{"id":1293,"date":"2015-02-03T10:02:00","date_gmt":"2015-02-03T08:02:00","guid":{"rendered":"http:\/\/www.astrobobo.net\/?p=1293"},"modified":"2023-07-12T08:48:16","modified_gmt":"2023-07-12T06:48:16","slug":"video-suncevim-sustavom-brzinom-svjetlosti","status":"publish","type":"post","link":"http:\/\/www.astrobobo.net\/?p=1293","title":{"rendered":"Video &#8211; Sun\u010devim sustavom brzinom svjetlosti"},"content":{"rendered":"<p>\u010cesto se u ud\u017ebenicima i popularnim \u010dlancima mogu vidjeti informacije da svjetlosti treba oko 8 minuta da do\u0111e od Sunca do Zemlje. Zanimljiv podatak i \u010dini se da je brzina svjetlosti (300 000 km\/s) relativno brza. Alphonse Swinehart potrudio se napraviti fantasti\u010dnu animaciju koja do\u010darava put fotona iz sredi\u0161ta Sunca brzinom svjetlosti. Animacija traje 45 minuta, a za to vrijeme &#8220;stignemo&#8221; do Jupitera. Sljede\u0107i planet, Saturn, jo\u0161 je dvostruko toliko udaljen!<\/p>\n<p><iframe src=\"\/\/player.vimeo.com\/video\/117815404\" width=\"500\" height=\"270\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p><a href=\"http:\/\/vimeo.com\/117815404\">Riding Light<\/a> from <a href=\"http:\/\/vimeo.com\/aswinehart\">Alphonse Swinehart<\/a> on <a href=\"https:\/\/vimeo.com\">Vimeo<\/a>.<\/p>\n<p>Poku\u0161ajte pogledati video u stvarnom vremenu barem do Zemlje. Zgodno je \u0161to se na putu do Jupitera susre\u0107u neki ve\u0107i asteroidi i patuljasti planet Ceres. Ipak, u toj praznini, \u010dini se da vrijeme protje\u010de jaaako sporo \ud83d\ude2f\u00a0 i vrlo se dobro dobiva utisak veli\u010dine svemira. Treba se prisjetiti da je najbli\u017ea zvijezda udaljena ne\u0161to vi\u0161e od 4 svjetlosne godine&#8230;<\/p>\n<p>&#8220;Prohodati&#8221; Sun\u010devim sustavom mogu\u0107e je uz pomo\u0107 <a href=\"http:\/\/en.wikipedia.org\/wiki\/Nine_Views\" target=\"_blank\" rel=\"noopener\">umjetni\u010dke instalacije &#8220;Devet pogleda&#8221;<\/a> autora<a href=\"http:\/\/www.daworp.com\/master_intro2.html\" target=\"_blank\" rel=\"noopener\"> Davora Preisa<\/a>. Polazak je od <a href=\"http:\/\/spomenik.pbworks.com\/w\/page\/38607218\/Prizemljeno%20sunce\" target=\"_blank\" rel=\"noopener\">Ko\u017eari\u0107evog &#8220;Prizemljenog Sunca&#8221;<\/a> (na linku je detaljan opis originalnog djela i analiza instalacije) u Bogovi\u0107evoj ulici u Zagrebu, a planeti su raspore\u0111eni po gradu na odgovaraju\u0107im udaljenostima i u stvarnom omjeru.<\/p>\n<p>Ako \u0107emo pravo, video ne prikazuje realno proticanje vremena za putnika, odnosno foton koji se giba brzinom svjetlosti ve\u0107 iz perspektive protjecanja vremena za stacionarnog promatra\u010da. Naime, teorija relativiteta ka\u017ee da <a href=\"http:\/\/en.wikipedia.org\/wiki\/Special_relativity#Time_dilation\" target=\"_blank\" rel=\"noopener\">vrijeme protje\u010de br\u017ee \u0161to se promatra\u010d br\u017ee giba<\/a>. Brzinom svjetlosti vrijeme prolazi beskona\u010dno brzo pa bi ovaj foton bio istovremeno kod Merkura, Venere, Zemlje&#8230;tj. video bi trajao 0 sekundi \ud83d\ude0e<\/p>\n<p>Za kraj pogledajte realan odnos veli\u010dine i udaljenosti Zemlje i Mjeseca, najudaljenijeg mjesta kojeg je \u010dovje\u010danstvo do sada posjetilo.