{"id":1285092,"date":"2021-01-24T21:13:48","date_gmt":"2021-01-24T21:13:48","guid":{"rendered":"https:\/\/www.pressenza.com\/?p=1285092"},"modified":"2021-01-24T21:13:48","modified_gmt":"2021-01-24T21:13:48","slug":"la-nasa-descubre-un-exoplaneta-de-10-000-millones-de-anos-un-50-mas-grande-que-la-tierra","status":"publish","type":"post","link":"https:\/\/www.pressenza.com\/es\/2021\/01\/la-nasa-descubre-un-exoplaneta-de-10-000-millones-de-anos-un-50-mas-grande-que-la-tierra\/","title":{"rendered":"La NASA descubre un exoplaneta de 10.000 millones de a\u00f1os, un 50 % m\u00e1s grande que la Tierra"},"content":{"rendered":"<p><strong>El cuerpo celeste tiene tres veces la masa de nuestro planeta, pero sorprendentemente, la misma densidad.<\/strong><\/p>\n<p>La misi\u00f3n TESS de la NASA (Sat\u00e9lite de Sondeo de Exoplanetas en Tr\u00e1nsito) ha descubierto un planeta caliente y rocoso que es aproximadamente un 50 % m\u00e1s grande que la Tierra, informa\u00a0<a href=\"https:\/\/www.forbes.com\/sites\/jamiecartereurope\/2021\/01\/23\/a-10-billion-year-old-super-earth-has-been-discovered-in-our-own-galaxy-could-it-host-ancient-lifeforms\/?sh=6fe6b5c42fd8\" target=\"_blank\" rel=\"noopener noreferrer\">Forbes<\/a>. Clasificado como exoplaneta debido a su ubicaci\u00f3n fuera de nuestro sistema solar, el objeto ha sido denominado TOI-561b.<\/p>\n<p>Curiosamente, TOI-561b tiene tres veces la masa de nuestro planeta, pero la misma densidad. Tarda solo\u00a0<strong>10,5 horas en completar una \u00f3rbita<\/strong>\u00a0alrededor de su estrella anfitriona TOI-561, una enana naranja pobre en metales. Debido a sus caracter\u00edsticas, el exoplaneta tambi\u00e9n se conoce como una &#8216;S\u00faper Tierra&#8217;.<\/p>\n<div class=\"ReadMore-root Section-root Section-is1to3-xs_is1to1\" data-widgets=\"ReadMore\">\n<div class=\"Section-container Section-isRow-isTop-isWrap\">\n<article class=\"Card-root Card-is1to1 \">\n<div class=\"Card-imageWrap\">\n<div class=\"Card-picture\"><picture class=\"Picture-root Picture-default\"><source srcset=\" \nhttps:\/\/cdni.rt.com\/actualidad\/public_images\/2020.12\/thumbnail\/5fe3551959bf5b437a275ed7.jpg 850w,\n                https:\/\/cdni.rt.com\/actualidad\/public_images\/2020.12\/article\/5fe3551959bf5b437a275ed7.jpg 1960w,\n            \" media=\"(-webkit-min-device-pixel-ratio: 2) and (min-resolution: 120dpi)\" sizes=\"280px\" data-srcset=\"\n                https:\/\/cdni.rt.com\/actualidad\/public_images\/2020.12\/thumbnail\/5fe3551959bf5b437a275ed7.jpg 850w,\n                https:\/\/cdni.rt.com\/actualidad\/public_images\/2020.12\/article\/5fe3551959bf5b437a275ed7.jpg 1960w,\n            \" \/><source srcset=\" \nhttps:\/\/cdni.rt.com\/actualidad\/public_images\/2020.12\/thumbnail\/5fe3551959bf5b437a275ed7.jpg 460w,\n              https:\/\/cdni.rt.com\/actualidad\/public_images\/2020.12\/article\/5fe3551959bf5b437a275ed7.jpg 980w,\n            \" sizes=\"280px\" data-srcset=\"\n              https:\/\/cdni.rt.com\/actualidad\/public_images\/2020.12\/thumbnail\/5fe3551959bf5b437a275ed7.jpg 460w,\n              https:\/\/cdni.rt.com\/actualidad\/public_images\/2020.12\/article\/5fe3551959bf5b437a275ed7.jpg 980w,\n            \" \/><img decoding=\"async\" class=\"Picture-root Picture-default lazyautosizes lazyloaded\" src=\"https:\/\/cdni.rt.com\/actualidad\/public_images\/2020.12\/thumbnail\/5fe3551959bf5b437a275ed7.jpg\" sizes=\"280px\" alt=\"Se\u00f1alan en qu\u00e9 regi\u00f3n de nuestra galaxia se podr\u00edan encontrar m\u00e1s civilizaciones extraterrestres\" data-sizes=\"auto\" data-src=\"https:\/\/cdni.rt.com\/actualidad\/public_images\/2020.12\/thumbnail\/5fe3551959bf5b437a275ed7.jpg\" \/><\/picture><\/div>\n<\/div>\n<div class=\"Card-contentWrap\">\n<div class=\"Card-content\">\n<div class=\"Card-title\">\n<div class=\"HeaderNews-root HeaderNews-type_6 \"><a class=\"Link-root Link-isFullCard \" href=\"https:\/\/actualidad.rt.com\/actualidad\/377869-numero-civilizaciones-extraterrestres\">Se\u00f1alan en qu\u00e9 regi\u00f3n de nuestra galaxia se podr\u00edan encontrar m\u00e1s civilizaciones extraterrestres<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/article>\n<\/div>\n<\/div>\n<p>De hecho, el exoplaneta fue descubierto por la misi\u00f3n TESS orbitando una de las estrellas m\u00e1s antiguas de la V\u00eda L\u00e1ctea. Su nombre, TOI-561b, deriva de TESS Object of Interest, U\u00a0\u00ab<strong>objeto de inter\u00e9s de TESS<\/strong>\u00bb (TOI). Lanzada en 2018, esta misi\u00f3n escanea una amplia zona del espacio y monitorea las estrellas cercanas para buscar exoplanetas orbitando alrededor de ellas.