{ Premio Nobel para el COBE }

George Smoot y John Mather han ganado el Premio Nobel de Física de 2006:

«En concreto, a Mather y Smoot se les ha reconocido sus descubrimientos sobre la radiación de fondo de las microondas cósmicas, o, más poéticamente, por "su mirada hacia la infancia del universo" y "sus intentos por entender el origen de las galaxias y las estrellas".

» Sus trabajos sobre los primeros segundos después de la gran explosión que, según la teoría más aceptada, dio origen al Universo, están basados en las mediciones realizadas con ayuda del satélite COBE, lanzado por la NASA en 1989.»

El Cosmic Background Explorer (COBE) obtuvo un mapa celeste de la radiación del fondo cósmico de microondas a comienzos de los noventa. Cuando en 1992, George Smoot anunció los resultados preliminares del proyecto (confirmando la teoría del Big Bang), afirmó que ver este mapa era «como ver la cara de Dios».

Concretamente, el COBE confirmó la existencia de anisotropías, es decir, de pequeñísimas diferencias de temperatura en el fondo cósmico, que demuestran que el Universo primigenio no era totalmente homogéneo, y de esta forma, se crearon los cúmulos de galaxias, galaxias, estrellas y planetas. El fondo cósmico de microoondas es una fotografía de cómo era el Universo cuando éste tenía tan solo 300 mil años. El fondo cósmico de microondas fue descubierto por Arno Penzias y Bob Wilson en 1965, quienes recibieron el Premio Nobel de Física de 1978 por aportar una prueba crucial de la teoría de la Gran Explosión. Las observaciones del COBE fueron mejoradas posteriormente por el experimento Boomerang y el satélite WMAP.

Si quieres más información, la página de cosmología de Pedro J. Hernández explica el fondo cósmico y las imágenes del COBE con gran detalle.

Etiquetas:
Categorías: Astronomía

Publicado el 2006-10-03 | 87 Comentarios | Enlace

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1	De: Estefanía Fecha: 2006-10-03 21:31
¡Oé, oé, oé ,oé! >:)

2	De: netcanarias Fecha: 2006-10-03 22:16
Me alegro mucho felicidades pa los premiados

3	De: Jose Fecha: 2006-10-03 23:31
Jo! y me leí el libro de Smoth cuano salio alla por los finales de los 80. Como la habra sentado "la cosa" a los de los "cosmosomas"

4	De: rvr Fecha: 2006-10-04 02:59
Jose: Pues en parte se alegrarán, supongo. Lo que no comprendo es por qué le dan el Nobel a Smoot y Mather y no se lo dan a Alan Guth (quien desarrolló la teoría del universo inflacionario).

5	De: angelrls, El Lobo Rayado Fecha: 2006-10-10 20:10
Je, Jose, recuerdo también ese libro... se publicó en la serie de libros científicos dé Muy Interesante... qué tiempos... ¡Enhorabuena a los premiados! Y a preparar más cosas sobre el tema...

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De: Pablo Fecha: 2006-10-10 22:35

Hola Disculpa que me salga del tema lo que pasa es que no encontre otra forma de comunicarme contigo lo que pasa es que priemro que nada acabo de dar con tu blog ya que vi tu direccion en el Imparcial en la seccion de informatica del dia 25 de sep. del 2006 y pues a mi en lo personal me interesa mucho saber sobre astronomia y te queria decir que me intereso mucho tu blog asi que lo empezare a leer poco a poco para ver todo lo que has escrito alrespecto te felicito y me da gusto encontrar un lugar como este mi nombre es Pablo y soy de Hermosillo Sonora ahi deje mi correo espero poder estar en contacto via mail. yo no se mucho sobre el tema mas bien quiero saber cosas nuevas y aprender de todo esto bueno me despido. Sale

7	De: felipe Fecha: 2006-10-24 20:03
hola t qeria decir q esto me sirvio arto para una tarea de sociales gracias chaito

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De: Martín Fecha: 2006-12-07 16:00

Perdón, me gustaría que se abra un debate muy interesante relacionado con este tema: esta bien, aceptamos la teoría del Big Bang, pero... ¿cómo se formaron las primeras partículas en el universo, ¿existieron partículas extremadamente simples por tiempo infinito que cada vez se hicieron más complejas o estas partículas extremadamente simples aparecieron de la nada, es decir en un tiempo finito?. ¿Se le ocurre a alguien alguna buena idea?

9	De: Cripto Fecha: 2006-12-31 17:18
Martín, si no sabemos todavía una ínfima parte de nuestro universo, suponiendo que existe, ¿cómo puedes iniciar un debate, tratando sobre qué, sobre la materia oscura? Un saludo

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