<\/p>\n<figure id=\"attachment_1294\" aria-describedby=\"caption-attachment-1294\" style=\"width: 584px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.astrobobo.net\/wordpress\/wp-content\/uploads\/2015\/02\/Zemlja-Mjesec.jpg\"><img fetchpriority=\"high\" decoding=\"async\" data-attachment-id=\"1294\" data-permalink=\"http:\/\/www.astrobobo.net\/?attachment_id=1294\" data-orig-file=\"http:\/\/www.astrobobo.net\/wordpress\/wp-content\/uploads\/2015\/02\/Zemlja-Mjesec.jpg\" data-orig-size=\"5760,1800\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Zemlja-Mjesec\" data-image-description=\"&lt;p&gt;Udaljenost i veli\u010dina Zemlje i Mjeseca ju stvarnom omjeru.&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"http:\/\/www.astrobobo.net\/wordpress\/wp-content\/uploads\/2015\/02\/Zemlja-Mjesec-1024x320.jpg\" class=\"wp-image-1294 size-large\" src=\"http:\/\/www.astrobobo.net\/wordpress\/wp-content\/uploads\/2015\/02\/Zemlja-Mjesec-1024x320.jpg\" alt=\"Zemlja-Mjesec\" width=\"584\" height=\"183\" srcset=\"http:\/\/www.astrobobo.net\/wordpress\/wp-content\/uploads\/2015\/02\/Zemlja-Mjesec-1024x320.jpg 1024w, http:\/\/www.astrobobo.net\/wordpress\/wp-content\/uploads\/2015\/02\/Zemlja-Mjesec-300x94.jpg 300w, http:\/\/www.astrobobo.net\/wordpress\/wp-content\/uploads\/2015\/02\/Zemlja-Mjesec-550x172.jpg 550w, http:\/\/www.astrobobo.net\/wordpress\/wp-content\/uploads\/2015\/02\/Zemlja-Mjesec-500x156.jpg 500w\" sizes=\"(max-width: 584px) 100vw, 584px\" \/><\/a><figcaption id=\"caption-attachment-1294\" class=\"wp-caption-text\">Udaljenost i veli\u010dina Zemlje i Mjeseca u realnom omjeru.<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u010cesto se u ud\u017ebenicima i popularnim \u010dlancima mogu vidjeti informacije da svjetlosti treba oko 8 minuta da do\u0111e od Sunca do Zemlje. Zanimljiv podatak i \u010dini se da je brzina svjetlosti (300 000 km\/s) relativno brza. Alphonse Swinehart potrudio se napraviti fantasti\u010dnu animaciju koja do\u010darava put fotona iz sredi\u0161ta Sunca brzinom svjetlosti. Animacija traje 45 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1298,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"gallery","meta":{"_acf_changed":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[123],"tags":[71,97,75,76],"class_list":["post-1293","post","type-post","status-publish","format-gallery","has-post-thumbnail","hentry","category-video","tag-astronomija","tag-planeti","tag-svemir","tag-udaljenost","post_format-post-format-gallery"],"acf":[],"aioseo_notices":[],"jetpack_featured_media_url":"http:\/\/www.astrobobo.net\/wordpress\/wp-content\/uploads\/2015\/02\/sun-earth-moon.png","jetpack_sharing_enabled":true,"amp_enabled":true,"_links":{"self":[{"href":"http:\/\/www.astrobobo.net\/index.php?rest_route=\/wp\/v2\/posts\/1293","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.astrobobo.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.astrobobo.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.astrobobo.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.astrobobo.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1293"}],"version-history":[{"count":5,"href":"http:\/\/www.astrobobo.net\/index.php?rest_route=\/wp\/v2\/posts\/1293\/revisions"}],"predecessor-version":[{"id":3482,"href":"http:\/\/www.astrobobo.net\/index.php?rest_route=\/wp\/v2\/posts\/1293\/revisions\/3482"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.astrobobo.net\/index.php?rest_route=\/wp\/v2\/media\/1298"}],"wp:attachment":[{"href":"http:\/\/www.astrobobo.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1293"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.astrobobo.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1293"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.astrobobo.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1293"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}