{"id":6558,"date":"2020-07-13T00:00:00","date_gmt":"2020-07-12T23:00:00","guid":{"rendered":"https:\/\/instrid.sk\/uncategorized\/satelity-starlink-od-spacex-uz-nebudu-robit-astronomom-problemy-dostali-vylepsenia\/"},"modified":"2020-07-13T00:00:00","modified_gmt":"2020-07-12T23:00:00","slug":"satelity-starlink-od-spacex-uz-nebudu-robit-astronomom-problemy-dostali-vylepsenia","status":"publish","type":"post","link":"https:\/\/instrid.sk\/en\/archiv\/satelity-starlink-od-spacex-uz-nebudu-robit-astronomom-problemy-dostali-vylepsenia\/","title":{"rendered":"Satelity Starlink od SpaceX u\u017e nebud\u00fa robi\u0165 astron\u00f3mom probl\u00e9my, dostali vylep\u0161enia"},"content":{"rendered":"<p>Po dvoch ne\u00faspe\u0161n\u00fdch pokusoch v j\u00fani a minul\u00fa stredu bola spolo\u010dnos\u0165 SpaceX pripraven\u00e1 dopravi\u0165 v porad\u00ed u\u017e desiatu d\u00e1vku satelitov Starlink na obe\u017en\u00fa dr\u00e1hu. Pre nevhodn\u00e9 poveternostn\u00e9 podmienky sa v\u0161ak ani tento pl\u00e1novan\u00fd \u0161tart (11. j\u00fala 2020) neuskuto\u010dnil.<\/p>\n<p>Sobotn\u00e1 misia mala na be\u017en\u00fa dr\u00e1hu posla\u0165 57 satelitov Starlink a dva satelity geopriestorovej inteligencie (BlackSky Global 7 a 8), ktor\u00e9 vytvorila spolo\u010dnos\u0165 Spaceflight Industries, Inc. v r\u00e1mci nov\u00e9ho programu spolupr\u00e1ce so SpaceX .<\/p>\n<p>Od svojho prv\u00e9ho uvedenia na trh Starlink minul\u00fd m\u00e1j, SpaceX vyslal na obe\u017en\u00fa dr\u00e1hu Zeme takmer 600 satelitov, v\u010faka \u010domu je kon\u0161tel\u00e1cia dostato\u010dne ve\u013ek\u00e1 na to, aby poskytovala internetov\u00e9 pripojenie pre viacer\u00e9 lokality na Zemi, vr\u00e1tane Muskovho domu v Los Angeles. Glob\u00e1lne pokrytie si bude vy\u017eadova\u0165 \u010fal\u0161\u00edch 900 satelitov alebo pribli\u017ene 14 \u010fal\u0161\u00edch \u0161tartov. A ka\u017ed\u00e9 \u010fal\u0161ie spustenie potom zv\u00fd\u0161i kapacitu slu\u017eby.<\/p>\n<p>&nbsp;<\/p>\n<h3>Satelity u\u017e nebude vidie\u0165<\/h3>\n<p>Doteraj\u0161ie satelity v\u0161ak u\u017e ob\u0165a\u017eovali mnoho profesion\u00e1lnych astron\u00f3mov, ktor\u00ed sa s\u0165a\u017euj\u00fa, \u017ee tieto satelity s\u00fa pr\u00edli\u0161 dobre vidite\u013en\u00e9 a nar\u00fa\u0161aj\u00fa tak vedeck\u00e9 pozorovania. Niektor\u00ed astron\u00f3movia pri vykon\u00e1van\u00ed pravideln\u00fdch v\u00fdskumn\u00fdch \u00faloh dokonca zachytili re\u0165azce satelitov Starlink, ktor\u00e9 lietaj\u00fa nad ich \u010falekoh\u013eadmi. S\u00edce pomerovo zaberaj\u00fa iba mal\u00fa \u010das\u0165 obrazu, ktor\u00fd astron\u00f3movia sleduj\u00fa, n\u00e1padn\u00e9 biele \u010diary na oblohe im nerobia rados\u0165.<\/p>\n<p>https:\/\/twitter.com\/lcjohnso\/status\/1196370554414125056<\/p>\n<p>Tento efekt by v\u0161ak u\u017e nemal by\u0165 probl\u00e9mom, preto\u017ee ho SpaceX odstr\u00e1nila. V\u0161etky nov\u00e9 satelity Starlink maj\u00fa ak\u00fdsi \u201eslne\u010dn\u00edk\u201c, ktor\u00fd sa naz\u00fdva \u201eVisorSat\u201c. Ten odklon\u00ed slne\u010dn\u00e9 svetlo a zn\u00ed\u017ei jas satelitov, aby neboli vidite\u013en\u00e9 \u010falekoh\u013eadmi zo Zeme. Toto nov\u00e9 zariadenie bolo testovan\u00e9 na jednom satelite pri spusten\u00ed minul\u00fd mesiac.<\/p>\n<p>Na kritick\u00fdch miestach na orbite Zeme, kedy sa do \u010falekoh\u013eadov odr\u00e1\u017ea slne\u010dn\u00e9 svetlo, bud\u00fa satelity vykon\u00e1va\u0165 man\u00e9ver s miernym rolovan\u00edm sol\u00e1rneho panela, aby na povrch odrazil ove\u013ea menej svetla.