El Hubble toma una foto de primer plano del cometa NEOWISE

El telescopio espacial Hubble tomó una de las fotos más nítidas y cercanas del cometa NEOWISE. Es un primer plano realizado el 8 de agosto, en un momento en que estaba cerca del Sol: a una distancia de 27 millones de millas (43 millones de kilómetros).

El investigador principal Qicheng Zhang, del Instituto de Tecnología de California, comentó que “Hubble tiene una resolución mucho mejor que la que podemos obtener con cualquier otro telescopio en este cometa. Esta resolución es muy importante para ver los detalles muy cerca del núcleo. Nos permite ver cambios en el polvo justo después de que se extrae del núcleo debido al calor solar, mostrando el polvo lo más cerca posible de las propiedades originales del cometa. “

Mientras que la NASA la imagen de Hubble captura parte de la vasta nube de gas y polvo que rodea el núcleo del cometa, que en esta foto tiene aproximadamente 11.000 millas (18.000 kilómetros) de ancho. Emergen del núcleo como conos de polvo y gas, y luego se curvan en estructuras más grandes en forma de abanico al girar el núcleo. Los chorros son el resultado de la sublimación del hielo debajo de la superficie y el polvo / gas resultante se expulsa a alta velocidad.

El cometa NEOWISE Se considera el cometa más brillante visible en el hemisferio norte desde Hale-Bopp en 1997. Se dirige más allá del sistema solar exterior, y ahora viaja a una velocidad impresionante de 144.000 millas por hora. No volverá al Sol durante casi 7.000 años.

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