{"id":7017,"date":"2021-06-14T00:00:00","date_gmt":"2021-06-13T23:00:00","guid":{"rendered":"https:\/\/instrid.sk\/uncategorized\/nasa-venusa\/"},"modified":"2021-06-14T00:00:00","modified_gmt":"2021-06-13T23:00:00","slug":"nasa-venusa","status":"publish","type":"post","link":"https:\/\/instrid.sk\/en\/archiv\/nasa-venusa\/","title":{"rendered":"NASA vybrala dve misie, ktor\u00e9 bud\u00fa sk\u00fama\u0165 plan\u00e9tu Venu\u0161a"},"content":{"rendered":"<p>Venu\u0161a sa kone\u010dne do\u010dk\u00e1 dostato\u010dnej pozornosti od NASA (Americk\u00fd n\u00e1rodn\u00fd \u00farad pre letectvo a vesm\u00edr). E\u0161te za\u010diatkom minul\u00e9ho roka <strong>NASA pridelila spolu 12 mili\u00f3nov dol\u00e1rov 4 t\u00edmom<\/strong> (3 mili\u00f3ny ka\u017ed\u00e9mu z nich) na rozvoj potencion\u00e1lnych misi\u00ed za \u00fa\u010delom vzniku plnohodnotn\u00fdch exped\u00edci\u00ed. Z potencion\u00e1lnych misi\u00ed si teraz NASA vybrala 2 projekty DAVINCI+ a VERITAS). Cie\u013eom oboch zvolen\u00fdch projektov je pr\u00e1ve plan\u00e9ta Venu\u0161a.<\/p>\n<p>NASA 2. j\u00fana 2021 ozn\u00e1mila v\u00fdber 2 misi\u00ed, ktor\u00fdch cie\u013eom je \u0161t\u00fadium Venu\u0161e ako b\u00fdvalej ob\u00fdvate\u013enej plan\u00e9ty. Cie\u013eom misi\u00ed je pochopi\u0165 ako sa z n\u00e1\u0161ho najbli\u017e\u0161ieho planet\u00e1rneho suseda stal svet podobn\u00fd peklu. <strong>Povrchov\u00e1 teplota plan\u00e9ty je 500 stup\u0148ov Celzia<\/strong>, t\u00e1to teplota je dostato\u010dne vysok\u00e1 na to, aby roztavila olovo. Venu\u0161a toti\u017eto kedysi mohla ma\u0165 podobn\u00e9 podmienky ako n\u00e1\u0161 domov- plan\u00e9ta Zem.<\/p>\n<p>Misie by sa mali uskuto\u010dni\u0165 v rokoch 2028-2030. Ako prv\u00e1 pravdepodobne polet\u00ed pr\u00e1ve sonda VERITAS. <strong>Na ka\u017ed\u00fa z misi\u00ed NASA poskytla dot\u00e1ciu o v\u00fd\u0161ke pribli\u017ene 500 mili\u00f3nov dol\u00e1rov<\/strong> (v prepo\u010dte pribli\u017ene 410 mili\u00f3nov eur).<\/p>\n<p>Toto rozhodnutie pote\u0161ilo mno\u017estvo planet\u00e1rnych vedcov. Najm\u00e4 t\u00fdch, ktor\u00fd mali pocit, \u017ee NASA n\u00e1\u0161ho najbli\u017e\u0161ieho planet\u00e1rneho suseda prehliadala na \u00fakor n\u00e1\u0161ho \u010fal\u0161ieho suseda- Marsu. Zatia\u013e \u010do pri v\u00fdskume Marsu vedie USA, vo v\u00fdskume Venu\u0161e viedol Sovietsky zv\u00e4z.<strong> ZSSR sa podarilo prv\u00e9 tvrd\u00e9 prist\u00e1tie na jej povrchu<\/strong> e\u0161te v roku 1966 (Venera-3) a n\u00e1sledne aj prv\u00e9 \u00faspe\u0161n\u00e9 prist\u00e1tie (Venera-7) o 4 roky nesk\u00f4r.<\/p>\n<p><iframe title=\"NASA&#039;s Return to Venus\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/Rf-nOV9LCRM?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>Venu\u0161a skr\u00fdva mno\u017estvo cenn\u00fdch inform\u00e1ci\u00ed, ktor\u00e9 by n\u00e1m pomohli lep\u0161ie pochopi\u0165 na\u0161u plan\u00e9tu Zem, ale aj exoplan\u00e9ty (plan\u00e9ty obiehaj\u00face okolo inej hviezdy ako je Slnko). <strong>Vedeli ste o tom, \u017ee sa t\u00e1to plan\u00e9ta naz\u00fdva aj dvoj\u010da\u0165om Zeme?<\/strong> Kamenn\u00fd svet Venu\u0161e sa v\u0161ak vyvinul odli\u0161ne od toho n\u00e1\u0161ho, ktor\u00fd je pln\u00fd \u017eivota, vody a prepychu. \u010co m\u00e1 Venu\u0161a spolo\u010dn\u00e9 so Zemou? Okrem toho, \u017ee je takmer rovnako ve\u013ek\u00e1, m\u00e1 aj \u017eelezn\u00e9 jadro.<\/p>\n<p>Jeden z najjasnej\u0161\u00edch objektov na no\u010dnej oblohe vzbudzuje v\u00e4\u010d\u0161\u00ed z\u00e1ujem aj kv\u00f4li zauj\u00edmav\u00e9mu objavu. T\u00edm vedcov tvrd\u00ed, \u017ee pomocou teleskopov zo Zeme objavili presved\u010div\u00fd d\u00f4kaz podporuj\u00faci <strong>existenciu mikroorganizmov \u017eij\u00facich v oblakoch Venu\u0161e<\/strong>. Teploty v t\u00fdchto v\u00fd\u0161kach toti\u017eto zost\u00e1vaj\u00fa prijate\u013ene tepl\u00e9, nie spa\u013euj\u00face. Svoje tvrdenie opieraj\u00fa o objav fosf\u00e1nu, ktor\u00fd by sa sem mohol dosta\u0165 ako odpadov\u00e1 l\u00e1tka poch\u00e1dzaj\u00faca zo \u017eij\u00facich organizmov.