{"id":12857,"date":"2021-04-20T18:55:24","date_gmt":"2021-04-20T21:55:24","guid":{"rendered":"https:\/\/mindthegraph.com\/blog\/?p=12857"},"modified":"2023-01-05T14:26:53","modified_gmt":"2023-01-05T17:26:53","slug":"interstellar-object-oumuamua-alien-craft","status":"publish","type":"post","link":"https:\/\/mindthegraph.com\/blog\/ro\/interstelar-object-oumuamua-alien-craft\/","title":{"rendered":"Este obiectul interstelar 'Oumuamua o nav\u0103 extraterestr\u0103?"},"content":{"rendered":"

\u00cen urm\u0103 cu pu\u021bin mai mult de trei ani a ap\u0103rut un obiect ciudat pe cer 2017. Denumit 'Oumuamua, obiectul a divizat comunitatea astronomic\u0103, st\u00e2rnind discu\u021bii despre natura sa.<\/p>\n\n\n\n

Un grup de cercet\u0103tori sus\u021bine c\u0103 acest corp interstelar a luat na\u0219tere prin eliberarea din c\u00e2mpul gravita\u021bional al unei alte planete, \u00een timp ce al\u021bii spun c\u0103 ar putea fi vorba de o nav\u0103 extraterestr\u0103, din cauza caracteristicilor sale foarte diferite de tot ceea ce s-a v\u0103zut p\u00e2n\u0103 acum.<\/p>\n\n\n\n

Care dintre aceste teorii este corect\u0103 r\u0103m\u00e2ne neclar\u0103.<\/p>\n\n\n\n

\u00centr-un episod al podcastului Joe Rogan Experience, Avi Loeb, fizician teoretician \u0219i profesor la Harvard, a vorbit cu comediantul american \u0219i gazda podcastului Joe Rogan \u00een ap\u0103rarea teoriei despre navele extraterestre.<\/p>\n\n\n\n

\u00cen cadrul podcastului Joe Rogan's, Loeb a explicat \u0219i a discutat ce l-a f\u0103cut s\u0103 ajung\u0103 la aceast\u0103 concluzie.<\/p>\n\n\n\n

\"La fel ca Sherlock Holmes, urm\u0103resc dovezile, \u00eencerc\u00e2nd s\u0103 g\u0103sesc solu\u021bia\", spune Loeb, dup\u0103 ce a fost \u00eentrebat de gazda podcastului despre 2020 pe care l-a cucerit polemica Oumuamua.<\/p>\n\n\n\n

Corpul interstelar a fost primul din afara sistemului solar care a vizitat \u00eemprejurimile noastre.<\/p>\n\n\n\n

\u00cen prima clip\u0103, astronomii au crezut c\u0103 ar putea fi o alt\u0103 comet\u0103 sau un asteroid. Cu toate acestea, caracteristicile lui 'Oumuamua nu se potriveau cu parametrii cometelor \u0219i asteroizilor.<\/p>\n\n\n\n

Loeb explic\u0103 faptul c\u0103 'Oumuamua nu era un obiect conven\u021bional, ci avea unele anomalii, unele caracteristici care nu sem\u0103nau cu niciun alt obiect spa\u021bial conven\u021bional deja v\u0103zut.<\/p>\n\n\n\n

Deoarece cometele obi\u0219nuite provin de la periferia sistemului solar, \u0219i alte stele au (sau cel pu\u021bin ar trebui s\u0103 aib\u0103) comete. \u00cen plus, aceste buc\u0103\u021bi de comete sunt slab legate la periferie \u0219i pot sc\u0103pa cu u\u0219urin\u021b\u0103 de steaua gazd\u0103 \u0219i pot c\u0103l\u0103tori \u00een direc\u021bii diferite.<\/p>\n\n\n\n

\u00cen ceea ce prive\u0219te faptul c\u0103 'Oumuamua ar fi o comet\u0103, Loeb i-a explicat lui Joe Rogan: \"cometele sunt roci acoperite cu ghea\u021b\u0103, atunci c\u00e2nd se apropie de Soare, suprafa\u021ba lor se \u00eenc\u0103lze\u0219te \u0219i ghea\u021ba se transform\u0103 \u00een vapori, iar \u00een spatele lor se vede aceast\u0103 frumoas\u0103 coad\u0103 cometar\u0103... \u00cen timp ce asteroizii sunt doar roci f\u0103r\u0103 prea mult\u0103 ghea\u021b\u0103 pe ele\".<\/p>\n\n\n\n

