{"id":22096,"date":"2006-05-12T09:46:00","date_gmt":"2006-05-12T09:46:00","guid":{"rendered":"http:\/\/weblogs.madrimasd.org\/\/astrofisica\/archive\/2006\/05\/12\/22096.aspx"},"modified":"2020-03-27T12:21:09","modified_gmt":"2020-03-27T11:21:09","slug":"asteroides-y-cometas-asesinos-%c2%bfrealidad-o-ficcion","status":"publish","type":"post","link":"https:\/\/www.madrimasd.org\/blogs\/astrofisica\/2006\/05\/12\/22096","title":{"rendered":"Asteroides y cometas \u00abasesinos\u00bb: \u00bfRealidad o ficci\u00f3n?"},"content":{"rendered":"<div align=\"justify\">\n<p>David Barrado y Navascu\u00e9s<\/p>\n<p>Nuevamente una conocida agencia de noticias, distribuida a numerosos medios de comunicaci\u00f3n, publica una informaci\u00f3n inquietante: \u00abal menos ocho &#8216;minicometas&#8217; rozar\u00e1n hoy nuestro planeta\u00bb. \u00bfExiste alg\u00fan peligro?<\/p>\n<\/div>\n<p><!--more--><\/p>\n<div style=\"text-align: justify;\">\n<p>Dejemos claro que la menor aproximaci\u00f3n ser\u00e1 a unos 10 millones de kil\u00f3metros, varias veces la distancia Tierra-Luna. El termino \u00abrozar\u00bb en el titular no es de lo m\u00e1s idoneo.<\/p>\n<p>El cometa 73P\/Schawassmann-Wachmann 3 se puede clasificar como un NEO o \u00abNear Earth Object\u00bb. \u00c9stos son asteroides o cometas cuya \u00f3rbita cruza la de la Tierra, lo cual no implica que exista una posibilidad real de impacto. Actualmente existen unos 4,000 objetos catalogados como NEOs, seg\u00fan <a href=\"http:\/\/newton.dm.unipi.it\/cgi-bin\/neodys\/neoibo\" target=\"_blank\">\u00abNeoDys<\/a> (\u00abNear Earth Objects &#8211; Dynamic Site\u00bb), un proyecto de la Universidad de\u00a0 Pisa que\u00a0 proporciona\u00a0 informaci\u00f3n actualizada de este tipo de astros.<\/p>\n<\/div>\n<p><img decoding=\"async\" src=\"http:\/\/www.cab.inta-csic.es\/users\/barrado\/weblog\/Spitzer_73P.jpg\" alt=\"\" width=\"450\" \/><\/p>\n<div style=\"text-align: justify;\">\n<p><em>Imagen infrarroja del Cometa 73P\/Schawassmann-Wachmann 3 tomada con el sat\u00e9lite de la NASA\u00a0 Spitzer, donde se aprecian varios fragmentos<\/em><\/p>\n<p>Durante los \u00faltimos a\u00f1os, la aproximaci\u00f3n m\u00e1s cercana de un NEO se produjo el 29 de septiembre\u00a0 del 2004, cuando el asteroide Toutatis, un asteroide con un tama\u00f1o entre 1.7 y 5.3 km,\u00a0 se acerc\u00f3 a unas cuatro veces la distancia Tierra-Luna. Obviamente, no represent\u00f3 un peligro real en ning\u00fan momento.<\/p>\n<p>Para conseguir informaci\u00f3n addicional, ver la p\u00e1gina de la NASA sobre los <a href=\"http:\/\/neo.jpl.nasa.gov\/\">NEOs<\/a> o la\u00a0 de la Uni\u00f3n Astron\u00f3mica Internacional sobre <a href=\"http:\/\/cfa-www.harvard.edu\/iau\/mpc.html\">Planetas Menores<\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>David Barrado y Navascu\u00e9s Nuevamente una conocida agencia de noticias, distribuida a numerosos medios de comunicaci\u00f3n, publica una informaci\u00f3n inquietante: \u00abal menos ocho &#8216;minicometas&#8217; rozar\u00e1n hoy nuestro planeta\u00bb. \u00bfExiste alg\u00fan peligro?<\/p>\n","protected":false},"author":32,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0},"categories":[64,553,252,554],"tags":[],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":4}},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"David Barrado y Navascu\u00e9s Nuevamente una conocida agencia de noticias, distribuida a numerosos medios de comunicaci\u00f3n, publica una informaci\u00f3n inquietante: &quot;al menos ocho &#039;minicometas&#039; rozar\u00e1n hoy nuestro planeta&quot;. \u00bfExiste alg\u00fan peligro? 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Dejemos claro que la menor aproximaci\u00f3n ser\u00e1 a unos 10 millones de kil\u00f3metros, varias veces la distancia Tierra-Luna. 