<\/p>\n<p>&nbsp;<\/p>\n<p>&quot;<em>Misie poskytn\u00fa \u0161ancu presk\u00fama\u0165 plan\u00e9tu, ktor\u00fa sme nenav\u0161t\u00edvili viac ne\u017e 30 rokov<\/em>&#8220; povedal predstavite\u013e Nasa Bill Nelson. Posledn\u00e1 sonda, ktor\u00e1 sa vydala na cestu na Venu\u0161u bola Magellan v roku 1990. Odvtedy plan\u00e9tu obiehali aj \u010fal\u0161ie kozmick\u00e9 lode z Eur\u00f3py a Japonska.<\/p>\n<p>\u00dalohou misie DAVINCI+ (Deep Atmosphete Venus Investigation of Noble gases, Chemistry, and Imaging) bude <strong>meranie atmosf\u00e9ry plan\u00e9ty<\/strong> za \u00fa\u010delom pochopenia jej vzniku a rozvoju. Misia sa zameria aj na zistenie, \u010di Venu\u0161a niekedy disponovala oce\u00e1nom alebo nie.<\/p>\n<p>Od DAVINCI+\u00a0 sa tie\u017e o\u010dak\u00e1vaj\u00fa aj <strong>prv\u00e9 fotografie povrchu plan\u00e9ty vo vysokom rozl\u00ed\u0161en\u00ed<\/strong>. Vedci predpokladaj\u00fa, \u017ee geologick\u00e9 vlastnosti Venu\u0161e s\u00fa porovnate\u013en\u00e9 s kontinentami Zeme. Nazna\u010duje sa aj mo\u017enos\u0165 existencie doskovej tektoniky.<\/p>\n DAVINCI+ na Venu\u0161u vy\u0161le sondu o priemere 1m, umeleck\u00e1 vizualiz\u00e1cia, Zdroj: NASA GSFC vizualiz\u00e1cia CI Labs Michael Lentz a \u010fal\u0161\u00edch\n<p>Druhou misiou je VERITAS (Venus Emissivity, Radio Science, InSAR, Topography, and Spectroscopy), ktor\u00e1 <strong>m\u00e1 zmapova\u0165 povrch plan\u00e9ty<\/strong> kv\u00f4li pochopeniu jej geologickej hist\u00f3rie a tie\u017e presk\u00fama\u0165, ako je mo\u017en\u00e9, \u017ee sa vyvinula tak odli\u0161ne od na\u0161ej Zeme.<\/p>\n<p>VERITAS pou\u017eije formu radaru, ktor\u00fd zmapuje povrchov\u00e9 elev\u00e1cie. Radar m\u00e1 zisti\u0165 aj to, <strong>\u010di sa na Venu\u0161i st\u00e1le objavuj\u00fa vulk\u00e1na a zemetrasenia<\/strong>.<\/p>\n<p>Tom Wagner z div\u00edzie planet\u00e1rnych vied NASA hovor\u00ed o tom, <strong>ako m\u00e1lo vieme o Venu\u0161i.<\/strong> Av\u0161ak dod\u00e1va, \u017ee kombin\u00e1cia v\u00fdsledkov z t\u00fdchto misi\u00ed n\u00e1m odhal\u00ed inform\u00e1cie z jej r\u00f4znych \u010dast\u00ed- od oblakov na oblohe cez vulk\u00e1na na jej povrchu a\u017e po jej jadro.<\/p>\n<p><strong>Rusko chce vo v\u00fdskume Venu\u0161e pokra\u010dova\u0165 tie\u017e<\/strong>. V roku 2029 pl\u00e1nuje od\u0161tartova\u0165 sondu Venera-D. Jej \u00falohou m\u00e1 by\u0165 mapovanie povrchu plan\u00e9ty pomocou radaru. Sonda m\u00e1 vypusti\u0165 aj prist\u00e1vac\u00ed modul.<\/p>\n<p style=\"text-align: right\"><strong>Zdroj:<\/strong>\u00a0 NASA, BBC, Cnet, Science Friday, Wikipedia, Pravda, SME, Techbox<\/p>","protected":false},"excerpt":{"rendered":"<p>Venu\u0161a sa kone\u010dne do\u010dk\u00e1 dostato\u010dnej pozornosti od NASA (Americk\u00fd n\u00e1rodn\u00fd \u00farad pre letectvo a vesm\u00edr). E\u0161te za\u010diatkom minul\u00e9ho roka NASA pridelila spolu 12 mili\u00f3nov dol\u00e1rov<\/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-7017","post","type-post","status-publish","format-standard","hentry","category-archiv","two-columns"],"_links":{"self":[{"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/posts\/7017","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=7017"}],"version-history":[{"count":0,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/posts\/7017\/revisions"}],"wp:attachment":[{"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/media?parent=7017"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/categories?post=7017"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/tags?post=7017"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}