\u0218i a fost o problem\u0103 s\u0103 spunem c\u0103 'Oumuamua era o comet\u0103, deoarece nu exista o coad\u0103 cometar\u0103.<\/p>\n\n\n\n

Dincolo de lipsa unei cozi cometare, mai exista o alt\u0103 caracteristic\u0103 neobi\u0219nuit\u0103 pe care astronomia conven\u021bional\u0103 nu o putea explica:<\/p>\n\n\n\n

Corpul interstelar 'Oumuamua a avut un impuls \u00een plus pe o traiectorie \u00eendep\u0103rtat\u0103 de Soare.<\/p>\n\n\n\n

Loeb explic\u0103 faptul c\u0103 aceast\u0103 \u00eempingere suplimentar\u0103 este prezent\u0103 \u00een mod normal \u0219i este cauzat\u0103 de coada cometei.<\/p>\n\n\n\n

Procesul de evaporare a ghe\u021bii (la fel ca o rachet\u0103 care \u00ee\u0219i arde combustibilul) d\u0103 o \u00eempingere suplimentar\u0103 obiectului de roc\u0103 \u00een direc\u021bia opus\u0103, dar 'Oumuamua nu avea coad\u0103 de comet\u0103, a\u0219a c\u0103 de unde a venit aceast\u0103 \u00eempingere suplimentar\u0103?<\/p>\n\n\n\n

Loeb i-a \u00eemp\u0103rt\u0103\u0219it lui Joe Rogan c\u0103, \u00een acest moment, a \u00eenceput s\u0103 cread\u0103 c\u0103 poate 'Oumuamua nu era nici o comet\u0103, nici un asteroid, ci ar putea fi altceva, cum ar fi o nav\u0103 extraterestr\u0103.<\/p>\n\n\n\n

\u00cen plus, o alt\u0103 caracteristic\u0103 ciudat\u0103 a obiectului interstelar era luminozitatea acestuia.<\/p>\n\n\n\n

Str\u0103lucirea lui 'Oumuamua a schimbat reflec\u021bia luminii solare de un factor de zece, ceea ce ar putea \u00eensemna un format geometric specific.<\/p>\n\n\n\n

\"G\u00e2ndi\u021bi-v\u0103 la o bucat\u0103 de h\u00e2rtie foarte sub\u021bire care se rostogole\u0219te \u00een v\u00e2nt \u0219i care schimb\u0103 zona pe care o putem vedea. Schimb\u00e2nd suprafa\u021ba proiectat\u0103 a acelei buc\u0103\u021bi de h\u00e2rtie cu un factor de zece, \u00een timp ce o privim. Este exact ceea ce am dedus din acest obiect care se rote\u0219te la fiecare opt ore\", a declarat Loeb despre str\u0103lucirea ciudat\u0103 a obiectului interstelar.<\/p>\n\n\n\n

Acest factor m\u0103surat a dus la concluzia c\u0103 'Oumuamua are probabil o form\u0103 geometric\u0103 specific\u0103 \u0219i este cel mai probabil plat, la fel ca o foaie de h\u00e2rtie.<\/p>\n\n\n\n

\"Imagine<\/a><\/figure>\n\n\n\n

Recapitul\u00e2nd toate datele de mai sus, obiectul interstelar nu a prezentat urme de praf sau de gaz, sau orice alt material care ar putea explica acest impuls suplimentar. \u00cen plus, acesta avea o luminozitate neobi\u0219nuit\u0103, atribuit\u0103 formei sale.<\/p>\n\n\n\n

Loeb \u0219i echipa sa s-au \u00eentrebat ce ar putea explica toate aceste caracteristici ciudate.<\/p>\n\n\n\n