<\/p>\n<p>Medzi \u010fal\u0161ie rie\u0161enia, ktor\u00e9 SpaceX testoval, patr\u00ed tmav\u00fd satelitn\u00fd po\u0165ah s n\u00e1zvom \u201eDarkSat\u201c. Spolo\u010dnos\u0165 v\u0161ak nena\u0161la dostato\u010dn\u00e9 d\u00f4kazy preukazuj\u00face jeho \u00fa\u010dinnos\u0165, okrem toho tmav\u00fd povrch sp\u00f4soboval na orbite zohrievanie, pohlcovanie infra\u010derven\u00e9ho \u017eiarenia.<\/p>\n<p>\u201eV\u0161etky satelity Starlink v tomto lete s\u00fa vybaven\u00e9 nasadite\u013en\u00fdm krytom, ktor\u00fd zabr\u00e1ni slne\u010dn\u00e9mu \u017eiareniu v zasiahnut\u00ed ich najjasnej\u0161\u00edch miest,\u201c uviedol SpaceX o p\u00f4vodne pl\u00e1novanej misii na svojej webovej str\u00e1nke o opatren\u00ed, ktor\u00e9 prijal v r\u00e1mci spolupr\u00e1ce s popredn\u00fdmi astronomick\u00fdmi skupinami na zmiernenie odrazivosti satelitov.<\/p>\n<p>Desiata d\u00e1vka satelitov sa teda na orbit nevyslala, \u010d\u00edm sa pravdepodobne ovplyvn\u00ed aj term\u00edn \u0161tartu jeden\u00e1stej d\u00e1vky. Na margo tejto veci je potrebn\u00e9 uvies\u0165, \u017ee pre SpaceX je bezpe\u010dnos\u0165 prioritou a riskova\u0165 stratu mili\u00e1rd americk\u00fdch dol\u00e1rov v podobe \u0161pi\u010dkov\u00fdch zariaden\u00ed a pr\u00edpadne aj samotn\u00e9ho nosi\u010da je nad \u00fanosnou mierou rizika.<\/p>\n<p>Ka\u017ed\u00fd zo satelitov m\u00e1 hmotnos\u0165 260 kilogramov, s\u00fa vybaven\u00e9 senzormi pre monitorovanie okolia a n\u00e1sledne vyh\u00fdbacie man\u00e9vre, individu\u00e1lne sleduj\u00fa okolit\u00e9 hviezdy pre prec\u00edzne ur\u010dovanie polohy a vo vesm\u00edrnom priestore sa pohybuj\u00fa v\u010faka i\u00f3nov\u00e9mu pohonu z krypt\u00f3nu, ako prv\u00e9 na svete. Energiu na svoju \u010dinnos\u0165 z\u00edskavaj\u00fa z jedn\u00e9ho sol\u00e1rneho panelu pozost\u00e1vaj\u00faceho z 24 modulov.<\/p>\n<p>Spolo\u010dnos\u0165 pris\u013e\u00fabila poskytn\u00fa\u0165 z\u00e1kladn\u00e9 internetov\u00e9 slu\u017eby v USA a Kanade do konca roka a dosiahnu\u0165 glob\u00e1lne pokrytie do roku 2021.<\/p>\n<p>&nbsp;<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"eRSFEbIRoz\"><p><a href=\"https:\/\/www.unitedlife.sk\/spacex-pripoji-na-internet-cely-svet-muskov-plan-je-velmi-ambiciozny-a-narocny\/\" rel=\"nofollow noopener\" target=\"_blank\">SpaceX pripoj\u00ed na internet cel\u00fd svet. Muskov pl\u00e1n je ve\u013emi ambici\u00f3zny a n\u00e1ro\u010dn\u00fd<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;SpaceX pripoj\u00ed na internet cel\u00fd svet. Muskov pl\u00e1n je ve\u013emi ambici\u00f3zny a n\u00e1ro\u010dn\u00fd&#8221; &#8212; UnitedLife\" src=\"https:\/\/www.unitedlife.sk\/spacex-pripoji-na-internet-cely-svet-muskov-plan-je-velmi-ambiciozny-a-narocny\/embed\/#?secret=O99icivldK#?secret=eRSFEbIRoz\" data-secret=\"eRSFEbIRoz\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"d7rGZKaDf2\"><p><a href=\"https:\/\/www.unitedlife.sk\/spacex-nasa-let-astronautov-na-iss\/\" rel=\"nofollow noopener\" target=\"_blank\">SpaceX a NASA sa podaril let \u013eud\u00ed do vesm\u00edru. Pre\u010do je to historick\u00e1 udalos\u0165, ke\u010f u\u017e \u013eudia na ISS lietaj\u00fa?<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;SpaceX a NASA sa podaril let \u013eud\u00ed do vesm\u00edru. Pre\u010do je to historick\u00e1 udalos\u0165, ke\u010f u\u017e \u013eudia na ISS lietaj\u00fa?