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El termino &quot;rozar&quot; en el titular\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/www.madrimasd.org\/blogs\/astrofisica\/files\/2022\/02\/logo.png\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BlogPosting\",\"@id\":\"https:\\\/\\\/www.madrimasd.org\\\/blogs\\\/astrofisica\\\/2006\\\/05\\\/12\\\/22096#blogposting\",\"name\":\"Asteroides y cometas \\u00abasesinos\\u00bb: \\u00bfRealidad o ficci\\u00f3n? - Cuaderno de bit\\u00e1cora estelar\",\"headline\":\"Asteroides y cometas \\u00abasesinos\\u00bb: \\u00bfRealidad o ficci\\u00f3n?\",\"author\":{\"@id\":\"https:\\\/\\\/www.madrimasd.org\\\/blogs\\\/astrofisica\\\/author\\\/astrofis#author\"},\"publisher\":{\"@id\":\"https:\\\/\\\/www.madrimasd.org\\\/blogs\\\/astrofisica\\\/#organization\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"http:\\\/\\\/www.cab.inta-csic.es\\\/users\\\/barrado\\\/weblog\\\/Spitzer_73P.jpg\",\"@id\":\"https:\\\/\\\/www.madrimasd.org\\\/blogs\\\/astrofisica\\\/2006\\\/05\\\/12\\\/22096\\\/#articleImage\"},\"datePublished\":\"2006-05-12T09:46:00+01:00\",\"dateModified\":\"2020-03-27T12:21:09+01:00\",\"inLanguage\":\"es-ES\",\"commentCount\":17,\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.madrimasd.org\\\/blogs\\\/astrofisica\\\/2006\\\/05\\\/12\\\/22096#webpage\"},\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.madrimasd.org\\\/blogs\\\/astrofisica\\\/2006\\\/05\\\/12\\\/22096#webpage\"},\"articleSection\":\"Divulgaci\\u00f3n, Noticias de Astrof\\u00edsica, Opiniones, Sistema Solar\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.madrimasd.org\\\/blogs\\\/astrofisica\\\/2006\\\/05\\\/12\\\/22096#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.madrimasd.org\\\/blogs\\\/astrofisica#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.madrimasd.org\\\/blogs\\\/astrofisica\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.madrimasd.org\\\/blogs\\\/astrofisica\\\/category\\\/divulgacion#listItem\",\"name\":\"Divulgaci\\u00f3n\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.madrimasd.org\\\/blogs\\\/astrofisica\\\/category\\\/divulgacion#listItem\",\"position\":2,\"name\":\"Divulgaci\\u00f3n\",\"item\":\"https:\\\/\\\/www.madrimasd.org\\\/blogs\\\/astrofisica\\\/category\\\/divulgacion\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.madrimasd.org\\\/blogs\\\/astrofisica\\\/2006\\\/05\\\/12\\\/22096#listItem\",\"name\":\"Asteroides y cometas \\u00abasesinos\\u00bb: \\u00bfRealidad o ficci\\u00f3n?\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.madrimasd.org\\\/blogs\\\/astrofisica#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.madrimasd.org\\\/blogs\\\/astrofisica\\\/2006\\\/05\\\/12\\\/22096#listItem\",\"position\":3,\"name\":\"Asteroides y cometas \\u00abasesinos\\u00bb: \\u00bfRealidad o ficci\\u00f3n?\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.madrimasd.org\\\/blogs\\\/astrofisica\\\/category\\\/divulgacion#listItem\",\"name\":\"Divulgaci\\u00f3n\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.madrimasd.org\\\/blogs\\\/astrofisica\\\/#organization\",\"name\":\"Cuaderno de bit\\u00e1cora estelar\",\"description\":\"Astrof\\u00edsica, astronom\\u00eda, cosmolog\\u00eda, ciencias del espacio\",\"url\":\"https:\\\/\\\/www.madrimasd.org\\\/blogs\\\/astrofisica\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/www.madrimasd.org\\\/blogs\\\/astrofisica\\\/files\\\/2022\\\/02\\\/logo.png\",\"@id\":\"https:\\\/\\\/www.madrimasd.org\\\/blogs\\\/astrofisica\\\/2006\\\/05\\\/12\\\/22096\\\/#organizationLogo\",\"width\":217,\"height\":72},\"image\":{\"@id\":\"https:\\\/\\\/www.madrimasd.org\\\/blogs\\\/astrofisica\\\/2006\\\/05\\\/12\\\/22096\\\/#organizationLogo\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.madrimasd.org\\\/blogs\\\/astrofisica\\\/author\\\/astrofis#author\",\"url\":\"https:\\\/\\\/www.madrimasd.org\\\/blogs\\\/astrofisica\\\/author\\\/astrofis\",\"name\":\"Administrador CBE\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\\\/\\\/www.madrimasd.org\\\/blogs\\\/astrofisica\\\/2006\\\/05\\\/12\\\/22096#authorImage\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/a8481fdac84e3a1651510eeaa8fadfc6?s=96&d=mm&r=g\",\"width\":96,\"height\":96,\"caption\":\"Administrador CBE\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.madrimasd.org\\\/blogs\\\/astrofisica\\\/2006\\\/05\\\/12\\\/22096#webpage\",\"url\":\"https:\\\/\\\/www.madrimasd.org\\\/blogs\\\/astrofisica\\\/2006\\\/05\\\/12\\\/22096\",\"name\":\"Asteroides y cometas \\u00abasesinos\\u00bb: \\u00bfRealidad o ficci\\u00f3n? 