La r\u00e2ndul lor, ace\u0219tia au venit cu o teorie conform c\u0103reia poate c\u0103 obiectul interstelar era \u00eempins de lumina solar\u0103 reflectat\u0103 pe suprafa\u021ba sa. La fel cum \"v\u00e2nzarea este \u00eempins\u0103 de v\u00e2nt, po\u021bi \u00eempinge un obiect sub\u021bire \u0219i prin lumin\u0103, asta se nume\u0219te The Light Sail, iar noi chiar folosim aceast\u0103 tehnologie acum, dezvolt\u00e2nd-o pentru explorarea spa\u021bial\u0103\", spune Loeb pentru Joe Rogan.<\/p>\n\n\n\n

Pe l\u00e2ng\u0103 toate acestea, viteza lui 'Oumuamua era foarte neobi\u0219nuit\u0103.<\/p>\n\n\n\n

Obiectul spa\u021bial a fost at\u00e2t de rapid \u00eenc\u00e2t astronomii nu s-au putut g\u00e2ndi la o modalitate de a urm\u0103ri obiectul pentru a colecta mai multe informa\u021bii.<\/p>\n\n\n\n

\u00cen compara\u021bie cu rachetele lansate de pe P\u0103m\u00e2nt, 'Oumuamua a fost remarcabil de rapid\u0103, ceea ce i-a determinat pe astronomi s\u0103 exclud\u0103 posibilitatea ca aceasta s\u0103 fie o tehnologie originar\u0103 de pe P\u0103m\u00e2nt. <\/p>\n\n\n\n

Adun\u00e2nd toate informa\u021biile colectate de la obiectul spa\u021bial, Loeb \u0219i echipa sa au ajuns la concluzia c\u0103 acest obiect ar putea apar\u021bine unei alte civiliza\u021bii, adic\u0103 extratere\u0219trilor. <\/p>\n\n\n\n

Aceast\u0103 concluzie a st\u00e2rnit multe dezacorduri \u00een r\u00e2ndul astronomilor, ceea ce a dus la discu\u021biile pe care le-am v\u0103zut \u00een 2020 despre acest obiect ciudat care a ap\u0103rut pe cer \u00een 2017. <\/p>\n\n\n\n

Dac\u0103 'Oumuamua apar\u021bine sau nu extratere\u0219trilor, poate c\u0103 va fi nevoie de zeci de ani ca s\u0103 afl\u0103m. Sau poate c\u0103 nu vom \u0219ti niciodat\u0103, doar timpul ne va spune.<\/p>\n\n\n\n

Cu toate acestea, pe baza studiilor lui Loeb, 'Oumuamua nu a fost trimis\u0103 \u00een sistemul nostru solar de c\u0103tre extratere\u0219tri pentru a spiona P\u0103m\u00e2ntul.<\/p>\n\n\n\n

Poate c\u0103 a fost doar o tehnologie a unei nave extraterestre care s-a pierdut neinten\u021bionat, ca un gunoi spa\u021bial.<\/p>\n\n\n\n

\u00cen cele din urm\u0103, ceea ce trebuie s\u0103 re\u021binem de aici este c\u0103 ar trebui s\u0103 fim cu to\u021bii deschi\u0219i la toate posibilit\u0103\u021bile, inclusiv la cea a vie\u021bii dincolo de sistemul nostru solar.<\/p>\n\n\n\n

Episodul complet al podcastului cu Avi Loeb la The Joe Rogan Experience este disponibil acum pe Spotify. Dac\u0103 dori\u021bi, de asemenea, s\u0103 citi\u021bi despre acest subiect, iat\u0103 o list\u0103 de articole \u0219tiin\u021bifice publicate de Loeb \u0219i echipa sa. <\/p>\n\n\n\n

BIALY, S.; LOEB, A. Ar putea presiunea radia\u021biei solare s\u0103 explice accelera\u021bia singular\u0103 a lui `Oumuamua? Revista Astrophysical Journal<\/strong>, v. 868, n. 1, p. L1, nov. 2018<\/a>. <\/p>\n\n\n\n

FORBES, J. C.; LOEB, A. Turning up the Heat on `Oumuamua. Revista Astrophysical Journal<\/strong>, v. 875, n. 2, p. L23, abr. 2019.<\/a><\/p>\n\n\n\n

