{"id":21493,"date":"2024-02-22T15:10:54","date_gmt":"2024-02-22T20:10:54","guid":{"rendered":"https:\/\/www.americanonewspaper.com\/es\/?p=21493"},"modified":"2024-02-22T15:10:56","modified_gmt":"2024-02-22T20:10:56","slug":"estrella-de-neutrones-en-el-remanente-de-una-supernova","status":"publish","type":"post","link":"https:\/\/www.americanonewspaper.com\/es\/sciences\/estrella-de-neutrones-en-el-remanente-de-una-supernova\/","title":{"rendered":"Estrella de neutrones en el remanente de una supernova."},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Redacci\u00f3n Ciencia, (EFE).<\/p>\n\n\n\n<p class=\"has-drop-cap dropcapp3 wp-block-paragraph\">Las estrella masivas acaban sus d\u00edas estallando como supernovas que dan lugar a otro objeto. La m\u00e1s estudiada de la historia es 1987A, pero no se sab\u00eda cu\u00e1l hab\u00eda sido el resultado de la explosi\u00f3n, hasta que datos del telescopio James Webb han revelado que es una estrella de neutrones.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La supernova 1987A se detect\u00f3 en febrero de 1987 en la Gran Nube de Magallanes a 160.000 a\u00f1os luz. Fue la m\u00e1s cercana y brillante en el cielo nocturno en 400 a\u00f1os, de manera que pudo observarse a simple vista durante varios meses antes de desvanecerse.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un nuevo estudio con datos del James Webb, encabezada por el University College de Londres y que publica Science, ha logrado ahora evidencias concluyentes de que hay una estrella de neutrones en el remanente de la supernova.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hasta ahora, los cient\u00edficos no han podido detectar directamente el objeto compacto que se esperaba que se produjera durante la explosi\u00f3n, porque la expansi\u00f3n de los escombros oculta el objeto entre gas y polvo denso.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized td-caption-align-center\"><a href=\"https:\/\/www.facebook.com\/villanuevasmultiservices\"><img fetchpriority=\"high\" decoding=\"async\" width=\"2402\" height=\"1110\" src=\"https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/02\/Screenshot-2024-02-09-at-12.28.40\u202fPM.png\" alt=\"\" class=\"wp-image-21280\" style=\"width:792px;height:auto\" srcset=\"https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/02\/Screenshot-2024-02-09-at-12.28.40\u202fPM.png 2402w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/02\/Screenshot-2024-02-09-at-12.28.40\u202fPM-300x139.png 300w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/02\/Screenshot-2024-02-09-at-12.28.40\u202fPM-800x370.png 800w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/02\/Screenshot-2024-02-09-at-12.28.40\u202fPM-768x355.png 768w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/02\/Screenshot-2024-02-09-at-12.28.40\u202fPM-1536x710.png 1536w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/02\/Screenshot-2024-02-09-at-12.28.40\u202fPM-2048x946.png 2048w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/02\/Screenshot-2024-02-09-at-12.28.40\u202fPM-150x69.png 150w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/02\/Screenshot-2024-02-09-at-12.28.40\u202fPM-696x322.png 696w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/02\/Screenshot-2024-02-09-at-12.28.40\u202fPM-1068x494.png 1068w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/02\/Screenshot-2024-02-09-at-12.28.40\u202fPM-1920x887.png 1920w\" sizes=\"(max-width: 2402px) 100vw, 2402px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Diversas evidencias indirectas suger\u00edan que pod\u00eda ser una estrella de neutrones, pero sin descartar que fuera un agujero negro.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para el nuevo estudio se usaron observaciones del remanente de la supernova en longitudes de onda infrarrojas, utilizando espectroscop\u00eda para examinar la composici\u00f3n y movimientos del gas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El equipo encontr\u00f3 l\u00edneas de emisi\u00f3n de gas de arg\u00f3n y azufre altamente ionizado cerca de donde estall\u00f3 la estrella original, lo que solo puede explicarse si hay una fuente brillante de radiaci\u00f3n ultravioleta y rayos X de una estrella de neutrones, ya sea directa o indirectamente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La detecci\u00f3n de \u201cfuertes l\u00edneas\u201d de emisi\u00f3n en el centro mismo de la nebulosa que rodea a la Supernova 1987A es una prueba directa de la presencia de una fuente central de radiaci\u00f3n ionizante.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cNuestros datos solo pueden ajustarse a una estrella de neutrones como fuente de energ\u00eda de esa radiaci\u00f3n ionizante&#8221;, se\u00f1al\u00f3 Mike Barlow, uno de los firmantes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cEl misterio sobre si una estrella de neutrones se esconde en el polvo ha durado m\u00e1s de 30 a\u00f1os y es emocionante que lo hayamos resuelto\u201d, agreg\u00f3.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" width=\"1200\" height=\"550\" src=\"https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/02\/GGlweb.jpg\" alt=\"\" class=\"wp-image-21159\" style=\"width:755px;height:auto\" srcset=\"https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/02\/GGlweb.jpg 1200w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/02\/GGlweb-300x138.jpg 300w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/02\/GGlweb-800x367.jpg 800w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/02\/GGlweb-768x352.jpg 768w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/02\/GGlweb-150x69.jpg 150w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/02\/GGlweb-696x319.jpg 696w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/02\/GGlweb-1068x490.jpg 1068w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Las supernovas son las principales fuentes de elementos qu\u00edmicos que hacen posible la vida, dijo Barlow y a\u00f1adi\u00f3: \u201cNo hay ning\u00fan otro objeto como la estrella de neutrones de la Supernova 1987A, tan cerca de nosotros y que se haya formado tan recientemente. Como el material que la rodea se est\u00e1 expandiendo, veremos m\u00e1s de ella a medida que pase el tiempo&#8221;.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SN1987A es la \u00fanica supernova que tambi\u00e9n ha podido ser detectada a trav\u00e9s de su neutrinos llegados a la Tierra y en la que se pudo identificar la estrella que explot\u00f3 a partir de im\u00e1genes tomadas antes de la explosi\u00f3n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redacci\u00f3n Ciencia, (EFE). Las estrella masivas acaban sus d\u00edas estallando como supernovas que dan lugar a otro objeto. La m\u00e1s estudiada de la historia es 1987A, pero no se sab\u00eda cu\u00e1l hab\u00eda sido el resultado de la explosi\u00f3n, hasta que datos del telescopio James Webb han revelado que es una estrella de neutrones. La supernova [&hellip;]<\/p>\n","protected":false},"author":13,"featured_media":21494,"comment_status":"closed","ping_status":"open","sticky":true,"template":"","format":"standard","meta":{"_acf_changed":false,"tdm_status":"","tdm_grid_status":"","_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false},"categories":[579,124,294],"tags":[],"class_list":["post-21493","post","type-post","status-publish","format-standard","has-post-thumbnail","category-espacio","category-sciences","category-tecnologia"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.7 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Estrella de neutrones en el remanente de una supernova. - Americano Newspaper<\/title>\n<meta name=\"description\" content=\"Las estrella masivas acaban sus d\u00edas estallando como supernovas que dan lugar a otro objeto. 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