{"id":132903,"date":"2026-03-19T14:32:44","date_gmt":"2026-03-19T14:32:44","guid":{"rendered":"https:\/\/www.europesays.com\/lt\/132903\/"},"modified":"2026-03-19T14:32:44","modified_gmt":"2026-03-19T14:32:44","slug":"kosmose-katastrofiskas-sprogimas-susidure-dvi-planetos","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/lt\/132903\/","title":{"rendered":"Kosmose \u2013 katastrofi\u0161kas sprogimas: susid\u016br\u0117 dvi planetos"},"content":{"rendered":"

Tokie susid\u016brimai grei\u010diausiai vyksta santykinai da\u017enai, ta\u010diau steb\u0117ti juos tolimose sistemose itin sunku \u2013 reikia, kad nuolau\u017eos skriet\u0173 tiesiai tarp m\u016bs\u0173 ir \u017evaig\u017ed\u0117s, ir kad nei\u0161sisklaidyt\u0173 pakankamai ilgai, jog teleskopai jas pagaut\u0173. <\/p>\n

Naujame tyrime <\/a>pristatoma sen\u0173 duomen\u0173 analiz\u0117, kurioje aptikta \u017evaig\u017ed\u0117 Gaia20ehk, kurios aplinkoje neseniai grei\u010diausiai \u012fvyko toks susid\u016brimas. <\/p>\n

\"Planet\u0173 <\/p>\n

\u0160i pagrindin\u0117s sekos \u017evaig\u017ed\u0117, pana\u0161i \u012f Saul\u0119, tur\u0117t\u0173 \u0161viesti stabiliai, ta\u010diau nuo 2016 met\u0173 jos ry\u0161kumas \u0117m\u0117 periodi\u0161kai prima\u017e\u0117ti, o apie 2021-uosius prasid\u0117jo chaoti\u0161ki svyravimai. Raktas \u012f m\u012fsl\u0119 buvo infraraudonosios \u0161viesos duomenys: kai regimoji \u0161viesa bl\u0117so, infraraudonoji \u2013 ry\u0161k\u0117jo. Tai rei\u0161kia, kad \u017evaig\u017ed\u0119 u\u017estojanti med\u017eiaga yra kar\u0161ta \u2013 apie 900 kelvin\u0173 arba daugiau nei 600 Celsijaus laipsni\u0173 \u2013 ir pati \u0161vie\u010dia infraraudonajame ruo\u017ee. <\/p>\n

Prie\u0161 chaoti\u0161k\u0173 svyravim\u0173 prad\u017ei\u0105 tyr\u0117jai aptiko periodi\u0161k\u0105 380,5 dien\u0173 ry\u0161kumo moduliavim\u0105, kur\u012f gal\u0117t\u0173 kelti objektas, skriejantis ma\u017edaug 1,1 astronominio vieneto atstumo orbita \u2013 pana\u0161iai kaip \u017dem\u0117 nuo Saul\u0117s. <\/p>\n

Tyrimo autoriai steb\u0117jimus ai\u0161kina tokiu scenarijumi: i\u0161 prad\u017ei\u0173 dvi planetos, ar kiek ma\u017eesni objektai, spirali\u0161kai art\u0117jo viena prie kitos ir keliskart \u201eperbrauk\u0117\u201c viena kit\u0105, sukeldamos pirmuosius ry\u0161kumo pama\u017e\u0117jimus. <\/p>\n

\"Planet\u0173 <\/p>\n

Tuomet \u012fvyko katastrofi\u0161kas galutinis susid\u016brimas, i\u0161met\u0119s mil\u017eini\u0161k\u0105 dulki\u0173 ir uolien\u0173 debes\u012f, kurio skerspj\u016bvio plotas \u2013 bent 0,13 kvadratinio astronominio vieneto, o mas\u0117 \u2013 apie 4 \u00d7 10\u00b2\u2070 kilogram\u0173, arba pus\u0117 procento M\u0117nulio mas\u0117s. Intriguojantis sutapimas: susid\u016brimas \u012fvyko tokiu pat atstumu nuo \u017evaig\u017ed\u0117s, kaip \u017dem\u0117s orbitos spindulys, o prie\u0161 4,5 milijardo met\u0173 pana\u0161us sm\u016bgis grei\u010diausiai suformavo \u017dem\u0117s-M\u0117nulio sistem\u0105. <\/p>\n

Veros Rubin observatorija, prad\u0117sianti didel\u0119 dangaus ap\u017evalg\u0105 \u0161iais metais, per artimiausi\u0105 de\u0161imtmet\u012f gal\u0117t\u0173 aptikti apie \u0161imt\u0105 toki\u0173 susid\u016brim\u0173 \u2013 tai pad\u0117t\u0173 suprasti, kiek da\u017enai Visatoje kartojasi \u017demei M\u0117nul\u012f suteik\u0119s scenarijus. <\/p>\n","protected":false},"excerpt":{"rendered":"Tokie susid\u016brimai grei\u010diausiai vyksta santykinai da\u017enai, ta\u010diau steb\u0117ti juos tolimose sistemose itin sunku \u2013 reikia, kad nuolau\u017eos skriet\u0173…\n","protected":false},"author":2,"featured_media":132904,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[6],"tags":[25,30,31,34,35,24,32,33,37,39,36,38,40,23,22,4328,28,29,26,27],"class_list":["post-132903","post","type-post","status-publish","format-standard","has-post-thumbnail","category-antrastes","tag-antrastes","tag-breaking-news","tag-breakingnews","tag-featured-news","tag-featurednews","tag-headlines","tag-latest-news","tag-latestnews","tag-lietuva","tag-lietuviu","tag-lithuania","tag-lithuanian","tag-lt","tag-naujienos","tag-news","tag-planeta","tag-populiariausios-naujienos","tag-populiariausiosnaujienos","tag-top-stories","tag-topstories"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@lt\/116256331705261091","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/lt\/wp-json\/wp\/v2\/posts\/132903","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/lt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/lt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/lt\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/lt\/wp-json\/wp\/v2\/comments?post=132903"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/lt\/wp-json\/wp\/v2\/posts\/132903\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/lt\/wp-json\/wp\/v2\/media\/132904"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/lt\/wp-json\/wp\/v2\/media?parent=132903"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/lt\/wp-json\/wp\/v2\/categories?post=132903"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/lt\/wp-json\/wp\/v2\/tags?post=132903"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}