u0165 satelit<\/strong>.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #999999\">Zdroje: TechCrunch, Space.com, Forbes, The New York Times<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>4. marca narazilo do Mesiaca telo rakety, v\u010faka ktor\u00e9mu Mesiac z\u00edskal nov\u00fd dvojit\u00fd kr\u00e1ter. Astron\u00f3movia o tomto n\u00e1raze informovali u\u017e na za\u010diatku tohto roka. Ich<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[51],"tags":[],"class_list":["post-7785","post","type-post","status-publish","format-standard","hentry","category-archiv","two-columns"],"_links":{"self":[{"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/posts\/7785","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/comments?post=7785"}],"version-history":[{"count":0,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/posts\/7785\/revisions"}],"wp:attachment":[{"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/media?parent=7785"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/categories?post=7785"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/tags?post=7785"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}