&#8221; &#8212; UnitedLife\" src=\"https:\/\/www.unitedlife.sk\/spacex-nasa-let-astronautov-na-iss\/embed\/#?secret=IBM1TRELsC#?secret=d7rGZKaDf2\" data-secret=\"d7rGZKaDf2\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<p>&nbsp;<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"Gli3UecGb5\"><p><a href=\"https:\/\/www.unitedlife.sk\/fakty-o-spacex-elon-musk\/\" rel=\"nofollow noopener\" target=\"_blank\">Enormne zn\u00ed\u017een\u00e9 n\u00e1klady i posielanie popola na orbit. V\u00fdber \u00fa\u017easn\u00fdch faktov o SpaceX<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;Enormne zn\u00ed\u017een\u00e9 n\u00e1klady i posielanie popola na orbit. V\u00fdber \u00fa\u017easn\u00fdch faktov o SpaceX&#8221; &#8212; UnitedLife\" src=\"https:\/\/www.unitedlife.sk\/fakty-o-spacex-elon-musk\/embed\/#?secret=zFjjqHIbP0#?secret=Gli3UecGb5\" data-secret=\"Gli3UecGb5\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"dkCpK7YtHI\"><p><a href=\"https:\/\/www.unitedlife.sk\/space-x-vynesie-na-orbit-satelity-systemu-o3b-mpower\/\" rel=\"nofollow noopener\" target=\"_blank\">SpaceX vynesie na orbit satelity superr\u00fdchleho internetu<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;SpaceX vynesie na orbit satelity superr\u00fdchleho internetu&#8221; &#8212; UnitedLife\" src=\"https:\/\/www.unitedlife.sk\/space-x-vynesie-na-orbit-satelity-systemu-o3b-mpower\/embed\/#?secret=vpik7evgc8#?secret=dkCpK7YtHI\" data-secret=\"dkCpK7YtHI\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"7Vu5hnKOwH\"><p><a href=\"https:\/\/www.unitedlife.sk\/zivot-astronautov-na-marse-nebude-jednoduchy-dostanu-taketo-domy\/\" rel=\"nofollow noopener\" target=\"_blank\">Life for astronauts on Mars won&#039;t be easy, they&#039;ll get &quot;houses&quot; like this<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;\u017divot astronautov na Marse nebude jednoduch\u00fd, dostan\u00fa tak\u00e9to \u201edomy\u201c&#8221; &#8212; UnitedLife\" src=\"https:\/\/www.unitedlife.sk\/zivot-astronautov-na-marse-nebude-jednoduchy-dostanu-taketo-domy\/embed\/#?secret=2yYow8PVEF#?secret=7Vu5hnKOwH\" data-secret=\"7Vu5hnKOwH\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Ambici\u00f3zny projekt Starlink spolo\u010dnosti SpaceX , ktor\u00fd zah\u0155\u0148a zasielanie desiatok tis\u00edc satelitov na obe\u017en\u00fa dr\u00e1hu Zeme, sa mal v sobotu posun\u00fa\u0165 o krok bli\u017e\u0161ie k svojmu cie\u013eu, ktor\u00fdm je poskytovanie glob\u00e1lneho \u0161irokop\u00e1smov\u00e9ho internetov\u00e9ho pokrytia \u010fal\u0161\u00edm spusten\u00edm. U\u017e tret\u00edkr\u00e1t sa v\u0161ak \u0161tart \u010fal\u0161\u00edch satelitov odlo\u017eil.<\/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-6558","post","type-post","status-publish","format-standard","hentry","category-archiv","two-columns"],"_links":{"self":[{"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/posts\/6558","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=6558"}],"version-history":[{"count":0,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/posts\/6558\/revisions"}],"wp:attachment":[{"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/media?parent=6558"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/categories?post=6558"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/tags?post=6558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}