{"id":9743,"date":"2024-03-25T13:13:42","date_gmt":"2024-03-25T16:13:42","guid":{"rendered":"http:\/\/192.168.0.98\/?p=9743"},"modified":"2024-03-25T13:13:42","modified_gmt":"2024-03-25T16:13:42","slug":"alemania-ee-uu-y-airbus-socios-en-el-espacio","status":"publish","type":"post","link":"https:\/\/aeroespacio.com.ar\/?p=9743","title":{"rendered":"Alemania, EE.UU. y Airbus, socios en el Espacio"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/aeroespacio.com.ar\/wp-content\/uploads\/2024\/03\/mision_espacial-1024x575.webp\" alt=\"\" class=\"wp-image-9744\" \/><\/figure>\n\n\n\n<p>El gigante aeroespacial europeo obtuvo un contrato para dise\u00f1ar y construir la nave espacial gemela GRACE-C por parte del Jet Propulsion Laboratory JPL de la NASA (Pasadena, California).&nbsp;Esta nueva misi\u00f3n de la agencia espacial estadounidense y la agencia espacial alemana en el Centro Aeroespacial Alem\u00e1n (DLR) reforzar\u00e1 la colaboraci\u00f3n de m\u00e1s de 20 a\u00f1os entre ambos pa\u00edses para garantizar la medici\u00f3n ininterrumpida del campo gravitatorio de la Tierra, que comenz\u00f3 en 2002 con GRACE y contin\u00faa&nbsp;con GRACE Follow-On, lanzado en 2018.<\/p>\n\n\n\n<p>Durante los cinco a\u00f1os de vida \u00fatil de la misi\u00f3n GRACE-C (Experimento de Continuidad Clim\u00e1tica y Recuperaci\u00f3n de Gravedad) continuar\u00e1 la serie de mediciones observando c\u00f3mo las aguas subterr\u00e1neas, los oc\u00e9anos, las capas de hielo y la tierra de la Tierra se desplazan, mes a mes, midiendo&nbsp;cambios en el campo gravitatorio del planeta.&nbsp;<\/p>\n\n\n\n<p>Alain Faur\u00e9, jefe de Sistemas Espaciales de Airbus, afirm\u00f3: \u201cEs sorprendente pensar que, sin mirar a la Tierra, dos sat\u00e9lites a m\u00e1s de 200 kil\u00f3metros de distancia uno del otro puedan decirnos qu\u00e9 tan r\u00e1pido se est\u00e1n derritiendo nuestras capas de hielo.&nbsp;En el monitoreo ambiental, la continuidad es clave.&nbsp;Los valiosos datos proporcionados por las misiones GRACE anteriores son testimonio de su \u00e9xito y es una gran noticia que Airbus siga formando parte de esta misi\u00f3n internacional proporcionando las herramientas para medir c\u00f3mo est\u00e1 evolucionando nuestro clima\u201d.<\/p>\n\n\n\n<p>GRACE-C estar\u00e1 integrada por dos sat\u00e9lites id\u00e9nticos que volar\u00e1n a unos 200 km de distancia entre s\u00ed, a una altitud de \u00f3rbita de 500 km, con una inclinaci\u00f3n de 89 grados.&nbsp;Cada sat\u00e9lite medir\u00e1 aproximadamente 3 x 2 x 1 metros y pesar\u00e1 alrededor de 600 kg.&nbsp;El lanzamiento est\u00e1 previsto no antes de finales de 2028 desde EE. UU.&nbsp;<\/p>\n\n\n\n<p>Tal como sus predecesoras, la misi\u00f3n GRACE-C est\u00e1 dise\u00f1ada para medir con precisi\u00f3n peque\u00f1os cambios de distancia entre los sat\u00e9lites debido a variaciones de la gravedad, con una precisi\u00f3n sin precedentes.&nbsp;A medida que el par de sat\u00e9lites orbita la Tierra, \u00e1reas de gravedad ligeramente m\u00e1s fuerte (mayor concentraci\u00f3n de masa) afectar\u00e1n las posiciones de las naves espaciales y, por tanto, la distancia entre ellas.El sistema de alcance de microondas extremadamente preciso detectar\u00e1 estos cambios y permitir\u00e1 mapear el campo gravitatorio de la Tierra con una exactitud nunca antes lograda.&nbsp;<\/p>\n\n\n\n<p>A lo largo de meses y a\u00f1os, la comparaci\u00f3n de estos mapas de gravedad, o la evoluci\u00f3n de las concentraciones de masa, permitir\u00e1 a los cient\u00edficos evaluar el equilibrio h\u00eddrico global, incluidas las capas fre\u00e1ticas y las capas de hielo, y la influencia del cambio clim\u00e1tico.&nbsp;Tambi\u00e9n proporcionar\u00e1 informaci\u00f3n sobre las corrientes profundas y superficiales de los oc\u00e9anos y los factores que contribuyen a la altura de los oc\u00e9anos.<\/p>\n\n\n\n<p>GRACE-C es una reconstrucci\u00f3n de los dos sat\u00e9lites GRACE Follow-On con avi\u00f3nica mejorada basada en tecnolog\u00eda de \u00faltima generaci\u00f3n y el interfer\u00f3metro de alcance l\u00e1ser (LRI) conjunto entre Estados Unidos y Alemania, que ya vol\u00f3 en GRACE Follow-On como modelo experimental.<\/p>\n\n\n\n<p>La misi\u00f3n se basa en una asociaci\u00f3n interinstitucional NASA\/DLR: las contribuciones alemanas son financiadas por el Ministerio Federal Alem\u00e1n de Asuntos Econ\u00f3micos y Acci\u00f3n Clim\u00e1tica, as\u00ed como por el Ministerio Federal de Educaci\u00f3n e Investigaci\u00f3n.&nbsp;El banco \u00f3ptico del instrumento LRI fue construido por SpaceTech GmbH en estrecha colaboraci\u00f3n con el Instituto Max Planck de Ciencias Gravitacionales (Instituto Albert Einstein).&nbsp;<\/p>\n\n\n\n<p>Airbus Defence and Space en Friedrichshafen dise\u00f1ar\u00e1, construir\u00e1 y entregar\u00e1 los sat\u00e9lites al sitio de lanzamiento, incluido el soporte de lanzamiento y fase de \u00f3rbita temprana (LEOP) para NASA\/JPL.&nbsp;La misi\u00f3n ser\u00e1 operada por el Centro Alem\u00e1n de Operaciones Espaciales (GSOC) del DLR.<\/p>\n\n\n\n<p>Fuente: Airbus.&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>El gigante aeroespacial europeo obtuvo un contrato para dise\u00f1ar y construir la nave espacial gemela GRACE-C por parte del Jet [&hellip;]<\/p>\n","protected":false},"author":20,"featured_media":9744,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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