HOANG, T. et al. Spinup and Disruption of Interstellar Asteroids by Mechanical Torques, and Implications for 1I\/2017 U1 (`Oumuamua). Revista Astrophysical Journal<\/strong>, v. 860, n. 1, p. 42, iun. 2018.<\/a><\/p>\n\n\n\n

HOANG, T.; LOEB, A. Distrugerea hidrogenului molecular de ghea\u021b\u0103 \u0219i implica\u021biile pentru 1I\/2017 U1 (`Oumuamua). Revista Astrophysical Journal<\/strong>, v. 899, n. 2, p. L23, ago. 2020.<\/a><\/p>\n\n\n\n

SIRAJ, A.; LOEB, A. Geometria lui `Oumuamua ar putea fi mai extrem\u0103 dec\u00e2t se credea anterior. Note de cercetare ale AAS<\/strong>, v. 3, n. 1, p. 15, ian. 2019.<\/a><\/p>\n\n\n\n

___<\/p>\n\n\n\n


Stima\u021bi oameni de \u0219tiin\u021b\u0103 din domeniul astronomiei, \u00een Mind the Graph<\/a> avem planete<\/a>, galaxii<\/a>, comete<\/a>, sateli\u021bi<\/a>, \u0219i chiar astronau\u021bi<\/a> pe care le pute\u021bi utiliza \u00een rezumatele grafice, prezent\u0103rile, infografiile \u0219tiin\u021bifice pentru a v\u0103 face cercet\u0103rile mai frumoase \u0219i mai atractive pentru a ajunge la mai mul\u021bi oameni.<\/p>\n\n\n\n

Ideea platformei este c\u0103 pute\u021bi avea o autonomie total\u0103 pentru a v\u0103 putea comunica mai bine cercet\u0103rile, al\u0103tura\u021bi-v\u0103 nou\u0103 pentru a afla mai multe despre cum s\u0103 utiliza\u021bi platforma \u0219i s\u0103 v\u0103 comunica\u021bi cercetarea \u0219tiin\u021bific\u0103.<\/a><\/p>\n\n\n\n

\u00cencepe\u021bi s\u0103 folosi\u021bi platforma chiar acum, d\u00e2nd click aici! <\/a>    <\/p>","protected":false},"excerpt":{"rendered":"