<\/p>\n<p>Luego, los investigadores usaron el Observatorio WM Keck DE\u00a0Haw\u00e1i para determinar la masa, el radio y la densidad del exoplaneta.<\/p>\n<p>El hallazgo se hizo p\u00fablico durante la 237a\u00a0<a href=\"https:\/\/aas.org\/meetings\/aas237\" target=\"_blank\" rel=\"noopener noreferrer\">reuni\u00f3n<\/a>\u00a0de la Sociedad Astron\u00f3mica Estadounidense, que se celebr\u00f3 en l\u00ednea debido a la pandemia. El estudio aparecer\u00e1 en la revista The Astronomical Journal en febrero de 2021.<\/p>\n<h3>\u00abUno de los planetas rocosos m\u00e1s antiguos\u00bb<\/h3>\n<p>Es importante se\u00f1alar que la V\u00eda L\u00e1ctea se form\u00f3 hace 12.000 millones de a\u00f1os y el Sol tiene solo 4.500 millones de a\u00f1os. Mientras tanto, los investigadores creen que los planetas del sistema solar de TOI-561 tienen\u00a0<strong>alrededor de 10.000 millones de a\u00f1os<\/strong>.<\/p>\n<p>\u00abTOI-561b es uno de los planetas rocosos m\u00e1s antiguos descubiertos hasta ahora. Su existencia muestra que el universo ha estado formando planetas rocosos casi desde sus inicios hace 14.000 millones de a\u00f1os\u00bb, explic\u00f3 Lauren Weiss, becaria la Universidad de Haw\u00e1i y autora del estudio.<\/p>\n<p>En ese sentido, Weiss afirm\u00f3 que \u00abeste planeta se form\u00f3 en un momento en que la mayor\u00eda de las estrellas de nuestra galaxia comenzaban a brillar\u00bb.<\/p>\n<h3>\u00bfPodr\u00eda albergar vida?<\/h3>\n<p>TOI-561b probablemente no alberga vida actualmente. El planeta no solo orbita su estrella dos veces cada d\u00eda terrestre, sino que pasa tan cerca que hace demasiado calor para que exista agua l\u00edquida en su superficie: tiene\u00a0<strong>una temperatura superficial promedio de m\u00e1s de 2.000 \u00b0C<\/strong>.<\/p>\n<p>De acuerdo con los investigadores, lo m\u00e1s probable es que TOI-561b sea una pista de que hay muchos m\u00e1s mundos rocosos a\u00fan por descubrir alrededor de las estrellas m\u00e1s antiguas de nuestra galaxia que podr\u00edan ser habitables y, por lo tanto, podr\u00edan albergar formas de vida muy antiguas.<\/p>\n<p>Despu\u00e9s de todo, se cree que las formas m\u00e1s antiguas tardaron al menos 1.000 millones de a\u00f1os en aparecer en la Tierra. Por lo tanto, cuanto m\u00e1s antiguo y estable sea el planeta, es m\u00e1s probable que albergue alguna\u00a0forma de vida.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>El cuerpo celeste tiene tres veces la masa de nuestro planeta, pero sorprendentemente, la misma densidad. La misi\u00f3n TESS de la NASA (Sat\u00e9lite de Sondeo de Exoplanetas en Tr\u00e1nsito) ha descubierto un planeta caliente y rocoso que es aproximadamente un&hellip;<\/p>\n","protected":false},"author":1181,"featured_media":1285093,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[497],"tags":[62807,48234,33413,51904,54016,58443,1404],"class_list":["post-1285092","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ciencia-tecnologia","tag-academia-de-ciencias","tag-astronomia","tag-curiosidades","tag-espacio","tag-estados-unidos-es","tag-nasa-es","tag-tecnologia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>La NASA descubre un exoplaneta de 10.000 millones de a\u00f1os, un 50 % m\u00e1s grande que la Tierra<\/title>\n<meta name=\"description\" content=\"El cuerpo celeste tiene tres veces la masa de nuestro planeta, pero sorprendentemente, la misma densidad. 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