{"id":971,"date":"2005-09-09T08:18:00","date_gmt":"2005-09-09T06:18:00","guid":{"rendered":"https:\/\/kids.esa.int\/cannibal_star_eats_companion\/"},"modified":"2026-10-08T00:34:22","modified_gmt":"2026-10-07T22:34:22","slug":"cannibal_star_eats_companion","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/pl\/cannibal_star_eats_companion\/","title":{"rendered":"Gwiazda filmu \u201eKanibal\u201d zjada swojego towarzysza"},"content":{"rendered":"<div class=\"lede\">\n<p>Obserwatorium kosmiczne Integral nale\u017c\u0105ce do ESA po raz pierwszy odkry\u0142o szybko obracaj\u0105c\u0105 si\u0119 gwiazd\u0119, kt\u00f3ra poch\u0142ania swoj\u0105 mniejsz\u0105 s\u0105siadk\u0119.<\/p>\n<\/div>\n<p>Ta wiruj\u0105ca gwiazda nie jest zwyk\u0142\u0105 gwiazd\u0105. Pierwotnie mia\u0142a co najmniej osiem razy wi\u0119ksz\u0105 mas\u0119 ni\u017c S\u0142o\u0144ce, a obecnie skurczy\u0142a si\u0119 do postaci niezwykle g\u0119stej gwiazdy neutronowej o \u015brednicy zaledwie 20 km. Jedna \u0142y\u017ceczka jej materii wa\u017cy\u0142aby oko\u0142o miliarda ton.<\/p>\n<p>Chocia\u017c gwiazda neutronowa jest o wiele za ma\u0142a, by mo\u017cna j\u0105 by\u0142o dostrzec za pomoc\u0105 zwyk\u0142ego teleskopu, mo\u017cna j\u0105 zaobserwowa\u0107 w promieniowaniu rentgenowskim. Zosta\u0142a odkryta przez satelit\u0119 Integral podczas rutynowego skanowania nieba 2 grudnia 2004 r., kiedy to nagle wyemitowa\u0142a pot\u0119\u017cny rozb\u0142ysk rentgenowski.<\/p>\n<figure class=\"wp-block-image size-natural\" data-width=\"400\" data-credit=\"NASA\/Dana Berry\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2005\/08\/Animation_of_a_pulsar_eating_material_from_companion_star2\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2005\/08\/animation_of_a_pulsar_eating_material_from_companion_star2\/17903491-2-eng-GB\/Animation_of_a_pulsar_eating_material_from_companion_star.jpg\" alt=\"Animation of a pulsar &#x27;eating&#x27; material from companion star\"><figcaption>Animacja przedstawiaj\u0105ca pulsar 'poch\u0142aniaj\u0105cy' materi\u0119 z gwiazdy towarzysz\u0105cej<\/figcaption><\/figure>\n<p>Pomiary przeprowadzone przez satelit\u0119 Integral oraz sond\u0119 kosmicznego programu NASA \u2018Rossi X-ray Timing Explorer\u2019 wskazuj\u0105, \u017ce ta \u201ekanibaliczna\u201d gwiazda jest \u201epulsarem\u201d \u2013 szybko obracaj\u0105c\u0105 si\u0119 gwiazd\u0105 neutronow\u0105. W rzeczywisto\u015bci jest to jeden z najszybciej obracaj\u0105cych si\u0119 pulsar\u00f3w, jakie kiedykolwiek odkryto. Obecnie obraca si\u0119 z zawrotn\u0105 pr\u0119dko\u015bci\u0105 \u2013 oko\u0142o 600 razy na sekund\u0119 \u2013 i stopniowo nabiera jeszcze wi\u0119kszej pr\u0119dko\u015bci.<\/p>\n<p>Proces rozkr\u0119cania zachodzi, gdy gaz wyrwany z gwiazdy towarzysz\u0105cej uderza w powierzchni\u0119. To gwa\u0142towne zasilanie rozgrzewa go do temperatury prawie miliarda stopni, powoduj\u0105c emisj\u0119 ogromnych ilo\u015bci promieniowania rentgenowskiego i gamma.<\/p>\n<p>Tymczasem gwiazda towarzysz\u0105ca skurczy\u0142a si\u0119 ju\u017c do u\u0142amka rozmiar\u00f3w naszego S\u0142o\u0144ca \u2013 by\u0107 mo\u017ce do zaledwie 40 mas Jowisza. Obie gwiazdy znajduj\u0105 si\u0119 tak blisko siebie, \u017ce zmie\u015bci\u0142yby si\u0119 w promieniu S\u0142o\u0144ca. Aby przetrwa\u0107, kurcz\u0105ca si\u0119 gwiazda kr\u0105\u017cy wok\u00f3\u0142 swojej s\u0105siadki \u2013 gwiazdy neutronowej \u2013 w zaledwie 2,5 godziny.<\/p>","protected":false},"excerpt":{"rendered":"<p>ESA\u2019s Integral space observatory has made its first discovery of a fast-spinning star that is swallowing its smaller neighbour. The star in a spin is no ordinary star. Originally at [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2005\/08\/artist_s_impression_of_a_pulsar_eating_a_companion_star2\/17883880-2-eng-GB\/Artist_s_impression_of_a_pulsar_eating_a_companion_star.jpg","esa_banner_description":"Artist's impression of a pulsar 'eating' a companion star","esa_banner_credit":"NASA\/Dana Berry","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2005\/08\/Artist_s_impression_of_a_pulsar_eating_a_companion_star2","esa_external_url":"","esa_external_new_window":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[26],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-971","post","type-post","status-publish","format-standard","hentry","category-news"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/pl\/wp-json\/wp\/v2\/posts\/971","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/pl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/pl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/pl\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/pl\/wp-json\/wp\/v2\/comments?post=971"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/pl\/wp-json\/wp\/v2\/posts\/971\/revisions"}],"predecessor-version":[{"id":4764,"href":"https:\/\/kids.esa.int\/pl\/wp-json\/wp\/v2\/posts\/971\/revisions\/4764"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/pl\/wp-json\/wp\/v2\/media?parent=971"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/pl\/wp-json\/wp\/v2\/categories?post=971"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/pl\/wp-json\/wp\/v2\/tags?post=971"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/pl\/wp-json\/wp\/v2\/panel?post=971"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/pl\/wp-json\/wp\/v2\/language?post=971"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/pl\/wp-json\/wp\/v2\/age?post=971"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/pl\/wp-json\/wp\/v2\/duration?post=971"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/pl\/wp-json\/wp\/v2\/resource_type?post=971"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/pl\/wp-json\/wp\/v2\/audience?post=971"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/pl\/wp-json\/wp\/v2\/wf_post_folders?post=971"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}