\u00cen urm\u0103 cu pu\u021bin mai mult de trei ani a ap\u0103rut un obiect ciudat pe cer 2017. Denumit 'Oumuamua, obiectul a divizat comunitatea astronomic\u0103, st\u00e2rnind discu\u021bii despre natura sa. Un grup de cercet\u0103tori sus\u021bine c\u0103 acest corp interstelar a luat na\u0219tere prin ruperea din c\u00e2mpul gravita\u021bional al unei alte planete, \u00een timp ce al\u021bii spun c\u0103 poate ar putea [...]<\/p>","protected":false},"author":18,"featured_media":12870,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[66,959,958,28],"tags":[96,51,554,775],"yoast_head":"\nIs the interstellar object \u2018Oumuamua an alien craft? - MTG<\/title>\n<meta name=\"description\" content=\"\u2018Oumuamua, the interstellar object, has divided the Astronomy field, raising discussions about its nature. After all, is it or is it not an alien object?\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mindthegraph.com\/blog\/ro\/interstelar-object-oumuamua-alien-craft\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Is the interstellar object \u2018Oumuamua an alien craft?\" \/>\n<meta property=\"og:description\" content=\"\u2018Oumuamua, the interstellar object, has divided the Astronomy field, raising discussions about its nature. After all, is it or is it not an alien object?\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mindthegraph.com\/blog\/ro\/interstelar-object-oumuamua-alien-craft\/\" \/>\n<meta property=\"og:site_name\" content=\"Mind the Graph Blog\" \/>\n<meta property=\"article:published_time\" content=\"2021-04-20T21:55:24+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-01-05T17:26:53+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/04\/post-facebook-oumuamua.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"628\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Bruna Soldera\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Is the interstellar object \u2018Oumuamua an alien craft?\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/04\/post-twitter-oumuamua.jpg\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Bruna Soldera\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Is the interstellar object \u2018Oumuamua an alien craft? - MTG","description":"\u2018Oumuamua, the interstellar object, has divided the Astronomy field, raising discussions about its nature. After all, is it or is it not an alien object?","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/mindthegraph.com\/blog\/ro\/interstelar-object-oumuamua-alien-craft\/","og_locale":"ro_RO","og_type":"article","og_title":"Is the interstellar object \u2018Oumuamua an alien craft?","og_description":"\u2018Oumuamua, the interstellar object, has divided the Astronomy field, raising discussions about its nature. After all, is it or is it not an alien object?","og_url":"https:\/\/mindthegraph.com\/blog\/ro\/interstelar-object-oumuamua-alien-craft\/","og_site_name":"Mind the Graph Blog","article_published_time":"2021-04-20T21:55:24+00:00","article_modified_time":"2023-01-05T17:26:53+00:00","og_image":[{"width":1200,"height":628,"url":"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/04\/post-facebook-oumuamua.jpg","type":"image\/jpeg"}],"author":"Bruna Soldera","twitter_card":"summary_large_image","twitter_title":"Is the interstellar object \u2018Oumuamua an alien craft?","twitter_image":"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/04\/post-twitter-oumuamua.jpg","twitter_misc":{"Written by":"Bruna Soldera","Est. reading time":"6 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/mindthegraph.com\/blog\/interstellar-object-oumuamua-alien-craft\/","url":"https:\/\/mindthegraph.com\/blog\/interstellar-object-oumuamua-alien-craft\/","name":"Is the interstellar object \u2018Oumuamua an alien craft? - MTG","isPartOf":{"@id":"https:\/\/mindthegraph.com\/blog\/#website"},"datePublished":"2021-04-20T21:55:24+00:00","dateModified":"2023-01-05T17:26:53+00:00","author":{"@id":"https:\/\/mindthegraph.com\/blog\/#\/schema\/person\/6a3f0be2cd19879e0b9b54457a069602"},"description":"\u2018Oumuamua, the interstellar object, has divided the Astronomy field, raising discussions about its nature. After all, is it or is it not an alien object?","breadcrumb":{"@id":"https:\/\/mindthegraph.com\/blog\/interstellar-object-oumuamua-alien-craft\/#breadcrumb"},"inLanguage":"ro-RO","potentialAction":[{"@type":"ReadAction","target":["https:\/\/mindthegraph.com\/blog\/interstellar-object-oumuamua-alien-craft\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/mindthegraph.com\/blog\/interstellar-object-oumuamua-alien-craft\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/mindthegraph.com\/blog\/"},{"@type":"ListItem","position":2,"name":"Is the interstellar object \u2018Oumuamua an alien craft?"}]},{"@type":"WebSite","@id":"https:\/\/mindthegraph.com\/blog\/#website","url":"https:\/\/mindthegraph.com\/blog\/","name":"Mind the Graph Blog","description":"Your science can be beautiful!","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/mindthegraph.com\/blog\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"ro-RO"},{"@type":"Person","@id":"https:\/\/mindthegraph.com\/blog\/#\/schema\/person\/6a3f0be2cd19879e0b9b54457a069602","name":"Bruna Soldera","image":{"@type":"ImageObject","inLanguage":"ro-RO","@id":"https:\/\/mindthegraph.com\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/93afc55eb938f215d2b7a23322de49be?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/93afc55eb938f215d2b7a23322de49be?s=96&d=mm&r=g","caption":"Bruna Soldera"},"sameAs":["http:\/\/mindthegraph.com","https:\/\/www.linkedin.com\/in\/bruna-soldera-826426126\/"],"url":"https:\/\/mindthegraph.com\/blog\/ro\/author\/bruna\/"}]}},"_links":{"self":[{"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/posts\/12857"}],"collection":[{"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/users\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/comments?post=12857"}],"version-history":[{"count":7,"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/posts\/12857\/revisions"}],"predecessor-version":[{"id":26025,"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/posts\/12857\/revisions\/26025"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/media\/12870"}],"wp:attachment":[{"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/media?parent=12857"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/categories?post=12857"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/tags?post=12857"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}