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Dejemos claro que la menor aproximaci\u00f3n ser\u00e1 a unos 10 millones de kil\u00f3metros, varias veces la distancia Tierra-Luna. El termino &quot;rozar&quot; en el titular","og:url":"https:\/\/www.madrimasd.org\/blogs\/astrofisica\/2006\/05\/12\/22096","og:image":"https:\/\/www.madrimasd.org\/blogs\/astrofisica\/files\/2022\/02\/logo.png","og:image:secure_url":"https:\/\/www.madrimasd.org\/blogs\/astrofisica\/files\/2022\/02\/logo.png","article:published_time":"2006-05-12T09:46:00+00:00","article:modified_time":"2020-03-27T11:21:09+00:00","twitter:card":"summary","twitter:title":"Asteroides y cometas \u00abasesinos\u00bb: \u00bfRealidad o ficci\u00f3n? - Cuaderno de bit\u00e1cora estelar","twitter:description":"David Barrado y Navascu\u00e9s Nuevamente una conocida agencia de noticias, distribuida a numerosos medios de comunicaci\u00f3n, publica una informaci\u00f3n inquietante: &quot;al menos ocho 'minicometas' rozar\u00e1n hoy nuestro planeta&quot;. \u00bfExiste alg\u00fan peligro? Dejemos claro que la menor aproximaci\u00f3n ser\u00e1 a unos 10 millones de kil\u00f3metros, varias veces la distancia Tierra-Luna. El termino &quot;rozar&quot; en el titular","twitter:image":"https:\/\/www.madrimasd.org\/blogs\/astrofisica\/files\/2022\/02\/logo.png"},"aioseo_meta_data":{"post_id":"22096","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":null,"isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","tabs":null,"priority":null,"frequency":null,"local_seo":null,"created":"2022-01-28 22:59:33","updated":"2023-06-19 08:37:04","limit_modified_date":false,"ai":null,"breadcrumb_settings":null,"seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/www.madrimasd.org\/blogs\/astrofisica\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/www.madrimasd.org\/blogs\/astrofisica\/category\/divulgacion\" title=\"Divulgaci\u00f3n\">Divulgaci\u00f3n<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tAsteroides y cometas \u00abasesinos\u00bb: \u00bfRealidad o ficci\u00f3n?\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/www.madrimasd.org\/blogs\/astrofisica"},{"label":"Divulgaci\u00f3n","link":"https:\/\/www.madrimasd.org\/blogs\/astrofisica\/category\/divulgacion"},{"label":"Asteroides y cometas \u00abasesinos\u00bb: \u00bfRealidad o ficci\u00f3n?","link":"https:\/\/www.madrimasd.org\/blogs\/astrofisica\/2006\/05\/12\/22096"}],"_links":{"self":[{"href":"https:\/\/www.madrimasd.org\/blogs\/astrofisica\/wp-json\/wp\/v2\/posts\/22096"}],"collection":[{"href":"https:\/\/www.madrimasd.org\/blogs\/astrofisica\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.madrimasd.org\/blogs\/astrofisica\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.madrimasd.org\/blogs\/astrofisica\/wp-json\/wp\/v2\/users\/32"}],"replies":[{"embeddable":true,"href":"https:\/\/www.madrimasd.org\/blogs\/astrofisica\/wp-json\/wp\/v2\/comments?post=22096"}],"version-history":[{"count":3,"href":"https:\/\/www.madrimasd.org\/blogs\/astrofisica\/wp-json\/wp\/v2\/posts\/22096\/revisions"}],"predecessor-version":[{"id":134607,"href":"https:\/\/www.madrimasd.org\/blogs\/astrofisica\/wp-json\/wp\/v2\/posts\/22096\/revisions\/134607"}],"wp:attachment":[{"href":"https:\/\/www.madrimasd.org\/blogs\/astrofisica\/wp-json\/wp\/v2\/media?parent=22096"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.madrimasd.org\/blogs\/astrofisica\/wp-json\/wp\/v2\/categories?post=22096"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.madrimasd.org\/blogs\/astrofisica\/wp-json\/wp\/v2\/tags?post=22096"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}